League pitching register -- American League
Regular season -- as of 9/26/2020
| Primary |
| Name | Team | P | Age | ERA | W | L | S | G | GS | CG | SHO | INN | H | R | ER | BB | K | HR | GDP |
| Jason Adam | Tor | mr | 28 | 7.94 | 1 | 0 | 0 | 4 | 0 | 0 | 0 | 5.2 | 3 | 5 | 5 | 4 | 5 | 0 | 0 |
| Austin L Adams | LAA | mr | 29 | 3.40 | 5 | 1 | 3 | 35 | 2 | 0 | 0 | 39.2 | 29 | 16 | 15 | 26 | 62 | 3 | 1 |
| Dario Agrazal | KC | sp | 25 | 4.20 | 2 | 9 | 0 | 15 | 15 | 1 | 0 | 105.0 | 102 | 54 | 49 | 28 | 52 | 21 | 7 |
| Matt Albers |   | mr | 37 | 3.42 | 4 | 3 | 3 | 40 | 0 | 0 | 0 | 50.0 | 51 | 25 | 19 | 13 | 42 | 7 | 6 |
| Kolby Allard* | Min | sp | 22 | 6.02 | 3 | 4 | 0 | 8 | 8 | 0 | 0 | 40.1 | 44 | 27 | 27 | 18 | 26 | 5 | 5 |
| Dan Altavilla | Tex | mr | 27 | 5.00 | 0 | 1 | 1 | 20 | 0 | 0 | 0 | 18.0 | 16 | 14 | 10 | 17 | 19 | 1 | 2 |
| Brett Anderson* | TB | sp | 32 | 4.58 | 8 | 6 | 0 | 29 | 29 | 0 | 0 | 167.0 | 194 | 91 | 85 | 64 | 88 | 18 | 22 |
| Chase Anderson | TB | sp | 32 | 3.85 | 7 | 5 | 0 | 26 | 16 | 0 | 0 | 124.0 | 118 | 57 | 53 | 44 | 106 | 18 | 7 |
| Justin Anderson | TB | mr | 27 | 4.01 | 2 | 1 | 0 | 35 | 1 | 0 | 0 | 51.2 | 39 | 27 | 23 | 34 | 58 | 4 | 2 |
| Tanner Anderson | Cle | sp | 27 | 4.99 | 1 | 3 | 0 | 5 | 5 | 0 | 0 | 30.2 | 40 | 18 | 17 | 5 | 25 | 5 | 2 |
| Tyler Anderson* | Oak | sp | 30 | 12.71 | 0 | 1 | 0 | 3 | 3 | 0 | 0 | 11.1 | 18 | 16 | 16 | 6 | 9 | 8 | 0 |
| Rogelio Armenteros | Oak | cl | 26 | 2.70 | 3 | 0 | 0 | 9 | 2 | 0 | 0 | 23.1 | 21 | 7 | 7 | 5 | 30 | 2 | 1 |
| Shawn Armstrong | Hou | mr | 29 | 6.98 | 0 | 3 | 2 | 38 | 0 | 0 | 0 | 58.0 | 78 | 45 | 45 | 36 | 40 | 10 | 6 |
| Jake Arrieta | KC | sp | 34 | 3.84 | 8 | 7 | 0 | 24 | 24 | 2 | 0 | 152.1 | 157 | 67 | 65 | 48 | 114 | 24 | 14 |
| Luis Avilan* | TB | mr | 30 | 2.79 | 3 | 3 | 4 | 40 | 0 | 0 | 0 | 38.2 | 31 | 13 | 12 | 18 | 35 | 4 | 9 |
| Luke Bard | Oak | mr | 29 | 4.92 | 3 | 5 | 0 | 35 | 3 | 0 | 0 | 60.1 | 65 | 34 | 33 | 26 | 40 | 10 | 13 |
| Scott Barlow | Min | mr | 27 | 4.15 | 1 | 1 | 3 | 35 | 0 | 0 | 0 | 52.0 | 47 | 30 | 24 | 24 | 66 | 7 | 3 |
| Matt Barnes |   | mr | 30 | 3.82 | 2 | 2 | 1 | 56 | 0 | 0 | 0 | 70.2 | 64 | 31 | 30 | 32 | 113 | 6 | 8 |
| Trevor Bauer | Det | sp | 29 | 4.45 | 16 | 7 | 0 | 35 | 35 | 3 | 2 | 202.1 | 190 | 103 | 100 | 95 | 252 | 27 | 11 |
| Gerson Bautista | Tex | mr | 25 | 15.00 | 0 | 1 | 0 | 6 | 0 | 0 | 0 | 9.0 | 23 | 15 | 15 | 5 | 14 | 4 | 0 |
| Jalen Beeks* | Bos | mr | 26 | 4.42 | 5 | 3 | 3 | 38 | 2 | 0 | 0 | 91.2 | 98 | 46 | 45 | 33 | 76 | 8 | 7 |
| Dellin Betances | Oak | mr | 32 | 3.86 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 2.1 | 4 | 1 | 1 | 1 | 0 | 0 | 1 |
| Richard Bleier* | TB | mr | 33 | 3.08 | 4 | 2 | 2 | 53 | 0 | 0 | 0 | 73.0 | 70 | 30 | 25 | 24 | 48 | 3 | 11 |
| Jerry Blevins* | Sea | mr | 36 | 4.97 | 1 | 3 | 1 | 49 | 0 | 0 | 0 | 41.2 | 31 | 24 | 23 | 26 | 33 | 7 | 2 |
| Ronald Bolanos | Bos | sp | 23 | 2.18 | 1 | 0 | 0 | 4 | 4 | 0 | 0 | 20.2 | 16 | 6 | 5 | 13 | 20 | 3 | 0 |
| Ryan Borucki* | Min | sp | 26 | 12.60 | 0 | 1 | 0 | 2 | 2 | 0 | 0 | 5.0 | 13 | 7 | 7 | 6 | 4 | 1 | 0 |
| Matt Bowman | Hou | mr | 29 | 1.59 | 1 | 1 | 2 | 16 | 0 | 0 | 0 | 22.2 | 15 | 6 | 4 | 5 | 21 | 1 | 0 |
| Brad Boxberger | TB | mr | 32 | 7.27 | 0 | 1 | 0 | 11 | 0 | 0 | 0 | 17.1 | 20 | 15 | 14 | 9 | 14 | 2 | 0 |
| Matt Boyd* | LAA | sp | 29 | 5.34 | 12 | 12 | 0 | 33 | 33 | 1 | 0 | 187.0 | 202 | 122 | 111 | 50 | 220 | 42 | 9 |
| Brad Brach | ChW | mr | 34 | 1.77 | 4 | 1 | 0 | 33 | 0 | 0 | 0 | 35.2 | 24 | 8 | 7 | 16 | 36 | 1 | 7 |
| Brandon Brennan | Det | mr | 28 | 8.31 | 0 | 4 | 1 | 35 | 0 | 0 | 0 | 43.1 | 55 | 42 | 40 | 22 | 42 | 10 | 8 |
| Colten Brewer | Tex | mr | 27 | 8.04 | 2 | 6 | 1 | 58 | 0 | 0 | 0 | 59.1 | 74 | 59 | 53 | 62 | 66 | 11 | 6 |
| Zack Britton* | Oak | mr | 32 | 1.48 | 2 | 6 | 43 | 70 | 0 | 0 | 0 | 79.0 | 48 | 17 | 13 | 33 | 70 | 5 | 21 |
| Ryan Buchter* | NYY | mr | 33 | 6.00 | 0 | 3 | 0 | 28 | 0 | 0 | 0 | 24.0 | 28 | 16 | 16 | 23 | 32 | 5 | 2 |
| Madison Bumgarner* | LAA | sp | 30 | 4.77 | 15 | 9 | 0 | 35 | 35 | 0 | 0 | 220.2 | 213 | 125 | 117 | 60 | 199 | 37 | 19 |
| Dylan Bundy | NYY | sp | 27 | 4.21 | 9 | 9 | 0 | 32 | 32 | 1 | 1 | 194.1 | 178 | 95 | 91 | 70 | 197 | 24 | 24 |
| Corbin Burnes | NYY | mr | 25 | 7.91 | 1 | 2 | 0 | 4 | 4 | 0 | 0 | 19.1 | 28 | 21 | 17 | 12 | 23 | 10 | 1 |
| Genesis Cabrera* | Oak | mr | 23 | 4.50 | 2 | 0 | 0 | 12 | 2 | 0 | 0 | 20.0 | 19 | 10 | 10 | 12 | 13 | 2 | 3 |
| Trevor Cahill | Bal | mr | 32 | 8.06 | 3 | 11 | 0 | 26 | 23 | 0 | 0 | 108.1 | 135 | 101 | 97 | 53 | 88 | 34 | 9 |
| Griffin Canning | TB | sp | 24 | 6.68 | 4 | 9 | 0 | 19 | 19 | 0 | 0 | 95.2 | 107 | 74 | 71 | 66 | 95 | 16 | 2 |
| Ryan Carpenter* | Cle | sp | 29 | 8.59 | 1 | 5 | 0 | 11 | 10 | 0 | 0 | 51.1 | 79 | 54 | 49 | 19 | 23 | 19 | 4 |
| Andrew Cashner | Cle | sp | 33 | 4.81 | 6 | 16 | 0 | 26 | 26 | 3 | 0 | 155.1 | 151 | 89 | 83 | 79 | 81 | 18 | 16 |
| Miguel Castro | Sea | mr | 25 | 4.16 | 5 | 5 | 2 | 58 | 0 | 0 | 0 | 80.0 | 70 | 45 | 37 | 45 | 74 | 7 | 6 |
| Jhoulys Chacin | KC | sp | 32 | 6.16 | 5 | 14 | 0 | 23 | 23 | 2 | 0 | 133.0 | 165 | 105 | 91 | 75 | 114 | 25 | 9 |
| Andrew Chafin* | LAA | mr | 30 | 3.65 | 1 | 4 | 2 | 45 | 0 | 0 | 0 | 44.1 | 44 | 23 | 18 | 16 | 61 | 5 | 3 |
| Aroldis Chapman* | Tor | cl | 32 | 3.92 | 5 | 2 | 8 | 19 | 0 | 0 | 0 | 20.2 | 17 | 10 | 9 | 11 | 32 | 1 | 3 |
| Tyler Chatwood | NYY | mr | 30 | 4.34 | 1 | 4 | 1 | 28 | 0 | 0 | 0 | 47.2 | 37 | 26 | 23 | 30 | 44 | 9 | 9 |
| Yonny Chirinos | Det | sp | 26 | 3.88 | 14 | 4 | 0 | 24 | 23 | 0 | 0 | 153.0 | 134 | 69 | 66 | 30 | 132 | 26 | 15 |
| Steve Cishek | Bos | mr | 34 | 3.14 | 5 | 4 | 5 | 61 | 0 | 0 | 0 | 66.0 | 45 | 26 | 23 | 43 | 60 | 8 | 10 |
| Aaron Civale | Cle | sp | 25 | 2.92 | 3 | 5 | 0 | 13 | 13 | 0 | 0 | 80.0 | 69 | 33 | 26 | 21 | 74 | 2 | 8 |
| Taylor Clarke | Tor | sp | 27 | 7.84 | 3 | 5 | 0 | 15 | 15 | 1 | 0 | 72.1 | 97 | 68 | 63 | 29 | 53 | 16 | 3 |
| Alex Claudio* | Tex | mr | 28 | 3.68 | 3 | 2 | 8 | 66 | 0 | 0 | 0 | 73.1 | 71 | 30 | 30 | 34 | 44 | 7 | 12 |
| Tyler Clippard | Oak | mr | 35 | 4.04 | 8 | 8 | 4 | 57 | 3 | 0 | 0 | 75.2 | 55 | 35 | 34 | 26 | 82 | 12 | 2 |
| Alex Cobb | Bal | sp | 32 | 8.31 | 0 | 2 | 0 | 5 | 4 | 0 | 0 | 21.2 | 27 | 20 | 20 | 6 | 13 | 13 | 0 |
| Alex Colome | Min | cl | 31 | 3.01 | 5 | 3 | 6 | 54 | 0 | 0 | 0 | 83.2 | 47 | 29 | 28 | 31 | 79 | 10 | 5 |
| Dylan Covey | LAA | sp | 28 | 6.30 | 0 | 1 | 0 | 3 | 3 | 0 | 0 | 10.0 | 15 | 7 | 7 | 8 | 6 | 1 | 0 |
| Kyle Crick | Bal | mr | 27 | 7.36 | 0 | 9 | 3 | 57 | 0 | 0 | 0 | 62.1 | 68 | 53 | 51 | 44 | 60 | 23 | 6 |
| Johnny Cueto | Oak | sp | 34 | 4.84 | 1 | 1 | 0 | 5 | 5 | 0 | 0 | 22.1 | 24 | 13 | 12 | 9 | 14 | 7 | 4 |
| Yu Darvish | LAA | sp | 33 | 4.53 | 12 | 8 | 0 | 33 | 33 | 0 | 0 | 192.2 | 160 | 103 | 97 | 61 | 221 | 38 | 10 |
| Austin Davis* | Tex | mr | 27 | 7.92 | 0 | 1 | 0 | 19 | 0 | 0 | 0 | 25.0 | 25 | 22 | 22 | 21 | 31 | 10 | 3 |
| Jose De Leon | Bal | mr | 27 | 14.54 | 0 | 0 | 1 | 8 | 0 | 0 | 0 | 8.2 | 17 | 14 | 14 | 10 | 9 | 1 | 0 |
| Anthony DeSclafani | Min | sp | 30 | 4.74 | 15 | 13 | 0 | 32 | 32 | 0 | 0 | 199.1 | 185 | 107 | 105 | 55 | 210 | 36 | 5 |
| Chris Devenski | KC | mr | 29 | 6.35 | 2 | 3 | 1 | 24 | 0 | 0 | 0 | 34.0 | 40 | 27 | 24 | 11 | 37 | 9 | 1 |
| Edwin Diaz | NYY | cl | 26 | 4.46 | 3 | 1 | 0 | 33 | 0 | 0 | 0 | 42.1 | 39 | 21 | 21 | 8 | 61 | 13 | 2 |
| Jake Diekman* | TB | mr | 33 | 3.73 | 4 | 3 | 3 | 56 | 0 | 0 | 0 | 60.1 | 47 | 25 | 25 | 40 | 76 | 4 | 5 |
| Randy Dobnak | Oak | sp | 25 | 2.76 | 5 | 1 | 0 | 14 | 5 | 0 | 0 | 58.2 | 53 | 24 | 18 | 8 | 50 | 6 | 4 |
| Sean Doolittle* | Cle | cl | 33 | 5.37 | 0 | 3 | 1 | 54 | 0 | 0 | 0 | 60.1 | 79 | 39 | 36 | 19 | 70 | 11 | 2 |
| Oliver Drake | LAA | mr | 33 | 4.03 | 6 | 2 | 0 | 38 | 0 | 0 | 0 | 51.1 | 41 | 24 | 23 | 19 | 60 | 9 | 3 |
| Tyler Duffey | TB | mr | 29 | 2.50 | 7 | 4 | 17 | 63 | 0 | 0 | 0 | 82.2 | 63 | 27 | 23 | 33 | 123 | 8 | 3 |
| Danny Duffy* | NYY | sp | 31 | 4.30 | 15 | 9 | 0 | 28 | 28 | 3 | 2 | 184.1 | 161 | 91 | 88 | 64 | 158 | 31 | 30 |
| Robert Dugger | KC | sp | 24 | 4.68 | 2 | 3 | 0 | 7 | 7 | 1 | 0 | 42.1 | 33 | 22 | 22 | 20 | 22 | 5 | 7 |
| Justin Dunn | Hou | sp | 24 | 4.61 | 0 | 0 | 0 | 3 | 3 | 0 | 0 | 13.2 | 12 | 7 | 7 | 9 | 11 | 5 | 4 |
| Jon Duplantier | Sea | mr | 25 | 9.74 | 0 | 3 | 0 | 5 | 5 | 0 | 0 | 20.1 | 35 | 22 | 22 | 12 | 24 | 0 | 3 |
| Sam Dyson | Min | mr | 32 | 2.62 | 5 | 4 | 2 | 40 | 0 | 0 | 0 | 65.1 | 51 | 20 | 19 | 11 | 68 | 6 | 6 |
| Carl Edwards | Bal | mr | 28 | 3.45 | 0 | 2 | 1 | 27 | 0 | 0 | 0 | 31.1 | 17 | 13 | 12 | 23 | 34 | 7 | 0 |
| Nathan Eovaldi | Tex | sp | 30 | 7.18 | 2 | 8 | 0 | 14 | 14 | 0 | 0 | 57.2 | 77 | 55 | 46 | 39 | 55 | 14 | 11 |
| Carlos Estevez | NYY | mr | 27 | 3.74 | 3 | 2 | 0 | 44 | 0 | 0 | 0 | 67.1 | 64 | 33 | 28 | 22 | 76 | 12 | 3 |
| Marco Estrada | Det | sp | 36 | 8.22 | 0 | 2 | 0 | 4 | 4 | 0 | 0 | 7.2 | 11 | 7 | 7 | 3 | 5 | 2 | 0 |
| Peter Fairbanks | Det | mr | 26 | 0.00 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 1.2 | 0 | 0 | 0 | 0 | 1 | 0 | 0 |
| Buck Farmer | Min | mr | 29 | 3.09 | 3 | 1 | 1 | 24 | 0 | 0 | 0 | 35.0 | 30 | 15 | 12 | 12 | 36 | 5 | 9 |
| Erick Fedde | Sea | sp | 27 | 4.23 | 7 | 7 | 0 | 18 | 18 | 0 | 0 | 110.2 | 112 | 57 | 52 | 47 | 54 | 13 | 23 |
| Michael Feliz | Cle | mr | 27 | 4.80 | 3 | 4 | 6 | 60 | 0 | 0 | 0 | 69.1 | 59 | 42 | 37 | 43 | 84 | 17 | 9 |
| Matt Festa | Min | mr | 27 | 4.91 | 0 | 0 | 0 | 16 | 0 | 0 | 0 | 25.2 | 18 | 16 | 14 | 16 | 29 | 0 | 1 |
| Jack Flaherty | Det | sp | 24 | 3.28 | 23 | 4 | 0 | 34 | 34 | 0 | 0 | 219.2 | 193 | 85 | 80 | 63 | 234 | 32 | 22 |
| Dylan Floro | Min | mr | 29 | 2.03 | 0 | 2 | 1 | 26 | 0 | 0 | 0 | 48.2 | 36 | 14 | 11 | 12 | 38 | 3 | 4 |
| Kyle Freeland* | ChW | sp | 27 | 5.57 | 3 | 5 | 0 | 14 | 14 | 0 | 0 | 76.0 | 87 | 52 | 47 | 20 | 47 | 20 | 10 |
| Max Fried* | Oak | sp | 26 | 5.05 | 14 | 14 | 0 | 39 | 29 | 1 | 1 | 187.0 | 213 | 116 | 105 | 53 | 184 | 38 | 18 |
| Jace Fry* | Cle | mr | 26 | 4.85 | 2 | 4 | 1 | 48 | 0 | 0 | 0 | 42.2 | 23 | 25 | 23 | 33 | 58 | 3 | 6 |
| Paul Fry* | Oak | mr | 27 | 3.47 | 5 | 1 | 2 | 54 | 0 | 0 | 0 | 57.0 | 40 | 22 | 22 | 24 | 60 | 9 | 10 |
| Giovanny Gallegos | Hou | mr | 28 | 3.25 | 3 | 5 | 10 | 58 | 0 | 0 | 0 | 80.1 | 59 | 36 | 29 | 18 | 105 | 18 | 2 |
| Jarlin Garcia* | LAA | mr | 27 | 2.23 | 2 | 2 | 3 | 52 | 0 | 0 | 0 | 76.2 | 43 | 19 | 19 | 27 | 50 | 6 | 4 |
| Luis Garcia | KC | mr | 33 | 5.34 | 1 | 5 | 3 | 40 | 0 | 0 | 0 | 55.2 | 49 | 38 | 33 | 35 | 43 | 11 | 8 |
| Yimi Garcia | KC | mr | 29 | 4.34 | 3 | 1 | 8 | 34 | 0 | 0 | 0 | 47.2 | 36 | 24 | 23 | 13 | 57 | 11 | 0 |
| Cory Gearrin | Oak | mr | 34 | 3.47 | 0 | 1 | 0 | 37 | 2 | 0 | 0 | 23.1 | 21 | 9 | 9 | 19 | 17 | 1 | 1 |
| Kyle Gibson | Oak | sp | 32 | 5.84 | 7 | 14 | 1 | 33 | 25 | 0 | 0 | 155.2 | 174 | 110 | 101 | 56 | 160 | 32 | 18 |
| Ken Giles | ChW | cl | 29 | 2.83 | 2 | 4 | 39 | 57 | 0 | 0 | 0 | 70.0 | 46 | 22 | 22 | 16 | 103 | 7 | 4 |
| Tyler Glasnow | Sea | sp | 26 | 3.53 | 5 | 4 | 0 | 15 | 15 | 0 | 0 | 91.2 | 71 | 38 | 36 | 19 | 104 | 10 | 6 |
| Zack Godley | Bos | mr | 30 | 6.90 | 5 | 7 | 0 | 20 | 20 | 0 | 0 | 88.2 | 107 | 70 | 68 | 32 | 61 | 18 | 7 |
| Gio Gonzalez* | ChW | sp | 34 | 4.38 | 6 | 5 | 0 | 20 | 20 | 0 | 0 | 111.0 | 105 | 56 | 54 | 49 | 90 | 10 | 14 |
| Nick Goody | TB | mr | 28 | 7.57 | 0 | 0 | 1 | 33 | 0 | 0 | 0 | 27.1 | 30 | 23 | 23 | 15 | 35 | 10 | 0 |
| Jon Gray | Hou | sp | 28 | 4.01 | 11 | 9 | 0 | 28 | 28 | 0 | 0 | 168.1 | 174 | 78 | 75 | 67 | 150 | 24 | 19 |
| Chad Green | Oak | mr | 29 | 5.29 | 3 | 2 | 0 | 57 | 11 | 0 | 0 | 95.1 | 91 | 62 | 56 | 41 | 122 | 22 | 4 |
| Robert Gsellman | Oak | mr | 26 | 3.30 | 3 | 2 | 2 | 49 | 0 | 0 | 0 | 73.2 | 60 | 27 | 27 | 19 | 69 | 6 | 6 |
| Javy A Guerra | Tex | mr | 24 | 4.72 | 2 | 0 | 1 | 9 | 0 | 0 | 0 | 13.1 | 12 | 7 | 7 | 6 | 10 | 3 | 2 |
| Javy L Guerra | Det | mr | 34 | 5.03 | 5 | 3 | 2 | 50 | 0 | 0 | 0 | 93.0 | 110 | 59 | 52 | 27 | 78 | 15 | 6 |
| Junior Guerra | Hou | mr | 35 | 2.54 | 7 | 3 | 4 | 65 | 0 | 0 | 0 | 95.2 | 67 | 27 | 27 | 36 | 92 | 9 | 4 |
| Tayron Guerrero | Sea | mr | 29 | 9.05 | 0 | 1 | 1 | 44 | 0 | 0 | 0 | 54.2 | 60 | 56 | 55 | 55 | 57 | 14 | 4 |
| David Hale | Oak | mr | 32 | 2.66 | 2 | 3 | 0 | 20 | 0 | 0 | 0 | 47.1 | 42 | 19 | 14 | 11 | 33 | 2 | 3 |
| Matt Hall* | Bal | mr | 26 | 9.90 | 0 | 4 | 2 | 21 | 0 | 0 | 0 | 40.0 | 44 | 45 | 44 | 32 | 51 | 10 | 1 |
| Cole Hamels* | Hou | sp | 36 | 4.55 | 8 | 9 | 0 | 29 | 29 | 0 | 0 | 160.1 | 171 | 91 | 81 | 70 | 132 | 22 | 16 |
| Brad Hand* | Hou | cl | 30 | 3.43 | 5 | 8 | 24 | 52 | 0 | 0 | 0 | 63.0 | 61 | 24 | 24 | 23 | 72 | 9 | 3 |
| Will Harris | Det | mr | 35 | 4.68 | 3 | 4 | 8 | 64 | 0 | 0 | 0 | 75.0 | 63 | 40 | 39 | 36 | 79 | 8 | 11 |
| Matt Harvey | Sea | sp | 31 | 8.41 | 4 | 9 | 0 | 15 | 15 | 0 | 0 | 70.2 | 89 | 67 | 66 | 48 | 45 | 17 | 5 |
| Jeremy Hellickson | Bos | sp | 33 | 4.22 | 6 | 1 | 0 | 9 | 9 | 0 | 0 | 53.1 | 56 | 27 | 25 | 17 | 45 | 8 | 6 |
| Heath Hembree | Cle | mr | 31 | 6.11 | 1 | 3 | 2 | 49 | 0 | 0 | 0 | 56.0 | 57 | 40 | 38 | 23 | 67 | 19 | 1 |
| Liam Hendriks | Bal | cl | 31 | 3.49 | 6 | 3 | 15 | 69 | 1 | 0 | 0 | 105.2 | 109 | 43 | 41 | 29 | 138 | 12 | 8 |
| David Hernandez | Min | mr | 35 | 4.14 | 4 | 0 | 0 | 42 | 0 | 0 | 0 | 67.1 | 72 | 34 | 31 | 29 | 90 | 6 | 6 |
| Felix Hernandez | Cle | sp | 34 | 6.48 | 4 | 9 | 0 | 16 | 16 | 0 | 0 | 84.2 | 113 | 67 | 61 | 40 | 63 | 19 | 17 |
| Jonathan Hernandez | Tex | mr | 23 | 5.60 | 0 | 1 | 0 | 4 | 4 | 0 | 0 | 17.2 | 15 | 11 | 11 | 20 | 13 | 3 | 4 |
| David Hess | Min | sp | 26 | 10.49 | 1 | 4 | 0 | 8 | 8 | 0 | 0 | 34.1 | 60 | 47 | 40 | 17 | 27 | 18 | 1 |
| Jordan Hicks | ChW | cl | 23 | 0.63 | 4 | 1 | 8 | 27 | 0 | 0 | 0 | 28.2 | 15 | 2 | 2 | 8 | 30 | 0 | 5 |
| Rich Hill* | Hou | sp | 40 | 6.38 | 5 | 7 | 0 | 16 | 16 | 0 | 0 | 84.2 | 92 | 65 | 60 | 19 | 117 | 24 | 8 |
| Jeff Hoffman | Hou | sp | 27 | 5.46 | 6 | 8 | 0 | 16 | 16 | 0 | 0 | 87.1 | 85 | 53 | 53 | 38 | 72 | 24 | 7 |
| Jonathan Holder | Det | mr | 27 | 4.62 | 2 | 2 | 1 | 16 | 1 | 0 | 0 | 25.1 | 26 | 14 | 13 | 3 | 26 | 6 | 0 |
| Greg Holland | TB | cl | 34 | 4.67 | 4 | 3 | 3 | 36 | 0 | 0 | 0 | 44.1 | 40 | 23 | 23 | 32 | 49 | 8 | 4 |
| Clay Holmes | Hou | mr | 27 | 4.80 | 0 | 1 | 0 | 28 | 0 | 0 | 0 | 54.1 | 43 | 29 | 29 | 36 | 57 | 5 | 1 |
| James Hoyt | ChW | mr | 33 | 3.86 | 1 | 0 | 0 | 10 | 0 | 0 | 0 | 7.0 | 8 | 3 | 3 | 2 | 4 | 1 | 0 |
| Dakota Hudson | NYY | sp | 25 | 4.57 | 14 | 11 | 0 | 29 | 29 | 0 | 0 | 171.1 | 155 | 92 | 87 | 79 | 133 | 34 | 17 |
| Danny Hultzen* | Bal | mr | 30 | 4.40 | 1 | 0 | 0 | 10 | 0 | 0 | 0 | 14.1 | 12 | 7 | 7 | 11 | 14 | 1 | 2 |
| Tommy Hunter | Bal | mr | 33 | 3.97 | 1 | 0 | 0 | 9 | 0 | 0 | 0 | 11.1 | 7 | 5 | 5 | 2 | 5 | 2 | 4 |
| Cole Irvin* | Det | mr | 26 | 5.44 | 2 | 1 | 1 | 15 | 4 | 0 | 0 | 41.1 | 45 | 29 | 25 | 13 | 31 | 4 | 4 |
| Kenley Jansen | NYY | cl | 32 | 3.86 | 3 | 5 | 4 | 56 | 0 | 0 | 0 | 67.2 | 64 | 36 | 29 | 25 | 91 | 11 | 2 |
| Dan Jennings* | KC | mr | 33 | 15.00 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 3.0 | 7 | 5 | 5 | 2 | 1 | 1 | 0 |
| D.J. Johnson | Min | mr | 30 | 4.34 | 1 | 0 | 1 | 13 | 0 | 0 | 0 | 18.2 | 16 | 10 | 9 | 17 | 18 | 2 | 2 |
| Jake Junis | Tex | sp | 27 | 4.86 | 11 | 14 | 0 | 32 | 32 | 0 | 0 | 181.1 | 189 | 106 | 98 | 70 | 162 | 40 | 20 |
| Ariel Jurado | Tex | sp | 24 | 5.82 | 4 | 8 | 0 | 22 | 21 | 0 | 0 | 120.2 | 146 | 83 | 78 | 52 | 90 | 22 | 15 |
| Tommy Kahnle | Sea | mr | 30 | 4.90 | 4 | 7 | 21 | 59 | 0 | 0 | 0 | 64.1 | 59 | 37 | 35 | 30 | 90 | 12 | 7 |
| Anthony Kay* | Det | sp | 25 | 6.48 | 2 | 1 | 0 | 4 | 3 | 0 | 0 | 16.2 | 19 | 12 | 12 | 5 | 12 | 2 | 3 |
| Keone Kela | TB | mr | 27 | 4.36 | 2 | 5 | 13 | 31 | 0 | 0 | 0 | 33.0 | 26 | 19 | 16 | 14 | 30 | 4 | 2 |
| Brad Keller | Cle | sp | 24 | 4.48 | 4 | 16 | 0 | 30 | 30 | 2 | 0 | 188.2 | 181 | 103 | 94 | 69 | 122 | 24 | 27 |
| Mitch Keller | ChW | sp | 24 | 15.00 | 0 | 1 | 0 | 1 | 1 | 0 | 0 | 3.0 | 7 | 6 | 5 | 3 | 2 | 0 | 1 |
| Shawn Kelley | KC | mr | 36 | 1.99 | 5 | 2 | 10 | 29 | 0 | 0 | 0 | 31.2 | 33 | 13 | 7 | 11 | 25 | 2 | 6 |
| Ian Kennedy | Cle | cl | 35 | 5.33 | 1 | 3 | 11 | 24 | 0 | 0 | 0 | 25.1 | 35 | 16 | 15 | 2 | 35 | 2 | 1 |
| Tyler Kinley | Tex | mr | 29 | 5.46 | 3 | 8 | 10 | 59 | 0 | 0 | 0 | 64.1 | 77 | 47 | 39 | 35 | 51 | 13 | 6 |
| Brandon Kintzler | Tor | mr | 35 | 2.78 | 5 | 2 | 5 | 60 | 0 | 0 | 0 | 106.2 | 77 | 34 | 33 | 19 | 65 | 9 | 19 |
| Adam Kolarek* | Bos | mr | 31 | 4.82 | 2 | 3 | 2 | 69 | 0 | 0 | 0 | 46.2 | 36 | 26 | 25 | 10 | 39 | 9 | 2 |
| Travis Lakins | Tex | mr | 26 | 4.96 | 1 | 2 | 0 | 11 | 2 | 0 | 0 | 16.1 | 16 | 9 | 9 | 8 | 11 | 3 | 0 |
| Peter Lambert | KC | sp | 23 | 6.71 | 6 | 10 | 0 | 20 | 20 | 2 | 0 | 119.1 | 164 | 90 | 89 | 38 | 84 | 16 | 9 |
| Dinelson Lamet | KC | sp | 27 | 3.74 | 6 | 4 | 0 | 14 | 14 | 0 | 0 | 77.0 | 69 | 36 | 32 | 29 | 110 | 12 | 3 |
| Mike Leake | Tex | sp | 32 | 6.67 | 5 | 17 | 0 | 32 | 32 | 3 | 0 | 167.1 | 216 | 139 | 124 | 42 | 100 | 44 | 17 |
| Wade LeBlanc* | Sea | mr | 35 | 4.11 | 5 | 5 | 0 | 15 | 15 | 0 | 0 | 85.1 | 94 | 44 | 39 | 23 | 60 | 10 | 13 |
| Zack Littell | Sea | mr | 24 | 5.72 | 1 | 0 | 2 | 31 | 0 | 0 | 0 | 39.1 | 42 | 25 | 25 | 20 | 29 | 7 | 6 |
| Jonathan Loaisiga | Tor | mr | 25 | 10.45 | 0 | 2 | 0 | 3 | 3 | 0 | 0 | 10.1 | 18 | 12 | 12 | 7 | 11 | 1 | 4 |
| Jorge Lopez | Bal | mr | 27 | 5.40 | 10 | 10 | 0 | 28 | 28 | 1 | 1 | 151.2 | 164 | 94 | 91 | 54 | 134 | 33 | 16 |
| Reynaldo Lopez | Bal | sp | 26 | 6.24 | 9 | 18 | 0 | 34 | 34 | 0 | 0 | 181.2 | 198 | 133 | 126 | 77 | 158 | 42 | 12 |
| Yoan Lopez | ChW | mr | 27 | 3.21 | 3 | 3 | 1 | 46 | 0 | 0 | 0 | 53.1 | 52 | 24 | 19 | 17 | 40 | 12 | 4 |
| Michael Lorenzen | Tor | mr | 28 | 2.49 | 6 | 0 | 4 | 40 | 0 | 0 | 0 | 61.1 | 56 | 22 | 17 | 16 | 55 | 7 | 1 |
| Elvis Luciano | Bal | mr | 20 | 7.83 | 0 | 2 | 0 | 30 | 0 | 0 | 0 | 43.2 | 56 | 44 | 38 | 49 | 39 | 4 | 2 |
| Lance Lynn | NYY | sp | 33 | 2.96 | 16 | 5 | 0 | 32 | 32 | 4 | 3 | 228.1 | 183 | 81 | 75 | 60 | 262 | 19 | 12 |
| Matt Magill | LAA | mr | 30 | 5.28 | 0 | 2 | 0 | 13 | 0 | 0 | 0 | 15.1 | 15 | 9 | 9 | 3 | 16 | 3 | 0 |
| Tyler Mahle | Min | sp | 25 | 5.97 | 7 | 12 | 0 | 27 | 27 | 0 | 0 | 143.1 | 156 | 102 | 95 | 56 | 138 | 29 | 11 |
| Nick Margevicius* | Sea | sp | 24 | 7.39 | 0 | 8 | 0 | 17 | 16 | 0 | 0 | 80.1 | 118 | 74 | 66 | 26 | 53 | 23 | 7 |
| German Marquez | Det | sp | 25 | 3.06 | 19 | 3 | 0 | 31 | 31 | 3 | 1 | 208.2 | 183 | 81 | 71 | 48 | 187 | 26 | 18 |
| Chris Martin | Cle | mr | 34 | 2.11 | 4 | 5 | 3 | 59 | 0 | 0 | 0 | 76.2 | 60 | 19 | 18 | 12 | 84 | 9 | 7 |
| Carlos Martinez | Det | cl | 28 | 3.52 | 2 | 5 | 28 | 49 | 0 | 0 | 0 | 53.2 | 52 | 23 | 21 | 29 | 57 | 6 | 7 |
| Phil Maton | Tex | mr | 27 | 4.75 | 2 | 0 | 2 | 31 | 0 | 0 | 0 | 53.0 | 60 | 29 | 28 | 15 | 53 | 11 | 2 |
| Steven Matz* | Oak | sp | 29 | 4.64 | 5 | 7 | 0 | 33 | 33 | 1 | 0 | 184.1 | 195 | 101 | 95 | 59 | 186 | 32 | 18 |
| Dustin May | NYY | mr | 22 | 3.51 | 1 | 1 | 0 | 4 | 4 | 0 | 0 | 25.2 | 26 | 12 | 10 | 3 | 22 | 1 | 1 |
| Tim Mayza* | Tor | mr | 28 | 3.27 | 0 | 0 | 1 | 16 | 0 | 0 | 0 | 22.0 | 18 | 8 | 8 | 7 | 17 | 3 | 0 |
| Jake McGee* | KC | mr | 33 | 5.66 | 6 | 4 | 4 | 34 | 0 | 0 | 0 | 41.1 | 45 | 31 | 26 | 16 | 41 | 12 | 5 |
| Brendan McKay* | Cle | sp | 24 | 6.69 | 2 | 9 | 0 | 13 | 13 | 0 | 0 | 72.2 | 87 | 61 | 54 | 21 | 78 | 20 | 2 |
| David McKay | KC | mr | 25 | 4.50 | 0 | 2 | 1 | 12 | 0 | 0 | 0 | 20.0 | 20 | 14 | 10 | 10 | 27 | 4 | 2 |
| Adalberto Mejia* | KC | mr | 27 | 5.12 | 1 | 2 | 0 | 28 | 0 | 0 | 0 | 45.2 | 45 | 26 | 26 | 26 | 42 | 4 | 3 |
| Mark Melancon | Bos | mr | 35 | 3.65 | 2 | 2 | 28 | 64 | 0 | 0 | 0 | 69.0 | 74 | 31 | 28 | 25 | 65 | 4 | 3 |
| Tim Melville | Cle | sp | 30 | 7.48 | 2 | 4 | 0 | 8 | 8 | 1 | 0 | 43.1 | 52 | 39 | 36 | 25 | 33 | 14 | 5 |
| Yohander Mendez* | Oak | mr | 25 | 9.39 | 0 | 0 | 0 | 8 | 0 | 0 | 0 | 7.2 | 8 | 8 | 8 | 4 | 7 | 2 | 0 |
| Daniel Mengden | Bos | sp | 27 | 3.67 | 6 | 4 | 0 | 16 | 12 | 0 | 0 | 88.1 | 80 | 37 | 36 | 30 | 65 | 11 | 9 |
| Wade Miley* | Tor | sp | 33 | 4.54 | 13 | 11 | 0 | 33 | 33 | 1 | 1 | 188.1 | 214 | 100 | 95 | 61 | 136 | 22 | 13 |
| Alec Mills | Bal | mr | 28 | 5.56 | 1 | 4 | 2 | 16 | 4 | 0 | 0 | 45.1 | 47 | 31 | 28 | 26 | 45 | 7 | 6 |
| Mike Minor* | Sea | sp | 32 | 4.05 | 12 | 11 | 0 | 33 | 33 | 1 | 0 | 213.1 | 205 | 105 | 96 | 82 | 212 | 23 | 23 |
| Mike Montgomery* | Bal | mr | 30 | 6.49 | 5 | 11 | 0 | 24 | 24 | 0 | 0 | 120.2 | 157 | 100 | 87 | 42 | 82 | 33 | 19 |
| Matt Moore* | TB | sp | 31 | 2.75 | 1 | 1 | 0 | 3 | 3 | 1 | 1 | 19.2 | 12 | 7 | 6 | 4 | 7 | 2 | 3 |
| Adam Morgan* | LAA | mr | 30 | 2.18 | 2 | 2 | 1 | 42 | 0 | 0 | 0 | 41.1 | 21 | 11 | 10 | 15 | 33 | 3 | 1 |
| Mike Morin | Bos | mr | 29 | 3.90 | 7 | 4 | 0 | 56 | 0 | 0 | 0 | 90.0 | 87 | 49 | 39 | 25 | 43 | 10 | 4 |
| Reyes Moronta | LAA | mr | 27 | 6.07 | 5 | 7 | 1 | 55 | 0 | 0 | 0 | 59.1 | 45 | 42 | 40 | 45 | 68 | 12 | 1 |
| Andres Munoz | TB | mr | 21 | 2.42 | 3 | 1 | 5 | 18 | 0 | 0 | 0 | 26.0 | 13 | 7 | 7 | 15 | 32 | 3 | 4 |
| Joe Musgrove | Min | sp | 27 | 3.80 | 14 | 9 | 0 | 30 | 30 | 2 | 0 | 194.1 | 194 | 85 | 82 | 45 | 171 | 24 | 6 |
| Jimmy Nelson | Bal | mr | 31 | 6.08 | 1 | 2 | 1 | 17 | 3 | 0 | 0 | 37.0 | 37 | 26 | 25 | 26 | 42 | 9 | 7 |
| Hector Neris | LAA | cl | 31 | 2.73 | 2 | 4 | 34 | 62 | 0 | 0 | 0 | 69.1 | 43 | 22 | 21 | 23 | 91 | 7 | 3 |
| Sean Newcomb* | Tor | mr | 27 | 4.44 | 7 | 1 | 1 | 47 | 3 | 0 | 0 | 103.1 | 92 | 57 | 51 | 50 | 94 | 12 | 4 |
| Hector Noesi | KC | mr | 33 | 0.00 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1.2 | 1 | 0 | 0 | 2 | 2 | 0 | 1 |
| Aaron Nola | Min | sp | 27 | 3.52 | 16 | 10 | 0 | 34 | 34 | 2 | 1 | 220.0 | 188 | 95 | 86 | 85 | 233 | 24 | 19 |
| Daniel Norris* | Tor | sp | 27 | 5.28 | 11 | 7 | 0 | 32 | 32 | 0 | 0 | 165.1 | 191 | 106 | 97 | 49 | 139 | 35 | 16 |
| James Norwood | Det | mr | 26 | 9.00 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1.0 | 2 | 1 | 1 | 2 | 1 | 0 | 1 |
| Ivan Nova | KC | sp | 33 | 6.28 | 4 | 23 | 0 | 34 | 34 | 5 | 0 | 210.2 | 303 | 166 | 147 | 67 | 129 | 38 | 36 |
| Darren O'Day | Sea | mr | 37 | 11.57 | 0 | 1 | 3 | 8 | 0 | 0 | 0 | 7.0 | 10 | 9 | 9 | 6 | 6 | 1 | 1 |
| Jake Odorizzi | ChW | sp | 30 | 3.37 | 17 | 6 | 0 | 33 | 33 | 1 | 1 | 211.0 | 164 | 84 | 79 | 84 | 210 | 32 | 14 |
| Roberto Osuna | Tor | cl | 25 | 3.00 | 6 | 6 | 23 | 55 | 0 | 0 | 0 | 84.0 | 55 | 28 | 28 | 13 | 95 | 11 | 1 |
| Chris Paddack | Tex | sp | 24 | 4.04 | 11 | 9 | 0 | 29 | 29 | 1 | 1 | 182.2 | 151 | 83 | 82 | 50 | 189 | 30 | 9 |
| Joe Palumbo* | Bos | sp | 25 | 5.40 | 0 | 0 | 0 | 4 | 3 | 0 | 0 | 3.1 | 4 | 2 | 2 | 0 | 1 | 1 | 0 |
| Thomas Pannone* |   | mr | 26 | 3.99 | 4 | 4 | 0 | 39 | 5 | 0 | 0 | 85.2 | 70 | 39 | 38 | 30 | 72 | 10 | 5 |
| Blake Parker | Det | mr | 35 | 2.97 | 2 | 2 | 3 | 58 | 1 | 0 | 0 | 75.2 | 53 | 30 | 25 | 29 | 68 | 9 | 9 |
| Wes Parsons | KC | mr | 27 | 4.78 | 0 | 1 | 2 | 29 | 0 | 0 | 0 | 43.1 | 38 | 24 | 23 | 37 | 37 | 4 | 5 |
| Brad Peacock | Det | sp | 32 | 5.20 | 8 | 6 | 0 | 22 | 20 | 0 | 0 | 98.2 | 92 | 66 | 57 | 47 | 101 | 16 | 3 |
| Freddy Peralta | ChW | mr | 24 | 4.30 | 0 | 2 | 0 | 33 | 0 | 0 | 0 | 58.2 | 52 | 31 | 28 | 27 | 79 | 13 | 1 |
| Wandy Peralta* | Tex | mr | 28 | 6.51 | 1 | 2 | 2 | 48 | 0 | 0 | 0 | 66.1 | 75 | 49 | 48 | 24 | 44 | 19 | 5 |
| Wily Peralta | KC | mr | 31 | 3.11 | 1 | 0 | 2 | 32 | 0 | 0 | 0 | 55.0 | 48 | 23 | 19 | 29 | 29 | 5 | 13 |
| Luis Perdomo | ChW | mr | 27 | 5.84 | 4 | 1 | 1 | 44 | 0 | 0 | 0 | 74.0 | 91 | 56 | 48 | 33 | 51 | 17 | 9 |
| Oliver Perez* | Oak | mr | 38 | 3.66 | 3 | 3 | 1 | 52 | 0 | 0 | 0 | 32.0 | 27 | 16 | 13 | 12 | 36 | 3 | 3 |
| Dillon Peters* | Bos | sp | 27 | 6.35 | 3 | 6 | 0 | 19 | 15 | 0 | 0 | 78.0 | 91 | 56 | 55 | 27 | 52 | 21 | 4 |
| Yusmeiro Petit | Bos | mr | 35 | 2.80 | 8 | 3 | 3 | 79 | 0 | 0 | 0 | 112.1 | 81 | 39 | 35 | 16 | 107 | 15 | 5 |
| Jake Petricka | Tex | mr | 32 | 2.92 | 1 | 0 | 1 | 10 | 0 | 0 | 0 | 12.1 | 11 | 5 | 4 | 9 | 3 | 0 | 3 |
| David Phelps | NYY | mr | 33 | 6.17 | 0 | 3 | 0 | 12 | 0 | 0 | 0 | 11.2 | 13 | 10 | 8 | 10 | 12 | 0 | 1 |
| Michael Pineda | LAA | sp | 31 | 4.06 | 11 | 7 | 0 | 28 | 28 | 0 | 0 | 179.2 | 169 | 88 | 81 | 37 | 147 | 26 | 12 |
| Adam Plutko | Bos | sp | 28 | 4.46 | 5 | 13 | 0 | 23 | 23 | 1 | 1 | 141.1 | 140 | 78 | 70 | 38 | 108 | 31 | 16 |
| Drew Pomeranz* | Bos | mr | 31 | 4.48 | 8 | 9 | 0 | 32 | 31 | 0 | 0 | 146.2 | 139 | 81 | 73 | 66 | 175 | 27 | 9 |
| Daniel Ponce de Leon | Hou | sp | 28 | 7.41 | 2 | 5 | 0 | 10 | 10 | 0 | 0 | 51.0 | 57 | 47 | 42 | 31 | 54 | 12 | 11 |
| David Price* | ChW | sp | 34 | 4.33 | 10 | 7 | 0 | 25 | 25 | 1 | 1 | 149.2 | 149 | 75 | 72 | 43 | 151 | 17 | 6 |
| Austin Pruitt | KC | mr | 30 | 5.40 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 6.2 | 9 | 4 | 4 | 2 | 2 | 0 | 0 |
| A.J. Puk* | NYY | mr | 25 | 1.50 | 1 | 0 | 0 | 5 | 0 | 0 | 0 | 6.0 | 2 | 1 | 1 | 2 | 5 | 1 | 0 |
| Cal Quantrill | ChW | sp | 25 | 4.56 | 6 | 10 | 0 | 21 | 21 | 0 | 0 | 122.1 | 133 | 63 | 62 | 30 | 114 | 27 | 4 |
| Sean Reid-Foley | Min | sp | 24 | 5.52 | 1 | 4 | 0 | 6 | 6 | 0 | 0 | 31.0 | 33 | 23 | 19 | 26 | 21 | 5 | 8 |
| Alex Reyes | ChW | mr | 25 | 0.00 | 1 | 0 | 0 | 4 | 0 | 0 | 0 | 2.0 | 1 | 1 | 0 | 2 | 0 | 0 | 1 |
| Trevor Richards | KC | sp | 27 | 4.55 | 8 | 10 | 0 | 25 | 25 | 4 | 0 | 150.1 | 154 | 90 | 76 | 54 | 124 | 23 | 10 |
| Tanner Roark | Tor | sp | 33 | 5.26 | 9 | 14 | 0 | 33 | 33 | 1 | 0 | 179.2 | 220 | 116 | 105 | 60 | 172 | 39 | 23 |
| Hansel Robles | Tor | cl | 29 | 3.29 | 6 | 4 | 1 | 54 | 0 | 0 | 0 | 82.0 | 60 | 33 | 30 | 28 | 93 | 4 | 5 |
| Richard Rodriguez | Sea | mr | 30 | 5.35 | 7 | 2 | 6 | 60 | 0 | 0 | 0 | 67.1 | 74 | 43 | 40 | 29 | 63 | 13 | 4 |
| Chaz Roe | Cle | mr | 33 | 3.36 | 1 | 2 | 3 | 59 | 0 | 0 | 0 | 64.1 | 64 | 28 | 24 | 38 | 79 | 3 | 12 |
| Fernando Romero | Det | mr | 25 | 0.00 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1.0 | 1 | 0 | 0 | 1 | 2 | 0 | 0 |
| Randy Rosario* | Tex | mr | 26 | 6.52 | 0 | 2 | 1 | 23 | 0 | 0 | 0 | 19.1 | 19 | 15 | 14 | 9 | 16 | 2 | 2 |
| Kyle Ryan* | ChW | mr | 28 | 4.35 | 7 | 3 | 1 | 68 | 0 | 0 | 0 | 62.0 | 57 | 31 | 30 | 33 | 49 | 7 | 9 |
| Max Scherzer | Oak | sp | 35 | 3.34 | 14 | 6 | 0 | 30 | 30 | 2 | 1 | 199.1 | 168 | 80 | 74 | 48 | 273 | 22 | 12 |
| Justin Shafer | KC | mr | 27 | 4.92 | 1 | 1 | 0 | 31 | 0 | 0 | 0 | 53.0 | 55 | 31 | 29 | 41 | 54 | 2 | 7 |
| Bryan Shaw | Tex | mr | 32 | 3.87 | 6 | 1 | 0 | 67 | 0 | 0 | 0 | 88.1 | 79 | 44 | 38 | 36 | 59 | 10 | 4 |
| Matt Shoemaker | Sea | sp | 33 | 2.20 | 3 | 1 | 0 | 6 | 6 | 0 | 0 | 41.0 | 21 | 10 | 10 | 16 | 45 | 5 | 5 |
| Lucas Sims | Det | mr | 26 | 4.48 | 5 | 3 | 1 | 23 | 5 | 0 | 0 | 64.1 | 52 | 33 | 32 | 27 | 81 | 12 | 4 |
| Tony Sipp* | Sea | mr | 36 | 3.62 | 2 | 3 | 2 | 41 | 0 | 0 | 0 | 37.1 | 37 | 19 | 15 | 17 | 30 | 0 | 1 |
| Tyler Skaggs* | Tex | sp | 28 | 5.84 | 0 | 4 | 0 | 5 | 5 | 0 | 0 | 24.2 | 25 | 18 | 16 | 12 | 22 | 3 | 1 |
| Burch Smith | KC | mr | 30 | 15.43 | 0 | 0 | 1 | 4 | 0 | 0 | 0 | 4.2 | 8 | 8 | 8 | 5 | 3 | 1 | 0 |
| Will M Smith* | Min | cl | 30 | 3.23 | 4 | 3 | 31 | 47 | 0 | 0 | 0 | 53.0 | 39 | 21 | 19 | 21 | 63 | 11 | 10 |
| Drew Smyly* | Hou | sp | 31 | 10.23 | 5 | 12 | 0 | 25 | 25 | 0 | 0 | 100.1 | 138 | 116 | 114 | 63 | 100 | 43 | 5 |
| Mike Soroka | TB | sp | 22 | 3.42 | 15 | 8 | 0 | 33 | 33 | 1 | 0 | 213.0 | 226 | 86 | 81 | 68 | 165 | 18 | 34 |
| Craig Stammen | Hou | mr | 36 | 4.98 | 6 | 4 | 0 | 47 | 0 | 0 | 0 | 65.0 | 74 | 38 | 36 | 16 | 62 | 10 | 2 |
| Josh Staumont | TB | mr | 26 | 1.42 | 0 | 0 | 1 | 5 | 0 | 0 | 0 | 6.1 | 2 | 1 | 1 | 2 | 4 | 0 | 1 |
| Robert Stephenson | Bal | mr | 27 | 3.03 | 4 | 2 | 3 | 58 | 0 | 0 | 0 | 89.0 | 50 | 35 | 30 | 28 | 109 | 15 | 0 |
| Kohl Stewart | Sea | mr | 25 | 8.41 | 3 | 1 | 0 | 12 | 3 | 0 | 0 | 46.0 | 81 | 43 | 43 | 19 | 22 | 11 | 14 |
| Hunter Strickland | LAA | mr | 31 | 9.00 | 2 | 0 | 0 | 18 | 0 | 0 | 0 | 13.0 | 17 | 13 | 13 | 7 | 10 | 3 | 0 |
| Ross Stripling | Tex | mr | 30 | 6.43 | 4 | 12 | 0 | 25 | 23 | 1 | 0 | 124.2 | 155 | 101 | 89 | 38 | 139 | 23 | 6 |
| Marcus Stroman | TB | sp | 29 | 4.46 | 11 | 8 | 0 | 29 | 29 | 2 | 2 | 183.2 | 178 | 94 | 91 | 74 | 157 | 17 | 16 |
| Daniel Stumpf* | Det | mr | 29 | 3.71 | 0 | 0 | 1 | 25 | 0 | 0 | 0 | 17.0 | 13 | 7 | 7 | 7 | 17 | 2 | 0 |
| Jose Suarez* | Cle | sp | 22 | 7.19 | 3 | 13 | 0 | 18 | 18 | 0 | 0 | 92.2 | 121 | 81 | 74 | 39 | 83 | 33 | 11 |
| Ranger Suarez* | Cle | mr | 24 | 5.68 | 1 | 2 | 0 | 36 | 0 | 0 | 0 | 63.1 | 80 | 44 | 40 | 7 | 48 | 8 | 12 |
| Wander Suero | Tor | mr | 28 | 3.09 | 9 | 1 | 1 | 63 | 0 | 0 | 0 | 107.2 | 95 | 40 | 37 | 34 | 114 | 9 | 12 |
| Noah Syndergaard | TB | sp | 27 | 3.28 | 15 | 12 | 0 | 32 | 32 | 2 | 1 | 203.0 | 191 | 86 | 74 | 59 | 214 | 13 | 8 |
| Masahiro Tanaka | ChW | sp | 31 | 4.06 | 13 | 10 | 0 | 33 | 33 | 2 | 1 | 208.1 | 216 | 104 | 94 | 45 | 161 | 36 | 22 |
| Julio Teheran | NYY | sp | 29 | 3.81 | 12 | 10 | 0 | 33 | 33 | 0 | 0 | 205.2 | 156 | 89 | 87 | 88 | 187 | 29 | 11 |
| Lewis Thorpe* | ChW | mr | 24 | 6.23 | 1 | 0 | 0 | 5 | 0 | 0 | 0 | 4.1 | 6 | 3 | 3 | 4 | 10 | 0 | 0 |
| Josh Tomlin | LAA | mr | 35 | 3.51 | 4 | 3 | 1 | 40 | 1 | 0 | 0 | 82.0 | 81 | 32 | 32 | 8 | 46 | 10 | 12 |
| Touki Toussaint | LAA | mr | 24 | 4.26 | 0 | 1 | 0 | 4 | 2 | 0 | 0 | 12.2 | 12 | 6 | 6 | 7 | 12 | 0 | 2 |
| Sam Tuivailala | Det | mr | 27 | 3.02 | 4 | 0 | 3 | 27 | 1 | 0 | 0 | 41.2 | 30 | 14 | 14 | 22 | 57 | 2 | 1 |
| Spencer Turnbull | Bal | sp | 27 | 4.43 | 8 | 13 | 0 | 33 | 33 | 2 | 1 | 176.2 | 156 | 100 | 87 | 86 | 175 | 17 | 21 |
| Duane Underwood | Bal | mr | 25 | 4.43 | 1 | 0 | 0 | 16 | 0 | 0 | 0 | 22.1 | 14 | 11 | 11 | 7 | 25 | 3 | 1 |
| Jose Urena | Min | sp | 28 | 4.46 | 4 | 5 | 0 | 15 | 15 | 0 | 0 | 84.2 | 101 | 44 | 42 | 32 | 65 | 10 | 9 |
| Julio Urias* | Bal | mr | 23 | 4.17 | 7 | 4 | 5 | 59 | 0 | 0 | 0 | 99.1 | 78 | 49 | 46 | 42 | 100 | 11 | 7 |
| Jose Urquidy | Sea | sp | 25 | 3.22 | 5 | 5 | 0 | 13 | 7 | 0 | 0 | 67.0 | 58 | 25 | 24 | 14 | 74 | 5 | 4 |
| Vincent Velasquez | Tor | sp | 28 | 5.64 | 10 | 10 | 0 | 27 | 27 | 0 | 0 | 145.1 | 157 | 98 | 91 | 51 | 149 | 28 | 8 |
| Hector Velazquez | Sea | mr | 31 | 5.26 | 6 | 7 | 1 | 22 | 16 | 0 | 0 | 90.2 | 98 | 60 | 53 | 44 | 93 | 12 | 9 |
| Justin Verlander | Hou | sp | 37 | 3.94 | 11 | 9 | 0 | 34 | 34 | 2 | 1 | 226.1 | 185 | 106 | 99 | 59 | 304 | 46 | 6 |
| Nick Vincent | Bos | mr | 33 | 4.25 | 4 | 2 | 1 | 36 | 1 | 0 | 0 | 82.2 | 85 | 40 | 39 | 27 | 80 | 13 | 5 |
| Austin Voth | Oak | sp | 28 | 2.47 | 3 | 4 | 0 | 10 | 9 | 1 | 0 | 54.2 | 35 | 19 | 15 | 16 | 58 | 2 | 2 |
| Michael Wacha | Bos | sp | 28 | 5.45 | 7 | 9 | 0 | 29 | 28 | 0 | 0 | 132.0 | 145 | 81 | 80 | 51 | 113 | 25 | 18 |
| Jacob Waguespack | Tor | sp | 26 | 4.29 | 4 | 2 | 0 | 16 | 16 | 0 | 0 | 92.1 | 85 | 44 | 44 | 33 | 75 | 17 | 9 |
| Taijuan Walker | Hou | sp | 27 | 0.00 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 3.0 | 2 | 0 | 0 | 2 | 2 | 0 | 0 |
| Jared Walsh* | Bal | 1b | 26 | 4.91 | 1 | 0 | 0 | 11 | 0 | 0 | 0 | 14.2 | 14 | 9 | 8 | 19 | 10 | 1 | 4 |
| Wei-Chung Wang* | Det | mr | 28 | 7.57 | 2 | 2 | 1 | 24 | 0 | 0 | 0 | 27.1 | 42 | 23 | 23 | 16 | 19 | 6 | 5 |
| Art Warren | ChW | mr | 27 | 2.63 | 1 | 1 | 1 | 11 | 0 | 0 | 0 | 13.2 | 10 | 4 | 4 | 6 | 7 | 1 | 1 |
| Tony Watson* | NYY | mr | 35 | 5.64 | 1 | 1 | 0 | 23 | 0 | 0 | 0 | 30.1 | 32 | 19 | 19 | 8 | 22 | 5 | 4 |
| Luke Weaver | ChW | sp | 26 | 2.82 | 8 | 2 | 0 | 15 | 15 | 0 | 0 | 92.2 | 69 | 31 | 29 | 29 | 101 | 13 | 4 |
| Logan Webb | Bos | sp | 23 | 3.04 | 5 | 2 | 0 | 9 | 9 | 0 | 0 | 53.1 | 52 | 20 | 18 | 21 | 53 | 5 | 3 |
| Tyler Webb* | NYY | mr | 29 | 3.62 | 5 | 4 | 1 | 51 | 0 | 0 | 0 | 64.2 | 40 | 26 | 26 | 22 | 45 | 15 | 2 |
| Ryan Weber | Cle | mr | 29 | 2.19 | 1 | 2 | 1 | 17 | 0 | 0 | 0 | 24.2 | 20 | 6 | 6 | 3 | 12 | 0 | 0 |
| Trey Wingenter | NYY | mr | 26 | 0.00 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 3.1 | 2 | 0 | 0 | 0 | 3 | 0 | 0 |
| Daniel Winkler | Tex | mr | 30 | 6.68 | 2 | 3 | 0 | 31 | 0 | 0 | 0 | 32.1 | 35 | 29 | 24 | 22 | 30 | 10 | 1 |
| Matt Wisler | Sea | mr | 27 | 6.15 | 4 | 2 | 0 | 49 | 8 | 0 | 0 | 89.1 | 96 | 68 | 61 | 35 | 104 | 16 | 1 |
| Nick Wittgren | ChW | mr | 29 | 2.97 | 6 | 3 | 1 | 55 | 0 | 0 | 0 | 72.2 | 57 | 25 | 24 | 28 | 73 | 12 | 3 |
| Alex Wood* | Bal | sp | 29 | 6.45 | 2 | 5 | 0 | 8 | 8 | 0 | 0 | 44.2 | 49 | 34 | 32 | 17 | 42 | 15 | 5 |
| Kyle Wright | Sea | sp | 24 | 5.46 | 2 | 1 | 0 | 8 | 5 | 0 | 0 | 29.2 | 28 | 22 | 18 | 20 | 26 | 5 | 4 |
| Jimmy Yacabonis | Min | mr | 28 | 6.80 | 1 | 1 | 1 | 25 | 0 | 0 | 0 | 42.1 | 61 | 32 | 32 | 25 | 42 | 9 | 3 |
| Ryan Yarbrough* | LAA | sp | 28 | 3.14 | 10 | 5 | 0 | 23 | 21 | 2 | 1 | 140.2 | 130 | 53 | 49 | 33 | 99 | 15 | 16 |
| Kirby Yates | NYY | cl | 33 | 0.95 | 6 | 1 | 43 | 59 | 0 | 0 | 0 | 75.2 | 38 | 8 | 8 | 12 | 117 | 1 | 5 |
| T.J. Zeuch | LAA | sp | 24 | 3.33 | 0 | 3 | 0 | 4 | 4 | 0 | 0 | 24.1 | 17 | 10 | 9 | 6 | 20 | 3 | 0 |
| Jordan Zimmermann | Cle | sp | 34 | 4.83 | 8 | 6 | 0 | 23 | 23 | 0 | 0 | 141.2 | 163 | 84 | 76 | 34 | 92 | 15 | 6 |
| Secondary |
| Name | Team | P | Age | SB | CS | IW | HBP | WP | BK | SH | SF | H/9 | BB/9 | R/9 | K/9 | HR/9 | K/BB | WHIP |
| Jason Adam | Tor | mr | 28 | 0 | 0 | 0 | 3 | 1 | 1 | 0 | 0 | 4.8 | 6.4 | 15.9 | 7.9 | 0.0 | 1.3 | 1.24 |
| Austin L Adams | LAA | mr | 29 | 2 | 1 | 0 | 3 | 5 | 0 | 1 | 2 | 6.6 | 5.9 | 13.2 | 14.1 | 0.7 | 2.4 | 1.39 |
| Dario Agrazal | KC | sp | 25 | 5 | 0 | 0 | 10 | 0 | 0 | 1 | 2 | 8.7 | 2.4 | 12.0 | 4.5 | 1.8 | 1.9 | 1.24 |
| Matt Albers |   | mr | 37 | 2 | 0 | 2 | 6 | 0 | 1 | 0 | 0 | 9.2 | 2.3 | 12.6 | 7.6 | 1.3 | 3.2 | 1.28 |
| Kolby Allard* | Min | sp | 22 | 4 | 1 | 0 | 1 | 1 | 0 | 0 | 2 | 9.8 | 4.0 | 14.1 | 5.8 | 1.1 | 1.4 | 1.54 |
| Dan Altavilla | Tex | mr | 27 | 1 | 0 | 0 | 1 | 4 | 0 | 0 | 3 | 8.0 | 8.5 | 17.0 | 9.5 | 0.5 | 1.1 | 1.83 |
| Brett Anderson* | TB | sp | 32 | 3 | 2 | 5 | 6 | 2 | 0 | 2 | 4 | 10.5 | 3.4 | 14.2 | 4.7 | 1.0 | 1.4 | 1.54 |
| Chase Anderson | TB | sp | 32 | 6 | 3 | 0 | 10 | 0 | 3 | 1 | 5 | 8.6 | 3.2 | 12.5 | 7.7 | 1.3 | 2.4 | 1.31 |
| Justin Anderson | TB | mr | 27 | 3 | 1 | 1 | 3 | 5 | 0 | 1 | 2 | 6.8 | 5.9 | 13.2 | 10.1 | 0.7 | 1.7 | 1.41 |
| Tanner Anderson | Cle | sp | 27 | 1 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 11.7 | 1.5 | 13.2 | 7.3 | 1.5 | 5.0 | 1.47 |
| Tyler Anderson* | Oak | sp | 30 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 14.3 | 4.8 | 19.1 | 7.1 | 6.4 | 1.5 | 2.12 |
| Rogelio Armenteros | Oak | cl | 26 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 8.1 | 1.9 | 10.0 | 11.6 | 0.8 | 6.0 | 1.11 |
| Shawn Armstrong | Hou | mr | 29 | 2 | 1 | 1 | 3 | 2 | 1 | 0 | 1 | 12.1 | 5.6 | 18.2 | 6.2 | 1.6 | 1.1 | 1.97 |
| Jake Arrieta | KC | sp | 34 | 10 | 1 | 4 | 10 | 8 | 0 | 1 | 5 | 9.3 | 2.8 | 12.7 | 6.7 | 1.4 | 2.4 | 1.35 |
| Luis Avilan* | TB | mr | 30 | 1 | 0 | 4 | 3 | 2 | 0 | 1 | 1 | 7.2 | 4.2 | 12.1 | 8.1 | 0.9 | 1.9 | 1.27 |
| Luke Bard | Oak | mr | 29 | 3 | 0 | 3 | 6 | 6 | 0 | 0 | 1 | 9.7 | 3.9 | 14.5 | 6.0 | 1.5 | 1.5 | 1.51 |
| Scott Barlow | Min | mr | 27 | 6 | 0 | 3 | 1 | 2 | 0 | 0 | 0 | 8.1 | 4.2 | 12.5 | 11.4 | 1.2 | 2.8 | 1.37 |
| Matt Barnes |   | mr | 30 | 0 | 1 | 0 | 1 | 4 | 0 | 2 | 2 | 8.2 | 4.1 | 12.4 | 14.4 | 0.8 | 3.5 | 1.36 |
| Trevor Bauer | Det | sp | 29 | 6 | 2 | 7 | 21 | 4 | 0 | 0 | 8 | 8.5 | 4.2 | 13.6 | 11.2 | 1.2 | 2.7 | 1.41 |
| Gerson Bautista | Tex | mr | 25 | 1 | 0 | 0 | 0 | 3 | 0 | 0 | 3 | 23.0 | 5.0 | 28.0 | 14.0 | 4.0 | 2.8 | 3.11 |
| Jalen Beeks* | Bos | mr | 26 | 2 | 2 | 2 | 6 | 5 | 0 | 2 | 1 | 9.6 | 3.2 | 13.5 | 7.5 | 0.8 | 2.3 | 1.43 |
| Dellin Betances | Oak | mr | 32 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 15.4 | 3.9 | 19.3 | 0.0 | 0.0 | 0.0 | 2.14 |
| Richard Bleier* | TB | mr | 33 | 1 | 0 | 10 | 4 | 2 | 0 | 0 | 3 | 8.6 | 3.0 | 12.1 | 5.9 | 0.4 | 2.0 | 1.29 |
| Jerry Blevins* | Sea | mr | 36 | 2 | 1 | 2 | 2 | 3 | 0 | 0 | 1 | 6.7 | 5.6 | 12.7 | 7.1 | 1.5 | 1.3 | 1.37 |
| Ronald Bolanos | Bos | sp | 23 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 7.0 | 5.7 | 13.1 | 8.7 | 1.3 | 1.5 | 1.40 |
| Ryan Borucki* | Min | sp | 26 | 3 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 23.4 | 10.8 | 34.2 | 7.2 | 1.8 | 0.7 | 3.80 |
| Matt Bowman | Hou | mr | 29 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 6.0 | 2.0 | 7.9 | 8.3 | 0.4 | 4.2 | 0.88 |
| Brad Boxberger | TB | mr | 32 | 3 | 0 | 0 | 1 | 1 | 1 | 0 | 3 | 10.4 | 4.7 | 15.6 | 7.3 | 1.0 | 1.6 | 1.67 |
| Matt Boyd* | LAA | sp | 29 | 4 | 3 | 3 | 10 | 7 | 3 | 2 | 6 | 9.7 | 2.4 | 12.6 | 10.6 | 2.0 | 4.4 | 1.35 |
| Brad Brach | ChW | mr | 34 | 1 | 0 | 1 | 2 | 3 | 0 | 0 | 1 | 6.1 | 4.0 | 10.6 | 9.1 | 0.3 | 2.3 | 1.12 |
| Brandon Brennan | Det | mr | 28 | 2 | 0 | 4 | 2 | 9 | 0 | 0 | 1 | 11.4 | 4.6 | 16.4 | 8.7 | 2.1 | 1.9 | 1.78 |
| Colten Brewer | Tex | mr | 27 | 4 | 0 | 1 | 4 | 11 | 0 | 0 | 4 | 11.2 | 9.4 | 21.2 | 10.0 | 1.7 | 1.1 | 2.29 |
| Zack Britton* | Oak | mr | 32 | 1 | 1 | 3 | 0 | 3 | 0 | 2 | 1 | 5.5 | 3.8 | 9.2 | 8.0 | 0.6 | 2.1 | 1.03 |
| Ryan Buchter* | NYY | mr | 33 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 1 | 10.5 | 8.6 | 19.5 | 12.0 | 1.9 | 1.4 | 2.13 |
| Madison Bumgarner* | LAA | sp | 30 | 6 | 6 | 6 | 7 | 3 | 0 | 4 | 6 | 8.7 | 2.4 | 11.4 | 8.1 | 1.5 | 3.3 | 1.24 |
| Dylan Bundy | NYY | sp | 27 | 11 | 2 | 0 | 6 | 5 | 0 | 1 | 4 | 8.2 | 3.2 | 11.8 | 9.1 | 1.1 | 2.8 | 1.28 |
| Corbin Burnes | NYY | mr | 25 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 13.0 | 5.6 | 18.6 | 10.7 | 4.7 | 1.9 | 2.07 |
| Genesis Cabrera* | Oak | mr | 23 | 1 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 8.6 | 5.4 | 14.4 | 5.8 | 0.9 | 1.1 | 1.55 |
| Trevor Cahill | Bal | mr | 32 | 7 | 1 | 5 | 8 | 12 | 0 | 1 | 4 | 11.2 | 4.4 | 16.3 | 7.3 | 2.8 | 1.7 | 1.74 |
| Griffin Canning | TB | sp | 24 | 9 | 1 | 0 | 4 | 13 | 4 | 0 | 8 | 10.1 | 6.2 | 16.7 | 8.9 | 1.5 | 1.4 | 1.81 |
| Ryan Carpenter* | Cle | sp | 29 | 2 | 1 | 0 | 2 | 1 | 0 | 1 | 4 | 13.9 | 3.3 | 17.5 | 4.0 | 3.3 | 1.2 | 1.91 |
| Andrew Cashner | Cle | sp | 33 | 6 | 3 | 0 | 7 | 7 | 0 | 1 | 4 | 8.7 | 4.6 | 13.7 | 4.7 | 1.0 | 1.0 | 1.48 |
| Miguel Castro | Sea | mr | 25 | 4 | 1 | 1 | 1 | 14 | 3 | 0 | 1 | 7.9 | 5.1 | 13.0 | 8.3 | 0.8 | 1.6 | 1.44 |
| Jhoulys Chacin | KC | sp | 32 | 3 | 3 | 0 | 4 | 5 | 0 | 2 | 5 | 11.2 | 5.1 | 16.5 | 7.7 | 1.7 | 1.5 | 1.80 |
| Andrew Chafin* | LAA | mr | 30 | 3 | 0 | 0 | 2 | 1 | 0 | 2 | 2 | 8.9 | 3.2 | 12.6 | 12.4 | 1.0 | 3.8 | 1.35 |
| Aroldis Chapman* | Tor | cl | 32 | 1 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | 7.4 | 4.8 | 12.6 | 13.9 | 0.4 | 2.9 | 1.35 |
| Tyler Chatwood | NYY | mr | 30 | 2 | 0 | 1 | 1 | 6 | 0 | 0 | 0 | 7.0 | 5.7 | 12.8 | 8.3 | 1.7 | 1.5 | 1.41 |
| Yonny Chirinos | Det | sp | 26 | 3 | 2 | 1 | 6 | 1 | 5 | 1 | 5 | 7.9 | 1.8 | 10.0 | 7.8 | 1.5 | 4.4 | 1.07 |
| Steve Cishek | Bos | mr | 34 | 2 | 1 | 1 | 8 | 7 | 0 | 2 | 1 | 6.1 | 5.9 | 13.1 | 8.2 | 1.1 | 1.4 | 1.33 |
| Aaron Civale | Cle | sp | 25 | 1 | 0 | 0 | 3 | 3 | 0 | 2 | 3 | 7.8 | 2.4 | 10.5 | 8.3 | 0.2 | 3.5 | 1.13 |
| Taylor Clarke | Tor | sp | 27 | 1 | 0 | 0 | 5 | 2 | 0 | 1 | 3 | 12.1 | 3.6 | 16.3 | 6.6 | 2.0 | 1.8 | 1.74 |
| Alex Claudio* | Tex | mr | 28 | 2 | 0 | 4 | 6 | 0 | 0 | 0 | 2 | 8.7 | 4.2 | 13.6 | 5.4 | 0.9 | 1.3 | 1.43 |
| Tyler Clippard | Oak | mr | 35 | 0 | 0 | 4 | 5 | 2 | 0 | 0 | 0 | 6.5 | 3.1 | 10.2 | 9.8 | 1.4 | 3.2 | 1.07 |
| Alex Cobb | Bal | sp | 32 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 11.2 | 2.5 | 13.7 | 5.4 | 5.4 | 2.2 | 1.52 |
| Alex Colome | Min | cl | 31 | 1 | 0 | 0 | 4 | 3 | 0 | 1 | 1 | 5.1 | 3.3 | 8.8 | 8.5 | 1.1 | 2.5 | 0.93 |
| Dylan Covey | LAA | sp | 28 | 1 | 0 | 0 | 1 | 1 | 0 | 1 | 1 | 13.5 | 7.2 | 21.6 | 5.4 | 0.9 | 0.8 | 2.30 |
| Kyle Crick | Bal | mr | 27 | 5 | 2 | 1 | 6 | 3 | 0 | 1 | 1 | 9.8 | 6.4 | 17.0 | 8.7 | 3.3 | 1.4 | 1.80 |
| Johnny Cueto | Oak | sp | 34 | 0 | 0 | 2 | 0 | 2 | 1 | 1 | 0 | 9.7 | 3.6 | 13.3 | 5.6 | 2.8 | 1.6 | 1.48 |
| Yu Darvish | LAA | sp | 33 | 12 | 1 | 0 | 12 | 9 | 0 | 2 | 2 | 7.5 | 2.8 | 10.9 | 10.3 | 1.8 | 3.6 | 1.15 |
| Austin Davis* | Tex | mr | 27 | 0 | 0 | 2 | 5 | 0 | 0 | 0 | 1 | 9.0 | 7.6 | 18.4 | 11.2 | 3.6 | 1.5 | 1.84 |
| Jose De Leon | Bal | mr | 27 | 0 | 0 | 0 | 5 | 4 | 0 | 0 | 1 | 17.7 | 10.4 | 33.2 | 9.3 | 1.0 | 0.9 | 3.12 |
| Anthony DeSclafani | Min | sp | 30 | 6 | 1 | 10 | 4 | 3 | 3 | 1 | 8 | 8.4 | 2.5 | 11.0 | 9.5 | 1.6 | 3.8 | 1.20 |
| Chris Devenski | KC | mr | 29 | 0 | 1 | 0 | 4 | 1 | 0 | 1 | 0 | 10.6 | 2.9 | 14.6 | 9.8 | 2.4 | 3.4 | 1.50 |
| Edwin Diaz | NYY | cl | 26 | 5 | 1 | 0 | 3 | 1 | 0 | 0 | 1 | 8.3 | 1.7 | 10.6 | 13.0 | 2.8 | 7.6 | 1.11 |
| Jake Diekman* | TB | mr | 33 | 3 | 2 | 1 | 5 | 11 | 0 | 1 | 4 | 7.0 | 6.0 | 13.7 | 11.3 | 0.6 | 1.9 | 1.44 |
| Randy Dobnak | Oak | sp | 25 | 7 | 4 | 1 | 11 | 0 | 3 | 0 | 1 | 8.1 | 1.2 | 11.0 | 7.7 | 0.9 | 6.3 | 1.04 |
| Sean Doolittle* | Cle | cl | 33 | 2 | 0 | 3 | 2 | 0 | 0 | 0 | 1 | 11.8 | 2.8 | 14.9 | 10.4 | 1.6 | 3.7 | 1.62 |
| Oliver Drake | LAA | mr | 33 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 4 | 7.2 | 3.3 | 10.5 | 10.5 | 1.6 | 3.2 | 1.17 |
| Tyler Duffey | TB | mr | 29 | 3 | 2 | 1 | 1 | 8 | 0 | 2 | 2 | 6.9 | 3.6 | 10.6 | 13.4 | 0.9 | 3.7 | 1.16 |
| Danny Duffy* | NYY | sp | 31 | 4 | 2 | 4 | 10 | 7 | 0 | 1 | 3 | 7.9 | 3.1 | 11.5 | 7.7 | 1.5 | 2.5 | 1.22 |
| Robert Dugger | KC | sp | 24 | 0 | 2 | 3 | 8 | 0 | 0 | 1 | 3 | 7.0 | 4.3 | 13.0 | 4.7 | 1.1 | 1.1 | 1.25 |
| Justin Dunn | Hou | sp | 24 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 7.9 | 5.9 | 14.5 | 7.2 | 3.3 | 1.2 | 1.54 |
| Jon Duplantier | Sea | mr | 25 | 0 | 0 | 0 | 2 | 1 | 0 | 0 | 2 | 15.5 | 5.3 | 21.7 | 10.6 | 0.0 | 2.0 | 2.31 |
| Sam Dyson | Min | mr | 32 | 5 | 0 | 2 | 6 | 1 | 0 | 1 | 0 | 7.0 | 1.5 | 9.4 | 9.4 | 0.8 | 6.2 | 0.95 |
| Carl Edwards | Bal | mr | 28 | 3 | 0 | 2 | 3 | 1 | 1 | 0 | 0 | 4.9 | 6.6 | 12.4 | 9.8 | 2.0 | 1.5 | 1.28 |
| Nathan Eovaldi | Tex | sp | 30 | 0 | 0 | 0 | 1 | 7 | 0 | 0 | 4 | 12.0 | 6.1 | 18.3 | 8.6 | 2.2 | 1.4 | 2.01 |
| Carlos Estevez | NYY | mr | 27 | 3 | 1 | 2 | 0 | 0 | 0 | 0 | 2 | 8.6 | 2.9 | 11.5 | 10.2 | 1.6 | 3.5 | 1.28 |
| Marco Estrada | Det | sp | 36 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 12.9 | 3.5 | 16.4 | 5.9 | 2.3 | 1.7 | 1.83 |
| Peter Fairbanks | Det | mr | 26 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 5.4 | 0.0 | 99.0 | 0.00 |
| Buck Farmer | Min | mr | 29 | 2 | 0 | 2 | 1 | 5 | 0 | 0 | 0 | 7.7 | 3.1 | 11.1 | 9.3 | 1.3 | 3.0 | 1.20 |
| Erick Fedde | Sea | sp | 27 | 3 | 0 | 2 | 3 | 0 | 0 | 0 | 3 | 9.1 | 3.8 | 13.2 | 4.4 | 1.1 | 1.1 | 1.44 |
| Michael Feliz | Cle | mr | 27 | 6 | 0 | 0 | 4 | 0 | 0 | 1 | 1 | 7.7 | 5.6 | 13.8 | 10.9 | 2.2 | 2.0 | 1.47 |
| Matt Festa | Min | mr | 27 | 2 | 0 | 0 | 3 | 3 | 0 | 1 | 5 | 6.3 | 5.6 | 13.0 | 10.2 | 0.0 | 1.8 | 1.32 |
| Jack Flaherty | Det | sp | 24 | 3 | 2 | 1 | 5 | 4 | 0 | 1 | 1 | 7.9 | 2.6 | 10.7 | 9.6 | 1.3 | 3.7 | 1.17 |
| Dylan Floro | Min | mr | 29 | 4 | 2 | 3 | 0 | 0 | 0 | 0 | 6 | 6.7 | 2.2 | 8.9 | 7.0 | 0.6 | 3.2 | 0.99 |
| Kyle Freeland* | ChW | sp | 27 | 0 | 0 | 0 | 1 | 2 | 0 | 2 | 2 | 10.3 | 2.4 | 12.8 | 5.6 | 2.4 | 2.3 | 1.41 |
| Max Fried* | Oak | sp | 26 | 5 | 2 | 4 | 6 | 12 | 1 | 1 | 2 | 10.3 | 2.6 | 13.1 | 8.9 | 1.8 | 3.5 | 1.42 |
| Jace Fry* | Cle | mr | 26 | 0 | 1 | 2 | 4 | 3 | 0 | 1 | 1 | 4.9 | 7.0 | 12.7 | 12.2 | 0.6 | 1.8 | 1.31 |
| Paul Fry* | Oak | mr | 27 | 4 | 1 | 1 | 2 | 1 | 0 | 0 | 1 | 6.3 | 3.8 | 10.4 | 9.5 | 1.4 | 2.5 | 1.12 |
| Giovanny Gallegos | Hou | mr | 28 | 2 | 2 | 1 | 3 | 5 | 0 | 1 | 2 | 6.6 | 2.0 | 9.0 | 11.8 | 2.0 | 5.8 | 0.96 |
| Jarlin Garcia* | LAA | mr | 27 | 2 | 0 | 4 | 1 | 2 | 0 | 2 | 0 | 5.0 | 3.2 | 8.3 | 5.9 | 0.7 | 1.9 | 0.91 |
| Luis Garcia | KC | mr | 33 | 3 | 1 | 3 | 4 | 14 | 0 | 0 | 0 | 7.9 | 5.7 | 14.2 | 7.0 | 1.8 | 1.2 | 1.51 |
| Yimi Garcia | KC | mr | 29 | 5 | 0 | 0 | 3 | 0 | 2 | 0 | 1 | 6.8 | 2.5 | 9.8 | 10.8 | 2.1 | 4.4 | 1.03 |
| Cory Gearrin | Oak | mr | 34 | 2 | 1 | 0 | 3 | 2 | 0 | 0 | 0 | 8.1 | 7.3 | 16.6 | 6.6 | 0.4 | 0.9 | 1.71 |
| Kyle Gibson | Oak | sp | 32 | 8 | 6 | 1 | 9 | 9 | 0 | 4 | 3 | 10.1 | 3.2 | 13.8 | 9.3 | 1.9 | 2.9 | 1.48 |
| Ken Giles | ChW | cl | 29 | 7 | 1 | 0 | 2 | 2 | 0 | 1 | 1 | 5.9 | 2.1 | 8.2 | 13.2 | 0.9 | 6.4 | 0.89 |
| Tyler Glasnow | Sea | sp | 26 | 9 | 0 | 0 | 3 | 3 | 0 | 0 | 0 | 7.0 | 1.9 | 9.1 | 10.2 | 1.0 | 5.5 | 0.98 |
| Zack Godley | Bos | mr | 30 | 1 | 0 | 0 | 8 | 3 | 1 | 2 | 3 | 10.9 | 3.2 | 14.9 | 6.2 | 1.8 | 1.9 | 1.57 |
| Gio Gonzalez* | ChW | sp | 34 | 2 | 2 | 0 | 1 | 4 | 0 | 0 | 7 | 8.5 | 4.0 | 12.6 | 7.3 | 0.8 | 1.8 | 1.39 |
| Nick Goody | TB | mr | 28 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 1 | 9.9 | 4.9 | 15.1 | 11.5 | 3.3 | 2.3 | 1.65 |
| Jon Gray | Hou | sp | 28 | 9 | 4 | 4 | 8 | 6 | 0 | 3 | 1 | 9.3 | 3.6 | 13.3 | 8.0 | 1.3 | 2.2 | 1.43 |
| Chad Green | Oak | mr | 29 | 7 | 7 | 4 | 5 | 1 | 0 | 1 | 4 | 8.6 | 3.9 | 12.9 | 11.5 | 2.1 | 3.0 | 1.38 |
| Robert Gsellman | Oak | mr | 26 | 3 | 3 | 1 | 9 | 4 | 0 | 1 | 3 | 7.3 | 2.3 | 10.8 | 8.4 | 0.7 | 3.6 | 1.07 |
| Javy A Guerra | Tex | mr | 24 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 8.1 | 4.0 | 12.8 | 6.8 | 2.0 | 1.7 | 1.35 |
| Javy L Guerra | Det | mr | 34 | 2 | 0 | 3 | 1 | 5 | 0 | 0 | 3 | 10.6 | 2.6 | 13.4 | 7.5 | 1.5 | 2.9 | 1.47 |
| Junior Guerra | Hou | mr | 35 | 2 | 2 | 1 | 2 | 3 | 0 | 2 | 0 | 6.3 | 3.4 | 9.9 | 8.7 | 0.8 | 2.6 | 1.08 |
| Tayron Guerrero | Sea | mr | 29 | 1 | 0 | 1 | 2 | 14 | 0 | 0 | 1 | 9.9 | 9.1 | 19.3 | 9.4 | 2.3 | 1.0 | 2.10 |
| David Hale | Oak | mr | 32 | 0 | 0 | 1 | 2 | 5 | 0 | 0 | 3 | 8.0 | 2.1 | 10.5 | 6.3 | 0.4 | 3.0 | 1.12 |
| Matt Hall* | Bal | mr | 26 | 1 | 0 | 0 | 3 | 0 | 1 | 2 | 2 | 9.9 | 7.2 | 17.8 | 11.5 | 2.3 | 1.6 | 1.90 |
| Cole Hamels* | Hou | sp | 36 | 15 | 1 | 7 | 4 | 3 | 0 | 3 | 6 | 9.6 | 3.9 | 13.8 | 7.4 | 1.2 | 1.9 | 1.50 |
| Brad Hand* | Hou | cl | 30 | 0 | 0 | 4 | 2 | 0 | 0 | 0 | 2 | 8.7 | 3.3 | 12.3 | 10.3 | 1.3 | 3.1 | 1.33 |
| Will Harris | Det | mr | 35 | 0 | 1 | 3 | 2 | 5 | 0 | 1 | 2 | 7.6 | 4.3 | 12.1 | 9.5 | 1.0 | 2.2 | 1.32 |
| Matt Harvey | Sea | sp | 31 | 1 | 0 | 1 | 0 | 6 | 0 | 1 | 5 | 11.3 | 6.1 | 17.4 | 5.7 | 2.2 | 0.9 | 1.94 |
| Jeremy Hellickson | Bos | sp | 33 | 3 | 4 | 0 | 0 | 1 | 0 | 0 | 0 | 9.4 | 2.9 | 12.3 | 7.6 | 1.3 | 2.6 | 1.37 |
| Heath Hembree | Cle | mr | 31 | 5 | 2 | 1 | 6 | 5 | 1 | 0 | 2 | 9.2 | 3.7 | 13.8 | 10.8 | 3.1 | 2.9 | 1.43 |
| Liam Hendriks | Bal | cl | 31 | 4 | 2 | 4 | 1 | 6 | 0 | 3 | 3 | 9.3 | 2.5 | 11.8 | 11.8 | 1.0 | 4.8 | 1.31 |
| David Hernandez | Min | mr | 35 | 3 | 2 | 8 | 2 | 2 | 0 | 0 | 1 | 9.6 | 3.9 | 13.8 | 12.0 | 0.8 | 3.1 | 1.50 |
| Felix Hernandez | Cle | sp | 34 | 4 | 3 | 1 | 3 | 7 | 0 | 0 | 2 | 12.0 | 4.3 | 16.6 | 6.7 | 2.0 | 1.6 | 1.81 |
| Jonathan Hernandez | Tex | mr | 23 | 1 | 1 | 0 | 0 | 2 | 0 | 0 | 1 | 7.6 | 10.2 | 17.8 | 6.6 | 1.5 | 0.6 | 1.98 |
| David Hess | Min | sp | 26 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 15.7 | 4.5 | 20.2 | 7.1 | 4.7 | 1.6 | 2.24 |
| Jordan Hicks | ChW | cl | 23 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 4.7 | 2.5 | 7.2 | 9.4 | 0.0 | 3.8 | 0.80 |
| Rich Hill* | Hou | sp | 40 | 3 | 0 | 0 | 5 | 3 | 0 | 0 | 0 | 9.8 | 2.0 | 12.3 | 12.4 | 2.6 | 6.2 | 1.31 |
| Jeff Hoffman | Hou | sp | 27 | 4 | 4 | 0 | 5 | 2 | 0 | 2 | 1 | 8.8 | 3.9 | 13.2 | 7.4 | 2.5 | 1.9 | 1.41 |
| Jonathan Holder | Det | mr | 27 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 9.2 | 1.1 | 10.7 | 9.2 | 2.1 | 8.7 | 1.14 |
| Greg Holland | TB | cl | 34 | 1 | 1 | 0 | 4 | 8 | 0 | 0 | 2 | 8.1 | 6.5 | 15.4 | 9.9 | 1.6 | 1.5 | 1.62 |
| Clay Holmes | Hou | mr | 27 | 4 | 0 | 0 | 7 | 5 | 0 | 0 | 2 | 7.1 | 6.0 | 14.2 | 9.4 | 0.8 | 1.6 | 1.45 |
| James Hoyt | ChW | mr | 33 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 10.3 | 2.6 | 12.9 | 5.1 | 1.3 | 2.0 | 1.43 |
| Dakota Hudson | NYY | sp | 25 | 7 | 3 | 4 | 5 | 3 | 0 | 1 | 3 | 8.1 | 4.1 | 12.6 | 7.0 | 1.8 | 1.7 | 1.37 |
| Danny Hultzen* | Bal | mr | 30 | 0 | 0 | 0 | 3 | 1 | 0 | 0 | 1 | 7.5 | 6.9 | 16.3 | 8.8 | 0.6 | 1.3 | 1.60 |
| Tommy Hunter | Bal | mr | 33 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 5.6 | 1.6 | 7.1 | 4.0 | 1.6 | 2.5 | 0.79 |
| Cole Irvin* | Det | mr | 26 | 0 | 0 | 3 | 1 | 2 | 0 | 0 | 1 | 9.8 | 2.8 | 12.8 | 6.8 | 0.9 | 2.4 | 1.40 |
| Kenley Jansen | NYY | cl | 32 | 3 | 0 | 0 | 2 | 0 | 3 | 2 | 2 | 8.5 | 3.3 | 12.1 | 12.1 | 1.5 | 3.6 | 1.32 |
| Dan Jennings* | KC | mr | 33 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 21.0 | 6.0 | 27.0 | 3.0 | 3.0 | 0.5 | 3.00 |
| D.J. Johnson | Min | mr | 30 | 1 | 1 | 0 | 4 | 3 | 0 | 0 | 0 | 7.7 | 8.2 | 17.8 | 8.7 | 1.0 | 1.1 | 1.77 |
| Jake Junis | Tex | sp | 27 | 14 | 2 | 5 | 15 | 3 | 0 | 1 | 2 | 9.4 | 3.5 | 13.6 | 8.0 | 2.0 | 2.3 | 1.43 |
| Ariel Jurado | Tex | sp | 24 | 11 | 2 | 2 | 3 | 2 | 0 | 0 | 2 | 10.9 | 3.9 | 15.0 | 6.7 | 1.6 | 1.7 | 1.64 |
| Tommy Kahnle | Sea | mr | 30 | 1 | 2 | 3 | 2 | 12 | 0 | 1 | 0 | 8.3 | 4.2 | 12.7 | 12.6 | 1.7 | 3.0 | 1.38 |
| Anthony Kay* | Det | sp | 25 | 3 | 0 | 0 | 2 | 1 | 0 | 0 | 1 | 10.3 | 2.7 | 14.0 | 6.5 | 1.1 | 2.4 | 1.44 |
| Keone Kela | TB | mr | 27 | 1 | 0 | 0 | 2 | 0 | 0 | 2 | 1 | 7.1 | 3.8 | 11.5 | 8.2 | 1.1 | 2.1 | 1.21 |
| Brad Keller | Cle | sp | 24 | 3 | 2 | 3 | 14 | 11 | 0 | 4 | 6 | 8.6 | 3.3 | 12.6 | 5.8 | 1.1 | 1.8 | 1.33 |
| Mitch Keller | ChW | sp | 24 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 21.0 | 9.0 | 30.0 | 6.0 | 0.0 | 0.7 | 3.33 |
| Shawn Kelley | KC | mr | 36 | 1 | 0 | 4 | 1 | 2 | 0 | 1 | 1 | 9.4 | 3.1 | 12.8 | 7.1 | 0.6 | 2.3 | 1.39 |
| Ian Kennedy | Cle | cl | 35 | 0 | 1 | 0 | 2 | 1 | 0 | 0 | 0 | 12.4 | 0.7 | 13.9 | 12.4 | 0.7 | 17.5 | 1.46 |
| Tyler Kinley | Tex | mr | 29 | 4 | 1 | 2 | 1 | 3 | 0 | 0 | 3 | 10.8 | 4.9 | 15.8 | 7.1 | 1.8 | 1.5 | 1.74 |
| Brandon Kintzler | Tor | mr | 35 | 0 | 0 | 0 | 12 | 0 | 0 | 1 | 3 | 6.5 | 1.6 | 9.1 | 5.5 | 0.8 | 3.4 | 0.90 |
| Adam Kolarek* | Bos | mr | 31 | 1 | 0 | 2 | 3 | 0 | 0 | 0 | 0 | 6.9 | 1.9 | 9.4 | 7.5 | 1.7 | 3.9 | 0.99 |
| Travis Lakins | Tex | mr | 26 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 8.8 | 4.4 | 13.8 | 6.1 | 1.7 | 1.4 | 1.47 |
| Peter Lambert | KC | sp | 23 | 4 | 0 | 0 | 9 | 8 | 0 | 0 | 4 | 12.4 | 2.9 | 15.9 | 6.3 | 1.2 | 2.2 | 1.69 |
| Dinelson Lamet | KC | sp | 27 | 2 | 1 | 1 | 6 | 7 | 0 | 1 | 0 | 8.1 | 3.4 | 12.2 | 12.9 | 1.4 | 3.8 | 1.27 |
| Mike Leake | Tex | sp | 32 | 1 | 4 | 0 | 11 | 1 | 0 | 2 | 5 | 11.6 | 2.3 | 14.5 | 5.4 | 2.4 | 2.4 | 1.54 |
| Wade LeBlanc* | Sea | mr | 35 | 1 | 0 | 1 | 3 | 0 | 0 | 1 | 3 | 9.9 | 2.4 | 12.7 | 6.3 | 1.1 | 2.6 | 1.37 |
| Zack Littell | Sea | mr | 24 | 1 | 0 | 1 | 0 | 2 | 1 | 2 | 4 | 9.6 | 4.6 | 14.2 | 6.6 | 1.6 | 1.5 | 1.58 |
| Jonathan Loaisiga | Tor | mr | 25 | 2 | 0 | 0 | 1 | 2 | 0 | 0 | 0 | 15.7 | 6.1 | 22.6 | 9.6 | 0.9 | 1.6 | 2.42 |
| Jorge Lopez | Bal | mr | 27 | 6 | 0 | 6 | 15 | 7 | 0 | 0 | 2 | 9.7 | 3.2 | 13.8 | 8.0 | 2.0 | 2.5 | 1.44 |
| Reynaldo Lopez | Bal | sp | 26 | 8 | 3 | 1 | 7 | 3 | 2 | 0 | 5 | 9.8 | 3.8 | 14.0 | 7.8 | 2.1 | 2.1 | 1.51 |
| Yoan Lopez | ChW | mr | 27 | 1 | 1 | 0 | 1 | 0 | 0 | 2 | 2 | 8.8 | 2.9 | 11.8 | 6.8 | 2.0 | 2.4 | 1.29 |
| Michael Lorenzen | Tor | mr | 28 | 3 | 0 | 0 | 2 | 0 | 0 | 3 | 2 | 8.2 | 2.3 | 10.9 | 8.1 | 1.0 | 3.4 | 1.17 |
| Elvis Luciano | Bal | mr | 20 | 5 | 0 | 4 | 3 | 2 | 0 | 1 | 4 | 11.5 | 10.1 | 22.3 | 8.0 | 0.8 | 0.8 | 2.40 |
| Lance Lynn | NYY | sp | 33 | 8 | 1 | 1 | 14 | 22 | 0 | 2 | 6 | 7.2 | 2.4 | 10.1 | 10.3 | 0.7 | 4.4 | 1.06 |
| Matt Magill | LAA | mr | 30 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 8.8 | 1.8 | 10.6 | 9.4 | 1.8 | 5.3 | 1.17 |
| Tyler Mahle | Min | sp | 25 | 5 | 0 | 7 | 9 | 0 | 1 | 0 | 2 | 9.8 | 3.5 | 13.9 | 8.7 | 1.8 | 2.5 | 1.48 |
| Nick Margevicius* | Sea | sp | 24 | 7 | 1 | 2 | 4 | 3 | 0 | 0 | 1 | 13.2 | 2.9 | 16.6 | 5.9 | 2.6 | 2.0 | 1.79 |
| German Marquez | Det | sp | 25 | 3 | 2 | 4 | 1 | 21 | 2 | 1 | 1 | 7.9 | 2.1 | 10.0 | 8.1 | 1.1 | 3.9 | 1.11 |
| Chris Martin | Cle | mr | 34 | 2 | 5 | 2 | 0 | 1 | 0 | 1 | 3 | 7.0 | 1.4 | 8.5 | 9.9 | 1.1 | 7.0 | 0.94 |
| Carlos Martinez | Det | cl | 28 | 2 | 0 | 0 | 3 | 2 | 0 | 3 | 1 | 8.7 | 4.9 | 14.1 | 9.6 | 1.0 | 2.0 | 1.51 |
| Phil Maton | Tex | mr | 27 | 0 | 0 | 0 | 3 | 5 | 0 | 0 | 2 | 10.2 | 2.5 | 13.2 | 9.0 | 1.9 | 3.5 | 1.42 |
| Steven Matz* | Oak | sp | 29 | 8 | 7 | 4 | 6 | 6 | 0 | 1 | 5 | 9.5 | 2.9 | 12.7 | 9.1 | 1.6 | 3.2 | 1.38 |
| Dustin May | NYY | mr | 22 | 0 | 0 | 1 | 4 | 1 | 0 | 2 | 2 | 9.1 | 1.1 | 11.6 | 7.7 | 0.4 | 7.3 | 1.13 |
| Tim Mayza* | Tor | mr | 28 | 0 | 0 | 0 | 0 | 2 | 0 | 1 | 1 | 7.4 | 2.9 | 10.2 | 7.0 | 1.2 | 2.4 | 1.14 |
| Jake McGee* | KC | mr | 33 | 0 | 1 | 5 | 5 | 1 | 1 | 1 | 2 | 9.8 | 3.5 | 14.4 | 8.9 | 2.6 | 2.6 | 1.48 |
| Brendan McKay* | Cle | sp | 24 | 2 | 1 | 4 | 3 | 0 | 0 | 0 | 4 | 10.8 | 2.6 | 13.7 | 9.7 | 2.5 | 3.7 | 1.49 |
| David McKay | KC | mr | 25 | 1 | 1 | 0 | 2 | 2 | 0 | 0 | 0 | 9.0 | 4.5 | 14.4 | 12.1 | 1.8 | 2.7 | 1.50 |
| Adalberto Mejia* | KC | mr | 27 | 1 | 0 | 0 | 2 | 5 | 0 | 2 | 1 | 8.9 | 5.1 | 14.4 | 8.3 | 0.8 | 1.6 | 1.55 |
| Mark Melancon | Bos | mr | 35 | 2 | 0 | 0 | 3 | 4 | 0 | 0 | 4 | 9.7 | 3.3 | 13.3 | 8.5 | 0.5 | 2.6 | 1.43 |
| Tim Melville | Cle | sp | 30 | 3 | 1 | 0 | 1 | 4 | 0 | 1 | 2 | 10.8 | 5.2 | 16.2 | 6.9 | 2.9 | 1.3 | 1.78 |
| Yohander Mendez* | Oak | mr | 25 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9.4 | 4.7 | 14.1 | 8.2 | 2.3 | 1.8 | 1.57 |
| Daniel Mengden | Bos | sp | 27 | 3 | 2 | 1 | 1 | 1 | 0 | 0 | 1 | 8.2 | 3.1 | 11.3 | 6.6 | 1.1 | 2.2 | 1.25 |
| Wade Miley* | Tor | sp | 33 | 4 | 3 | 1 | 8 | 9 | 3 | 3 | 3 | 10.2 | 2.9 | 13.5 | 6.5 | 1.1 | 2.2 | 1.46 |
| Alec Mills | Bal | mr | 28 | 3 | 1 | 4 | 4 | 3 | 0 | 0 | 2 | 9.3 | 5.2 | 15.3 | 8.9 | 1.4 | 1.7 | 1.61 |
| Mike Minor* | Sea | sp | 32 | 9 | 3 | 4 | 5 | 4 | 0 | 1 | 8 | 8.6 | 3.5 | 12.3 | 8.9 | 1.0 | 2.6 | 1.35 |
| Mike Montgomery* | Bal | mr | 30 | 8 | 2 | 0 | 5 | 5 | 0 | 2 | 1 | 11.7 | 3.1 | 15.2 | 6.1 | 2.5 | 2.0 | 1.65 |
| Matt Moore* | TB | sp | 31 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 1 | 5.5 | 1.8 | 7.3 | 3.2 | 0.9 | 1.8 | 0.81 |
| Adam Morgan* | LAA | mr | 30 | 1 | 0 | 2 | 3 | 0 | 0 | 1 | 5 | 4.6 | 3.3 | 8.5 | 7.2 | 0.7 | 2.2 | 0.87 |
| Mike Morin | Bos | mr | 29 | 1 | 0 | 0 | 8 | 2 | 0 | 1 | 4 | 8.7 | 2.5 | 12.0 | 4.3 | 1.0 | 1.7 | 1.24 |
| Reyes Moronta | LAA | mr | 27 | 6 | 0 | 0 | 1 | 5 | 1 | 0 | 3 | 6.8 | 6.8 | 13.8 | 10.3 | 1.8 | 1.5 | 1.52 |
| Andres Munoz | TB | mr | 21 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 0 | 4.5 | 5.2 | 9.7 | 11.1 | 1.0 | 2.1 | 1.08 |
| Joe Musgrove | Min | sp | 27 | 6 | 5 | 5 | 6 | 2 | 0 | 0 | 6 | 9.0 | 2.1 | 11.3 | 7.9 | 1.1 | 3.8 | 1.23 |
| Jimmy Nelson | Bal | mr | 31 | 3 | 4 | 0 | 1 | 0 | 0 | 0 | 0 | 9.0 | 6.3 | 15.6 | 10.2 | 2.2 | 1.6 | 1.70 |
| Hector Neris | LAA | cl | 31 | 1 | 0 | 2 | 4 | 1 | 1 | 0 | 4 | 5.6 | 3.0 | 9.1 | 11.8 | 0.9 | 4.0 | 0.95 |
| Sean Newcomb* | Tor | mr | 27 | 3 | 1 | 0 | 4 | 7 | 0 | 0 | 4 | 8.0 | 4.4 | 12.7 | 8.2 | 1.0 | 1.9 | 1.37 |
| Hector Noesi | KC | mr | 33 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.4 | 10.8 | 16.2 | 10.8 | 0.0 | 1.0 | 1.80 |
| Aaron Nola | Min | sp | 27 | 20 | 6 | 0 | 7 | 0 | 0 | 1 | 7 | 7.7 | 3.5 | 11.5 | 9.5 | 1.0 | 2.7 | 1.24 |
| Daniel Norris* | Tor | sp | 27 | 11 | 2 | 1 | 8 | 6 | 0 | 0 | 4 | 10.4 | 2.7 | 13.5 | 7.6 | 1.9 | 2.8 | 1.45 |
| James Norwood | Det | mr | 26 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 18.0 | 18.0 | 36.0 | 9.0 | 0.0 | 0.5 | 4.00 |
| Ivan Nova | KC | sp | 33 | 7 | 6 | 3 | 13 | 7 | 0 | 3 | 3 | 12.9 | 2.9 | 16.4 | 5.5 | 1.6 | 1.9 | 1.76 |
| Darren O'Day | Sea | mr | 37 | 0 | 0 | 0 | 3 | 2 | 0 | 0 | 0 | 12.9 | 7.7 | 24.4 | 7.7 | 1.3 | 1.0 | 2.29 |
| Jake Odorizzi | ChW | sp | 30 | 3 | 2 | 0 | 6 | 5 | 0 | 2 | 7 | 7.0 | 3.6 | 10.8 | 9.0 | 1.4 | 2.5 | 1.18 |
| Roberto Osuna | Tor | cl | 25 | 2 | 1 | 0 | 3 | 0 | 1 | 0 | 4 | 5.9 | 1.4 | 7.6 | 10.2 | 1.2 | 7.3 | 0.81 |
| Chris Paddack | Tex | sp | 24 | 1 | 4 | 1 | 10 | 2 | 0 | 3 | 5 | 7.4 | 2.5 | 10.4 | 9.3 | 1.5 | 3.8 | 1.10 |
| Joe Palumbo* | Bos | sp | 25 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10.8 | 0.0 | 10.8 | 2.7 | 2.7 | 99.0 | 1.20 |
| Thomas Pannone* |   | mr | 26 | 3 | 1 | 1 | 8 | 8 | 0 | 1 | 4 | 7.4 | 3.2 | 11.3 | 7.6 | 1.1 | 2.4 | 1.17 |
| Blake Parker | Det | mr | 35 | 0 | 0 | 1 | 3 | 5 | 0 | 1 | 1 | 6.3 | 3.4 | 10.1 | 8.1 | 1.1 | 2.3 | 1.08 |
| Wes Parsons | KC | mr | 27 | 2 | 0 | 0 | 3 | 1 | 0 | 0 | 3 | 7.9 | 7.7 | 16.2 | 7.7 | 0.8 | 1.0 | 1.73 |
| Brad Peacock | Det | sp | 32 | 3 | 0 | 6 | 7 | 1 | 1 | 1 | 2 | 8.4 | 4.3 | 13.3 | 9.2 | 1.5 | 2.1 | 1.41 |
| Freddy Peralta | ChW | mr | 24 | 2 | 0 | 0 | 0 | 1 | 0 | 1 | 2 | 8.0 | 4.1 | 12.1 | 12.1 | 2.0 | 2.9 | 1.35 |
| Wandy Peralta* | Tex | mr | 28 | 2 | 0 | 2 | 5 | 1 | 1 | 2 | 1 | 10.2 | 3.3 | 14.1 | 6.0 | 2.6 | 1.8 | 1.49 |
| Wily Peralta | KC | mr | 31 | 2 | 0 | 3 | 6 | 1 | 0 | 0 | 4 | 7.9 | 4.7 | 13.6 | 4.7 | 0.8 | 1.0 | 1.40 |
| Luis Perdomo | ChW | mr | 27 | 3 | 0 | 0 | 2 | 5 | 0 | 2 | 6 | 11.1 | 4.0 | 15.3 | 6.2 | 2.1 | 1.5 | 1.68 |
| Oliver Perez* | Oak | mr | 38 | 1 | 0 | 3 | 2 | 1 | 0 | 0 | 1 | 7.6 | 3.4 | 11.5 | 10.1 | 0.8 | 3.0 | 1.22 |
| Dillon Peters* | Bos | sp | 27 | 1 | 1 | 1 | 5 | 1 | 2 | 2 | 0 | 10.5 | 3.1 | 14.2 | 6.0 | 2.4 | 1.9 | 1.51 |
| Yusmeiro Petit | Bos | mr | 35 | 4 | 1 | 2 | 5 | 3 | 0 | 4 | 5 | 6.5 | 1.3 | 8.2 | 8.6 | 1.2 | 6.7 | 0.86 |
| Jake Petricka | Tex | mr | 32 | 0 | 0 | 1 | 0 | 2 | 0 | 0 | 1 | 8.0 | 6.6 | 14.6 | 2.2 | 0.0 | 0.3 | 1.62 |
| David Phelps | NYY | mr | 33 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 10.0 | 7.7 | 17.7 | 9.3 | 0.0 | 1.2 | 1.97 |
| Michael Pineda | LAA | sp | 31 | 3 | 2 | 0 | 6 | 7 | 0 | 4 | 9 | 8.5 | 1.9 | 10.6 | 7.4 | 1.3 | 4.0 | 1.15 |
| Adam Plutko | Bos | sp | 28 | 3 | 3 | 0 | 7 | 0 | 0 | 2 | 2 | 8.9 | 2.4 | 11.8 | 6.9 | 2.0 | 2.8 | 1.26 |
| Drew Pomeranz* | Bos | mr | 31 | 8 | 3 | 2 | 5 | 1 | 2 | 2 | 8 | 8.5 | 4.0 | 12.9 | 10.7 | 1.7 | 2.7 | 1.40 |
| Daniel Ponce de Leon | Hou | sp | 28 | 0 | 3 | 0 | 4 | 1 | 0 | 1 | 3 | 10.1 | 5.5 | 16.2 | 9.5 | 2.1 | 1.7 | 1.73 |
| David Price* | ChW | sp | 34 | 3 | 0 | 0 | 8 | 4 | 0 | 0 | 6 | 9.0 | 2.6 | 12.0 | 9.1 | 1.0 | 3.5 | 1.28 |
| Austin Pruitt | KC | mr | 30 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 12.1 | 2.7 | 14.8 | 2.7 | 0.0 | 1.0 | 1.65 |
| A.J. Puk* | NYY | mr | 25 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 3.0 | 3.0 | 7.5 | 7.5 | 1.5 | 2.5 | 0.67 |
| Cal Quantrill | ChW | sp | 25 | 5 | 3 | 0 | 3 | 1 | 0 | 0 | 3 | 9.8 | 2.2 | 12.2 | 8.4 | 2.0 | 3.8 | 1.33 |
| Sean Reid-Foley | Min | sp | 24 | 2 | 0 | 3 | 4 | 4 | 1 | 3 | 3 | 9.6 | 7.5 | 18.3 | 6.1 | 1.5 | 0.8 | 1.90 |
| Alex Reyes | ChW | mr | 25 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.5 | 9.0 | 13.5 | 0.0 | 0.0 | 0.0 | 1.50 |
| Trevor Richards | KC | sp | 27 | 3 | 2 | 0 | 4 | 7 | 0 | 1 | 7 | 9.2 | 3.2 | 12.7 | 7.4 | 1.4 | 2.3 | 1.38 |
| Tanner Roark | Tor | sp | 33 | 3 | 4 | 1 | 19 | 2 | 0 | 0 | 7 | 11.0 | 3.0 | 15.0 | 8.6 | 2.0 | 2.9 | 1.56 |
| Hansel Robles | Tor | cl | 29 | 3 | 0 | 0 | 0 | 9 | 2 | 1 | 2 | 6.6 | 3.1 | 9.7 | 10.2 | 0.4 | 3.3 | 1.07 |
| Richard Rodriguez | Sea | mr | 30 | 5 | 1 | 1 | 1 | 2 | 0 | 1 | 3 | 9.9 | 3.9 | 13.9 | 8.4 | 1.7 | 2.2 | 1.53 |
| Chaz Roe | Cle | mr | 33 | 5 | 2 | 2 | 2 | 4 | 4 | 0 | 1 | 9.0 | 5.3 | 14.5 | 11.1 | 0.4 | 2.1 | 1.59 |
| Fernando Romero | Det | mr | 25 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9.0 | 9.0 | 18.0 | 18.0 | 0.0 | 2.0 | 2.00 |
| Randy Rosario* | Tex | mr | 26 | 0 | 0 | 2 | 0 | 1 | 0 | 2 | 0 | 8.8 | 4.2 | 13.0 | 7.4 | 0.9 | 1.8 | 1.45 |
| Kyle Ryan* | ChW | mr | 28 | 1 | 1 | 1 | 1 | 1 | 0 | 1 | 1 | 8.3 | 4.8 | 13.2 | 7.1 | 1.0 | 1.5 | 1.45 |
| Max Scherzer | Oak | sp | 35 | 8 | 3 | 4 | 9 | 0 | 0 | 1 | 5 | 7.6 | 2.2 | 10.2 | 12.3 | 1.0 | 5.7 | 1.08 |
| Justin Shafer | KC | mr | 27 | 3 | 2 | 3 | 1 | 0 | 0 | 0 | 5 | 9.3 | 7.0 | 16.5 | 9.2 | 0.3 | 1.3 | 1.81 |
| Bryan Shaw | Tex | mr | 32 | 5 | 1 | 0 | 6 | 2 | 0 | 1 | 2 | 8.0 | 3.7 | 12.3 | 6.0 | 1.0 | 1.6 | 1.30 |
| Matt Shoemaker | Sea | sp | 33 | 1 | 1 | 0 | 4 | 2 | 0 | 0 | 0 | 4.6 | 3.5 | 9.0 | 9.9 | 1.1 | 2.8 | 0.90 |
| Lucas Sims | Det | mr | 26 | 2 | 0 | 0 | 4 | 3 | 0 | 0 | 1 | 7.3 | 3.8 | 11.6 | 11.3 | 1.7 | 3.0 | 1.23 |
| Tony Sipp* | Sea | mr | 36 | 1 | 1 | 1 | 1 | 1 | 0 | 1 | 1 | 8.9 | 4.1 | 13.3 | 7.2 | 0.0 | 1.8 | 1.45 |
| Tyler Skaggs* | Tex | sp | 28 | 0 | 0 | 0 | 1 | 0 | 2 | 2 | 2 | 9.1 | 4.4 | 13.9 | 8.0 | 1.1 | 1.8 | 1.50 |
| Burch Smith | KC | mr | 30 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 15.4 | 9.6 | 25.1 | 5.8 | 1.9 | 0.6 | 2.79 |
| Will M Smith* | Min | cl | 30 | 0 | 0 | 1 | 0 | 3 | 0 | 1 | 0 | 6.6 | 3.6 | 10.2 | 10.7 | 1.9 | 3.0 | 1.13 |
| Drew Smyly* | Hou | sp | 31 | 7 | 0 | 1 | 4 | 7 | 0 | 1 | 3 | 12.4 | 5.7 | 18.4 | 9.0 | 3.9 | 1.6 | 2.00 |
| Mike Soroka | TB | sp | 22 | 10 | 3 | 2 | 7 | 4 | 0 | 1 | 7 | 9.5 | 2.9 | 12.7 | 7.0 | 0.8 | 2.4 | 1.38 |
| Craig Stammen | Hou | mr | 36 | 2 | 0 | 1 | 3 | 0 | 0 | 0 | 0 | 10.2 | 2.2 | 12.9 | 8.6 | 1.4 | 3.9 | 1.38 |
| Josh Staumont | TB | mr | 26 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2.8 | 2.8 | 5.7 | 5.7 | 0.0 | 2.0 | 0.63 |
| Robert Stephenson | Bal | mr | 27 | 5 | 0 | 5 | 0 | 6 | 0 | 1 | 4 | 5.1 | 2.8 | 7.9 | 11.0 | 1.5 | 3.9 | 0.88 |
| Kohl Stewart | Sea | mr | 25 | 3 | 2 | 0 | 3 | 7 | 1 | 0 | 4 | 15.8 | 3.7 | 20.2 | 4.3 | 2.2 | 1.2 | 2.17 |
| Hunter Strickland | LAA | mr | 31 | 1 | 2 | 1 | 2 | 3 | 0 | 0 | 0 | 11.8 | 4.8 | 18.0 | 6.9 | 2.1 | 1.4 | 1.85 |
| Ross Stripling | Tex | mr | 30 | 5 | 3 | 0 | 1 | 6 | 0 | 1 | 3 | 11.2 | 2.7 | 14.0 | 10.0 | 1.7 | 3.7 | 1.55 |
| Marcus Stroman | TB | sp | 29 | 9 | 2 | 4 | 1 | 8 | 0 | 1 | 9 | 8.7 | 3.6 | 12.4 | 7.7 | 0.8 | 2.1 | 1.37 |
| Daniel Stumpf* | Det | mr | 29 | 0 | 0 | 2 | 0 | 1 | 0 | 0 | 0 | 6.9 | 3.7 | 10.6 | 9.0 | 1.1 | 2.4 | 1.18 |
| Jose Suarez* | Cle | sp | 22 | 9 | 0 | 2 | 16 | 4 | 2 | 1 | 6 | 11.8 | 3.8 | 17.1 | 8.1 | 3.2 | 2.1 | 1.73 |
| Ranger Suarez* | Cle | mr | 24 | 0 | 0 | 1 | 5 | 1 | 2 | 0 | 3 | 11.4 | 1.0 | 13.1 | 6.8 | 1.1 | 6.9 | 1.37 |
| Wander Suero | Tor | mr | 28 | 3 | 2 | 1 | 2 | 4 | 4 | 0 | 8 | 7.9 | 2.8 | 11.0 | 9.5 | 0.8 | 3.4 | 1.20 |
| Noah Syndergaard | TB | sp | 27 | 20 | 4 | 1 | 4 | 2 | 0 | 2 | 7 | 8.5 | 2.6 | 11.3 | 9.5 | 0.6 | 3.6 | 1.23 |
| Masahiro Tanaka | ChW | sp | 31 | 2 | 1 | 0 | 3 | 6 | 0 | 0 | 7 | 9.3 | 1.9 | 11.4 | 7.0 | 1.6 | 3.6 | 1.25 |
| Julio Teheran | NYY | sp | 29 | 13 | 2 | 1 | 18 | 5 | 2 | 2 | 3 | 6.8 | 3.9 | 11.5 | 8.2 | 1.3 | 2.1 | 1.19 |
| Lewis Thorpe* | ChW | mr | 24 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 12.5 | 8.3 | 20.8 | 20.8 | 0.0 | 2.5 | 2.31 |
| Josh Tomlin | LAA | mr | 35 | 2 | 0 | 1 | 1 | 4 | 0 | 0 | 4 | 8.9 | 0.9 | 9.9 | 5.0 | 1.1 | 5.8 | 1.09 |
| Touki Toussaint | LAA | mr | 24 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 8.5 | 5.0 | 14.2 | 8.5 | 0.0 | 1.7 | 1.50 |
| Sam Tuivailala | Det | mr | 27 | 0 | 0 | 0 | 2 | 1 | 0 | 0 | 0 | 6.5 | 4.8 | 11.7 | 12.3 | 0.4 | 2.6 | 1.25 |
| Spencer Turnbull | Bal | sp | 27 | 8 | 1 | 5 | 19 | 14 | 0 | 3 | 3 | 7.9 | 4.4 | 13.3 | 8.9 | 0.9 | 2.0 | 1.37 |
| Duane Underwood | Bal | mr | 25 | 0 | 0 | 1 | 2 | 2 | 0 | 0 | 2 | 5.6 | 2.8 | 9.3 | 10.1 | 1.2 | 3.6 | 0.94 |
| Jose Urena | Min | sp | 28 | 2 | 1 | 4 | 2 | 2 | 0 | 0 | 2 | 10.7 | 3.4 | 14.4 | 6.9 | 1.1 | 2.0 | 1.57 |
| Julio Urias* | Bal | mr | 23 | 4 | 1 | 1 | 6 | 3 | 1 | 0 | 4 | 7.1 | 3.8 | 11.4 | 9.1 | 1.0 | 2.4 | 1.21 |
| Jose Urquidy | Sea | sp | 25 | 1 | 3 | 0 | 0 | 6 | 0 | 2 | 1 | 7.8 | 1.9 | 9.7 | 9.9 | 0.7 | 5.3 | 1.07 |
| Vincent Velasquez | Tor | sp | 28 | 5 | 1 | 0 | 8 | 5 | 0 | 0 | 8 | 9.7 | 3.2 | 13.4 | 9.2 | 1.7 | 2.9 | 1.43 |
| Hector Velazquez | Sea | mr | 31 | 2 | 0 | 1 | 2 | 4 | 0 | 3 | 2 | 9.7 | 4.4 | 14.3 | 9.2 | 1.2 | 2.1 | 1.57 |
| Justin Verlander | Hou | sp | 37 | 8 | 4 | 1 | 8 | 5 | 0 | 1 | 4 | 7.4 | 2.3 | 10.0 | 12.1 | 1.8 | 5.2 | 1.08 |
| Nick Vincent | Bos | mr | 33 | 3 | 1 | 0 | 8 | 2 | 1 | 0 | 5 | 9.3 | 2.9 | 13.1 | 8.7 | 1.4 | 3.0 | 1.35 |
| Austin Voth | Oak | sp | 28 | 1 | 1 | 2 | 5 | 1 | 0 | 0 | 3 | 5.8 | 2.6 | 9.2 | 9.5 | 0.3 | 3.6 | 0.93 |
| Michael Wacha | Bos | sp | 28 | 5 | 2 | 0 | 6 | 0 | 0 | 2 | 2 | 9.9 | 3.5 | 13.8 | 7.7 | 1.7 | 2.2 | 1.48 |
| Jacob Waguespack | Tor | sp | 26 | 3 | 0 | 0 | 9 | 1 | 0 | 3 | 2 | 8.3 | 3.2 | 12.4 | 7.3 | 1.7 | 2.3 | 1.28 |
| Taijuan Walker | Hou | sp | 27 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.0 | 6.0 | 12.0 | 6.0 | 0.0 | 1.0 | 1.33 |
| Jared Walsh* | Bal | 1b | 26 | 3 | 0 | 1 | 1 | 2 | 0 | 0 | 0 | 8.6 | 11.7 | 20.9 | 6.1 | 0.6 | 0.5 | 2.25 |
| Wei-Chung Wang* | Det | mr | 28 | 2 | 0 | 2 | 0 | 2 | 0 | 0 | 2 | 13.8 | 5.3 | 19.1 | 6.3 | 2.0 | 1.2 | 2.12 |
| Art Warren | ChW | mr | 27 | 1 | 0 | 0 | 1 | 2 | 0 | 0 | 0 | 6.6 | 4.0 | 11.2 | 4.6 | 0.7 | 1.2 | 1.17 |
| Tony Watson* | NYY | mr | 35 | 1 | 0 | 1 | 2 | 1 | 0 | 0 | 1 | 9.5 | 2.4 | 12.5 | 6.5 | 1.5 | 2.8 | 1.32 |
| Luke Weaver | ChW | sp | 26 | 1 | 0 | 0 | 2 | 0 | 0 | 1 | 1 | 6.7 | 2.8 | 9.7 | 9.8 | 1.3 | 3.5 | 1.06 |
| Logan Webb | Bos | sp | 23 | 0 | 4 | 0 | 1 | 2 | 0 | 1 | 1 | 8.8 | 3.5 | 12.5 | 8.9 | 0.8 | 2.5 | 1.37 |
| Tyler Webb* | NYY | mr | 29 | 1 | 1 | 2 | 2 | 1 | 0 | 0 | 0 | 5.6 | 3.1 | 8.9 | 6.3 | 2.1 | 2.0 | 0.96 |
| Ryan Weber | Cle | mr | 29 | 1 | 0 | 0 | 1 | 4 | 0 | 0 | 1 | 7.3 | 1.1 | 8.8 | 4.4 | 0.0 | 4.0 | 0.93 |
| Trey Wingenter | NYY | mr | 26 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.4 | 0.0 | 5.4 | 8.1 | 0.0 | 99.0 | 0.60 |
| Daniel Winkler | Tex | mr | 30 | 0 | 0 | 1 | 1 | 3 | 0 | 1 | 0 | 9.7 | 6.1 | 16.1 | 8.4 | 2.8 | 1.4 | 1.76 |
| Matt Wisler | Sea | mr | 27 | 3 | 1 | 1 | 3 | 8 | 1 | 1 | 1 | 9.7 | 3.5 | 13.5 | 10.5 | 1.6 | 3.0 | 1.47 |
| Nick Wittgren | ChW | mr | 29 | 1 | 0 | 1 | 0 | 0 | 0 | 1 | 2 | 7.1 | 3.5 | 10.5 | 9.0 | 1.5 | 2.6 | 1.17 |
| Alex Wood* | Bal | sp | 29 | 2 | 1 | 2 | 1 | 2 | 1 | 0 | 1 | 9.9 | 3.4 | 13.5 | 8.5 | 3.0 | 2.5 | 1.48 |
| Kyle Wright | Sea | sp | 24 | 3 | 1 | 0 | 0 | 1 | 0 | 0 | 1 | 8.5 | 6.1 | 14.6 | 7.9 | 1.5 | 1.3 | 1.62 |
| Jimmy Yacabonis | Min | mr | 28 | 7 | 0 | 0 | 1 | 9 | 0 | 1 | 3 | 13.0 | 5.3 | 18.5 | 8.9 | 1.9 | 1.7 | 2.03 |
| Ryan Yarbrough* | LAA | sp | 28 | 5 | 2 | 1 | 5 | 0 | 0 | 1 | 0 | 8.3 | 2.1 | 10.7 | 6.3 | 1.0 | 3.0 | 1.16 |
| Kirby Yates | NYY | cl | 33 | 4 | 1 | 0 | 5 | 1 | 0 | 1 | 0 | 4.5 | 1.4 | 6.5 | 13.9 | 0.1 | 9.8 | 0.66 |
| T.J. Zeuch | LAA | sp | 24 | 0 | 1 | 0 | 1 | 2 | 0 | 2 | 1 | 6.3 | 2.2 | 8.9 | 7.4 | 1.1 | 3.3 | 0.95 |
| Jordan Zimmermann | Cle | sp | 34 | 7 | 2 | 5 | 5 | 3 | 0 | 1 | 5 | 10.4 | 2.2 | 12.8 | 5.8 | 1.0 | 2.7 | 1.39 |
| Analytical |
| Name | Team | P | Age | OPS | BIP | IPAVG | TBW | TBW/BF | TBWH | TBWH/BF | RC | RC27 | RCERA | CERA |
| Jason Adam | Tor | mr | 28 | .720 | 15 | .200 | 11 | .407 | 14 | .519 | 3.3 | 5.2 | 4.67 | 3.72 |
| Austin L Adams | LAA | mr | 29 | .623 | 82 | .317 | 68 | .386 | 71 | .403 | 16.6 | 3.7 | 3.39 | 3.62 |
| Dario Agrazal | KC | sp | 25 | .744 | 345 | .235 | 209 | .458 | 219 | .480 | 56.9 | 4.8 | 4.39 | 4.35 |
| Matt Albers |   | mr | 37 | .747 | 150 | .293 | 97 | .445 | 103 | .472 | 26.4 | 4.7 | 4.27 | 4.27 |
| Kolby Allard* | Min | sp | 22 | .768 | 128 | .305 | 83 | .466 | 84 | .472 | 23.4 | 5.2 | 4.70 | 5.13 |
| Dan Altavilla | Tex | mr | 27 | .730 | 51 | .294 | 40 | .449 | 41 | .461 | 10.8 | 5.2 | 4.87 | 5.25 |
| Brett Anderson* | TB | sp | 32 | .779 | 567 | .310 | 346 | .466 | 352 | .474 | 98.1 | 5.3 | 4.76 | 5.13 |
| Chase Anderson | TB | sp | 32 | .765 | 358 | .279 | 255 | .476 | 265 | .494 | 69.9 | 5.0 | 4.57 | 4.24 |
| Justin Anderson | TB | mr | 27 | .709 | 130 | .269 | 105 | .459 | 108 | .472 | 26.6 | 4.6 | 4.17 | 3.69 |
| Tanner Anderson | Cle | sp | 27 | .778 | 99 | .354 | 62 | .463 | 62 | .463 | 18.4 | 5.4 | 4.85 | 5.27 |
| Tyler Anderson* | Oak | sp | 30 | 1.401 | 34 | .294 | 55 | .965 | 55 | .965 | 20.8 | 16.5 | 14.88 | 13.82 |
| Rogelio Armenteros | Oak | cl | 26 | .618 | 57 | .333 | 35 | .372 | 35 | .372 | 8.3 | 3.2 | 2.87 | 2.76 |
| Shawn Armstrong | Hou | mr | 29 | .941 | 196 | .347 | 166 | .582 | 169 | .593 | 54.6 | 8.4 | 7.62 | 7.90 |
| Jake Arrieta | KC | sp | 34 | .746 | 464 | .287 | 298 | .452 | 308 | .467 | 82.5 | 4.8 | 4.39 | 4.53 |
| Luis Avilan* | TB | mr | 30 | .687 | 101 | .267 | 68 | .422 | 71 | .441 | 15.0 | 3.4 | 3.13 | 3.49 |
| Luke Bard | Oak | mr | 29 | .844 | 182 | .302 | 136 | .515 | 142 | .538 | 38.1 | 5.7 | 5.11 | 5.65 |
| Scott Barlow | Min | mr | 27 | .705 | 130 | .308 | 103 | .452 | 104 | .456 | 26.6 | 4.5 | 4.14 | 3.92 |
| Matt Barnes |   | mr | 30 | .672 | 148 | .392 | 123 | .410 | 124 | .413 | 29.8 | 3.8 | 3.42 | 3.75 |
| Trevor Bauer | Det | sp | 29 | .779 | 508 | .321 | 438 | .485 | 459 | .508 | 122.9 | 5.4 | 4.92 | 4.55 |
| Gerson Bautista | Tex | mr | 25 | 1.339 | 32 | .594 | 44 | .800 | 44 | .800 | 21.6 | 21.6 | 19.42 | 18.92 |
| Jalen Beeks* | Bos | mr | 26 | .749 | 280 | .321 | 180 | .447 | 186 | .462 | 50.6 | 5.0 | 4.47 | 4.44 |
| Dellin Betances | Oak | mr | 32 | 1.055 | 10 | .400 | 7 | .636 | 7 | .636 | 2.3 | 8.8 | 7.90 | 8.25 |
| Richard Bleier* | TB | mr | 33 | .673 | 228 | .294 | 121 | .394 | 125 | .407 | 29.5 | 3.6 | 3.27 | 3.20 |
| Jerry Blevins* | Sea | mr | 36 | .695 | 116 | .207 | 84 | .457 | 86 | .467 | 20.2 | 4.3 | 3.92 | 4.03 |
| Ronald Bolanos | Bos | sp | 23 | .677 | 56 | .232 | 41 | .441 | 42 | .452 | 10.2 | 4.4 | 4.00 | 4.08 |
| Ryan Borucki* | Min | sp | 26 | 1.316 | 22 | .545 | 26 | .788 | 26 | .788 | 12.9 | 24.8 | 20.84 | 18.76 |
| Matt Bowman | Hou | mr | 29 | .466 | 62 | .226 | 25 | .281 | 25 | .281 | 5.0 | 2.0 | 1.79 | 1.47 |
| Brad Boxberger | TB | mr | 32 | .786 | 56 | .321 | 38 | .463 | 39 | .476 | 12.7 | 6.6 | 5.94 | 5.68 |
| Matt Boyd* | LAA | sp | 29 | .829 | 492 | .325 | 428 | .526 | 438 | .538 | 122.6 | 5.9 | 5.31 | 5.02 |
| Brad Brach | ChW | mr | 34 | .540 | 87 | .264 | 46 | .324 | 48 | .338 | 8.7 | 2.2 | 1.98 | 2.33 |
| Brandon Brennan | Det | mr | 28 | .974 | 129 | .349 | 128 | .624 | 130 | .634 | 39.1 | 7.9 | 7.30 | 7.21 |
| Colten Brewer | Tex | mr | 27 | .935 | 173 | .364 | 183 | .579 | 187 | .592 | 60.2 | 8.9 | 8.22 | 9.25 |
| Zack Britton* | Oak | mr | 32 | .543 | 189 | .228 | 103 | .347 | 103 | .347 | 15.9 | 1.8 | 1.63 | 2.01 |
| Ryan Buchter* | NYY | mr | 33 | .942 | 61 | .377 | 73 | .598 | 74 | .607 | 23.2 | 8.7 | 7.82 | 8.45 |
| Madison Bumgarner* | LAA | sp | 30 | .767 | 624 | .282 | 454 | .490 | 461 | .497 | 115.0 | 4.6 | 4.22 | 3.91 |
| Dylan Bundy | NYY | sp | 27 | .715 | 510 | .302 | 360 | .446 | 366 | .454 | 89.9 | 4.2 | 3.75 | 3.81 |
| Corbin Burnes | NYY | mr | 25 | 1.189 | 50 | .360 | 75 | .789 | 75 | .789 | 26.7 | 12.6 | 11.17 | 11.68 |
| Genesis Cabrera* | Oak | mr | 23 | .715 | 61 | .279 | 39 | .438 | 40 | .449 | 10.1 | 4.5 | 4.08 | 4.84 |
| Trevor Cahill | Bal | mr | 32 | 1.011 | 328 | .308 | 332 | .650 | 340 | .665 | 109.1 | 9.1 | 8.16 | 7.89 |
| Griffin Canning | TB | sp | 24 | .916 | 278 | .327 | 268 | .584 | 272 | .593 | 86.8 | 8.2 | 7.35 | 6.62 |
| Ryan Carpenter* | Cle | sp | 29 | 1.112 | 185 | .324 | 176 | .710 | 178 | .718 | 63.6 | 11.2 | 10.04 | 9.79 |
| Andrew Cashner | Cle | sp | 33 | .746 | 497 | .268 | 314 | .460 | 321 | .471 | 84.1 | 4.9 | 4.39 | 4.69 |
| Miguel Castro | Sea | mr | 25 | .681 | 223 | .283 | 151 | .431 | 152 | .434 | 37.5 | 4.2 | 3.79 | 3.93 |
| Jhoulys Chacin | KC | sp | 32 | .899 | 418 | .335 | 358 | .563 | 362 | .569 | 112.6 | 7.5 | 6.86 | 6.96 |
| Andrew Chafin* | LAA | mr | 30 | .676 | 112 | .348 | 78 | .398 | 80 | .408 | 21.2 | 4.2 | 3.87 | 4.03 |
| Aroldis Chapman* | Tor | cl | 32 | .664 | 44 | .364 | 37 | .416 | 38 | .427 | 8.6 | 3.7 | 3.36 | 3.36 |
| Tyler Chatwood | NYY | mr | 30 | .730 | 119 | .235 | 98 | .483 | 99 | .488 | 22.3 | 4.2 | 3.80 | 4.51 |
| Yonny Chirinos | Det | sp | 26 | .707 | 425 | .254 | 279 | .451 | 285 | .460 | 65.0 | 3.8 | 3.44 | 3.20 |
| Steve Cishek | Bos | mr | 34 | .677 | 166 | .223 | 121 | .425 | 129 | .453 | 27.9 | 3.8 | 3.43 | 3.93 |
| Aaron Civale | Cle | sp | 25 | .626 | 233 | .288 | 126 | .378 | 129 | .387 | 29.2 | 3.2 | 2.96 | 2.44 |
| Taylor Clarke | Tor | sp | 27 | .953 | 248 | .327 | 210 | .598 | 215 | .613 | 70.2 | 8.5 | 7.86 | 7.17 |
| Alex Claudio* | Tex | mr | 28 | .770 | 228 | .281 | 151 | .473 | 157 | .492 | 39.9 | 4.9 | 4.40 | 4.42 |
| Tyler Clippard | Oak | mr | 35 | .696 | 187 | .230 | 144 | .462 | 149 | .478 | 33.7 | 4.0 | 3.60 | 2.91 |
| Alex Cobb | Bal | sp | 32 | 1.130 | 66 | .212 | 79 | .806 | 79 | .806 | 25.1 | 10.4 | 9.39 | 8.57 |
| Alex Colome | Min | cl | 31 | .565 | 203 | .182 | 122 | .373 | 126 | .385 | 23.9 | 2.6 | 2.32 | 2.04 |
| Dylan Covey | LAA | sp | 28 | .985 | 37 | .378 | 30 | .566 | 31 | .585 | 11.7 | 10.9 | 9.50 | 9.32 |
| Kyle Crick | Bal | mr | 27 | .995 | 165 | .273 | 191 | .641 | 197 | .661 | 60.3 | 8.7 | 7.84 | 8.56 |
| Johnny Cueto | Oak | sp | 34 | .964 | 66 | .258 | 62 | .646 | 62 | .646 | 16.7 | 6.7 | 6.06 | 6.07 |
| Yu Darvish | LAA | sp | 33 | .725 | 471 | .259 | 376 | .468 | 388 | .483 | 94.6 | 4.4 | 3.98 | 3.67 |
| Austin Davis* | Tex | mr | 27 | 1.029 | 56 | .268 | 80 | .650 | 85 | .691 | 25.7 | 9.2 | 8.31 | 9.26 |
| Jose De Leon | Bal | mr | 27 | 1.076 | 33 | .485 | 32 | .552 | 37 | .638 | 14.6 | 15.1 | 13.62 | 16.53 |
| Anthony DeSclafani | Min | sp | 30 | .738 | 530 | .281 | 397 | .475 | 401 | .480 | 103.3 | 4.7 | 4.20 | 3.69 |
| Chris Devenski | KC | mr | 29 | .899 | 96 | .323 | 88 | .561 | 92 | .586 | 27.5 | 7.1 | 6.55 | 6.40 |
| Edwin Diaz | NYY | cl | 26 | .802 | 91 | .286 | 93 | .528 | 96 | .545 | 24.3 | 5.1 | 4.65 | 4.36 |
| Jake Diekman* | TB | mr | 33 | .652 | 143 | .301 | 107 | .399 | 112 | .418 | 26.2 | 3.9 | 3.52 | 3.89 |
| Randy Dobnak | Oak | sp | 25 | .619 | 173 | .272 | 83 | .335 | 94 | .379 | 21.6 | 3.2 | 2.99 | 3.18 |
| Sean Doolittle* | Cle | cl | 33 | .885 | 179 | .380 | 156 | .555 | 158 | .562 | 50.0 | 7.4 | 6.71 | 6.09 |
| Oliver Drake | LAA | mr | 33 | .721 | 123 | .260 | 101 | .479 | 101 | .479 | 23.2 | 4.0 | 3.66 | 3.35 |
| Tyler Duffey | TB | mr | 29 | .584 | 179 | .307 | 125 | .363 | 126 | .366 | 27.9 | 3.0 | 2.73 | 2.77 |
| Danny Duffy* | NYY | sp | 31 | .717 | 500 | .260 | 344 | .451 | 354 | .464 | 80.4 | 3.9 | 3.53 | 3.87 |
| Robert Dugger | KC | sp | 24 | .744 | 124 | .226 | 79 | .441 | 87 | .486 | 19.6 | 4.2 | 3.76 | 4.01 |
| Justin Dunn | Hou | sp | 24 | .944 | 33 | .212 | 37 | .627 | 38 | .644 | 9.3 | 6.1 | 5.53 | 7.11 |
| Jon Duplantier | Sea | mr | 25 | .985 | 69 | .507 | 60 | .561 | 62 | .579 | 22.6 | 10.0 | 9.02 | 8.95 |
| Sam Dyson | Min | mr | 32 | .605 | 171 | .263 | 95 | .363 | 101 | .385 | 21.5 | 2.9 | 2.67 | 2.30 |
| Carl Edwards | Bal | mr | 28 | .656 | 70 | .143 | 61 | .445 | 64 | .467 | 14.4 | 4.1 | 3.72 | 3.91 |
| Nathan Eovaldi | Tex | sp | 30 | .990 | 172 | .366 | 175 | .623 | 176 | .626 | 56.0 | 8.6 | 7.87 | 8.71 |
| Carlos Estevez | NYY | mr | 27 | .728 | 179 | .291 | 136 | .471 | 136 | .471 | 34.6 | 4.5 | 4.16 | 3.89 |
| Marco Estrada | Det | sp | 36 | .996 | 27 | .333 | 24 | .649 | 24 | .649 | 8.2 | 9.7 | 8.71 | 7.81 |
| Peter Fairbanks | Det | mr | 26 | .000 | 4 | .000 | 0 | .000 | 0 | .000 | 0.0 | 0.0 | 0.00 | 0.00 |
| Buck Farmer | Min | mr | 29 | .709 | 86 | .291 | 63 | .450 | 64 | .457 | 13.3 | 3.4 | 3.09 | 3.54 |
| Erick Fedde | Sea | sp | 27 | .770 | 354 | .280 | 225 | .478 | 228 | .484 | 57.1 | 4.6 | 4.18 | 4.58 |
| Michael Feliz | Cle | mr | 27 | .814 | 162 | .259 | 166 | .535 | 170 | .548 | 43.6 | 5.5 | 5.10 | 5.38 |
| Matt Festa | Min | mr | 27 | .671 | 65 | .277 | 46 | .407 | 49 | .434 | 12.5 | 4.4 | 3.93 | 2.97 |
| Jack Flaherty | Det | sp | 24 | .690 | 564 | .285 | 393 | .438 | 398 | .443 | 92.4 | 3.8 | 3.41 | 3.38 |
| Dylan Floro | Min | mr | 29 | .583 | 139 | .237 | 70 | .365 | 70 | .365 | 14.3 | 2.6 | 2.39 | 1.87 |
| Kyle Freeland* | ChW | sp | 27 | .871 | 243 | .276 | 186 | .562 | 187 | .565 | 51.4 | 6.0 | 5.48 | 5.54 |
| Max Fried* | Oak | sp | 26 | .835 | 534 | .328 | 430 | .528 | 436 | .535 | 122.3 | 5.9 | 5.30 | 5.25 |
| Jace Fry* | Cle | mr | 26 | .601 | 85 | .235 | 72 | .393 | 76 | .415 | 14.2 | 3.0 | 2.70 | 3.08 |
| Paul Fry* | Oak | mr | 27 | .691 | 132 | .235 | 104 | .458 | 106 | .467 | 21.6 | 3.4 | 3.07 | 3.14 |
| Giovanny Gallegos | Hou | mr | 28 | .663 | 182 | .225 | 144 | .442 | 147 | .451 | 31.2 | 3.4 | 3.15 | 2.77 |
| Jarlin Garcia* | LAA | mr | 27 | .508 | 212 | .175 | 98 | .331 | 99 | .334 | 18.0 | 2.1 | 1.90 | 1.61 |
| Luis Garcia | KC | mr | 33 | .784 | 154 | .247 | 124 | .502 | 128 | .518 | 32.0 | 5.1 | 4.65 | 5.30 |
| Yimi Garcia | KC | mr | 29 | .709 | 110 | .227 | 91 | .469 | 94 | .485 | 22.9 | 4.3 | 3.88 | 3.29 |
| Cory Gearrin | Oak | mr | 34 | .743 | 70 | .286 | 50 | .455 | 53 | .482 | 14.1 | 5.5 | 4.89 | 5.20 |
| Kyle Gibson | Oak | sp | 32 | .855 | 429 | .331 | 366 | .534 | 375 | .547 | 104.8 | 6.0 | 5.45 | 5.65 |
| Ken Giles | ChW | cl | 29 | .554 | 144 | .271 | 96 | .353 | 98 | .360 | 19.4 | 2.5 | 2.24 | 1.82 |
| Tyler Glasnow | Sea | sp | 26 | .588 | 225 | .271 | 131 | .363 | 134 | .371 | 29.5 | 2.9 | 2.61 | 2.38 |
| Zack Godley | Bos | mr | 30 | .915 | 286 | .311 | 230 | .568 | 238 | .588 | 73.1 | 7.4 | 6.68 | 6.29 |
| Gio Gonzalez* | ChW | sp | 34 | .720 | 323 | .294 | 212 | .448 | 213 | .450 | 53.1 | 4.3 | 3.87 | 3.95 |
| Nick Goody | TB | mr | 28 | .929 | 69 | .290 | 80 | .615 | 81 | .623 | 24.7 | 8.0 | 7.33 | 7.17 |
| Jon Gray | Hou | sp | 28 | .798 | 482 | .311 | 364 | .498 | 372 | .509 | 99.6 | 5.3 | 4.79 | 4.77 |
| Chad Green | Oak | mr | 29 | .788 | 231 | .299 | 212 | .504 | 217 | .515 | 56.3 | 5.2 | 4.78 | 4.94 |
| Robert Gsellman | Oak | mr | 26 | .643 | 198 | .273 | 113 | .375 | 122 | .405 | 27.5 | 3.3 | 3.02 | 2.90 |
| Javy A Guerra | Tex | mr | 24 | .798 | 38 | .237 | 30 | .517 | 31 | .534 | 7.6 | 5.0 | 4.60 | 4.89 |
| Javy L Guerra | Det | mr | 34 | .815 | 291 | .326 | 210 | .510 | 211 | .512 | 61.5 | 5.9 | 5.36 | 5.06 |
| Junior Guerra | Hou | mr | 35 | .598 | 245 | .237 | 147 | .383 | 149 | .388 | 31.6 | 3.0 | 2.68 | 2.46 |
| Tayron Guerrero | Sea | mr | 29 | .947 | 149 | .309 | 170 | .614 | 172 | .621 | 53.3 | 8.8 | 7.89 | 8.66 |
| David Hale | Oak | mr | 32 | .656 | 147 | .272 | 78 | .400 | 80 | .410 | 19.1 | 3.6 | 3.27 | 2.58 |
| Matt Hall* | Bal | mr | 26 | .926 | 103 | .330 | 116 | .583 | 119 | .598 | 37.5 | 8.4 | 7.60 | 7.76 |
| Cole Hamels* | Hou | sp | 36 | .776 | 490 | .304 | 345 | .481 | 349 | .486 | 96.8 | 5.3 | 4.89 | 4.85 |
| Brad Hand* | Hou | cl | 30 | .747 | 164 | .317 | 127 | .470 | 129 | .478 | 34.0 | 4.9 | 4.37 | 4.08 |
| Will Harris | Det | mr | 35 | .676 | 190 | .289 | 133 | .422 | 135 | .429 | 30.4 | 3.6 | 3.29 | 3.65 |
| Matt Harvey | Sea | sp | 31 | .949 | 238 | .303 | 211 | .606 | 211 | .606 | 67.8 | 8.5 | 7.78 | 7.83 |
| Jeremy Hellickson | Bos | sp | 33 | .773 | 152 | .316 | 108 | .486 | 108 | .486 | 27.5 | 4.7 | 4.18 | 4.52 |
| Heath Hembree | Cle | mr | 31 | .939 | 138 | .275 | 156 | .617 | 162 | .640 | 47.2 | 7.5 | 6.83 | 6.31 |
| Liam Hendriks | Bal | cl | 31 | .744 | 264 | .367 | 204 | .459 | 205 | .462 | 54.3 | 4.7 | 4.16 | 3.86 |
| David Hernandez | Min | mr | 35 | .818 | 170 | .388 | 154 | .519 | 156 | .525 | 42.6 | 5.7 | 5.12 | 4.44 |
| Felix Hernandez | Cle | sp | 34 | .967 | 272 | .346 | 242 | .610 | 245 | .617 | 74.0 | 7.7 | 7.08 | 7.63 |
| Jonathan Hernandez | Tex | mr | 23 | .841 | 47 | .255 | 46 | .554 | 46 | .554 | 11.7 | 5.9 | 5.34 | 7.02 |
| David Hess | Min | sp | 26 | 1.191 | 120 | .350 | 143 | .786 | 143 | .786 | 54.4 | 13.7 | 12.83 | 12.81 |
| Jordan Hicks | ChW | cl | 23 | .447 | 65 | .231 | 29 | .282 | 29 | .282 | 4.1 | 1.3 | 1.17 | 1.12 |
| Rich Hill* | Hou | sp | 40 | .843 | 201 | .338 | 199 | .544 | 204 | .557 | 55.4 | 5.8 | 5.30 | 5.33 |
| Jeff Hoffman | Hou | sp | 27 | .875 | 236 | .258 | 213 | .568 | 218 | .581 | 59.2 | 6.2 | 5.49 | 5.69 |
| Jonathan Holder | Det | mr | 27 | .773 | 70 | .286 | 53 | .500 | 54 | .509 | 14.4 | 5.1 | 4.62 | 4.06 |
| Greg Holland | TB | cl | 34 | .826 | 112 | .286 | 108 | .527 | 112 | .546 | 30.1 | 6.1 | 5.50 | 5.79 |
| Clay Holmes | Hou | mr | 27 | .703 | 141 | .270 | 107 | .435 | 114 | .463 | 29.5 | 4.9 | 4.39 | 4.32 |
| James Hoyt | ChW | mr | 33 | .778 | 24 | .292 | 14 | .452 | 14 | .452 | 4.4 | 5.6 | 5.06 | 4.62 |
| Dakota Hudson | NYY | sp | 25 | .763 | 487 | .248 | 364 | .493 | 369 | .500 | 92.4 | 4.8 | 4.37 | 4.56 |
| Danny Hultzen* | Bal | mr | 30 | .734 | 38 | .289 | 29 | .433 | 32 | .478 | 7.9 | 5.0 | 4.49 | 5.21 |
| Tommy Hunter | Bal | mr | 33 | .609 | 30 | .167 | 16 | .410 | 16 | .410 | 1.5 | 1.1 | 1.06 | 1.97 |
| Cole Irvin* | Det | mr | 26 | .773 | 133 | .308 | 88 | .484 | 89 | .489 | 23.7 | 5.0 | 4.64 | 4.11 |
| Kenley Jansen | NYY | cl | 32 | .756 | 168 | .315 | 144 | .485 | 146 | .492 | 38.9 | 5.0 | 4.65 | 4.06 |
| Dan Jennings* | KC | mr | 33 | 1.125 | 14 | .429 | 12 | .667 | 12 | .667 | 5.3 | 15.8 | 14.20 | 16.51 |
| D.J. Johnson | Min | mr | 30 | .788 | 50 | .280 | 43 | .473 | 47 | .516 | 12.1 | 5.8 | 5.24 | 6.21 |
| Jake Junis | Tex | sp | 27 | .812 | 516 | .289 | 406 | .506 | 421 | .524 | 114.7 | 5.6 | 5.13 | 5.43 |
| Ariel Jurado | Tex | sp | 24 | .884 | 380 | .326 | 305 | .558 | 308 | .563 | 92.0 | 6.8 | 6.18 | 6.20 |
| Tommy Kahnle | Sea | mr | 30 | .772 | 143 | .329 | 138 | .498 | 140 | .505 | 34.5 | 4.8 | 4.35 | 4.56 |
| Anthony Kay* | Det | sp | 25 | .760 | 53 | .321 | 32 | .432 | 34 | .459 | 9.6 | 5.1 | 4.67 | 5.14 |
| Keone Kela | TB | mr | 27 | .696 | 94 | .234 | 64 | .444 | 66 | .458 | 15.6 | 4.1 | 3.83 | 3.24 |
| Brad Keller | Cle | sp | 24 | .747 | 581 | .270 | 369 | .456 | 383 | .473 | 95.2 | 4.5 | 4.09 | 4.19 |
| Mitch Keller | ChW | sp | 24 | 1.156 | 13 | .538 | 12 | .667 | 12 | .667 | 4.9 | 14.7 | 13.20 | 15.27 |
| Shawn Kelley | KC | mr | 36 | .719 | 97 | .320 | 58 | .426 | 59 | .434 | 14.5 | 4.0 | 3.71 | 3.79 |
| Ian Kennedy | Cle | cl | 35 | .783 | 71 | .465 | 49 | .438 | 51 | .455 | 15.9 | 5.7 | 5.07 | 5.16 |
| Tyler Kinley | Tex | mr | 29 | .875 | 200 | .320 | 165 | .550 | 166 | .553 | 50.3 | 7.0 | 6.34 | 6.65 |
| Brandon Kintzler | Tor | mr | 35 | .618 | 307 | .221 | 153 | .371 | 165 | .400 | 31.1 | 2.6 | 2.36 | 2.21 |
| Adam Kolarek* | Bos | mr | 31 | .659 | 126 | .214 | 79 | .422 | 82 | .439 | 18.2 | 3.5 | 3.16 | 2.89 |
| Travis Lakins | Tex | mr | 26 | .823 | 50 | .260 | 38 | .521 | 39 | .534 | 11.3 | 6.3 | 5.58 | 5.15 |
| Peter Lambert | KC | sp | 23 | .893 | 412 | .359 | 300 | .537 | 309 | .553 | 100.6 | 7.6 | 6.83 | 6.52 |
| Dinelson Lamet | KC | sp | 27 | .731 | 176 | .324 | 153 | .459 | 159 | .477 | 40.4 | 4.7 | 4.25 | 4.02 |
| Mike Leake | Tex | sp | 32 | .939 | 559 | .308 | 447 | .591 | 458 | .606 | 138.7 | 7.4 | 6.72 | 6.68 |
| Wade LeBlanc* | Sea | mr | 35 | .777 | 269 | .312 | 173 | .474 | 176 | .482 | 46.6 | 4.9 | 4.43 | 4.41 |
| Zack Littell | Sea | mr | 24 | .876 | 120 | .292 | 98 | .557 | 98 | .557 | 27.5 | 6.2 | 5.67 | 5.46 |
| Jonathan Loaisiga | Tor | mr | 25 | 1.113 | 33 | .515 | 35 | .660 | 36 | .679 | 12.9 | 11.3 | 10.13 | 10.99 |
| Jorge Lopez | Bal | mr | 27 | .844 | 435 | .301 | 352 | .525 | 367 | .547 | 103.0 | 6.1 | 5.50 | 5.60 |
| Reynaldo Lopez | Bal | sp | 26 | .858 | 534 | .292 | 451 | .551 | 458 | .560 | 131.3 | 6.4 | 5.86 | 5.76 |
| Yoan Lopez | ChW | mr | 27 | .802 | 160 | .250 | 120 | .522 | 121 | .526 | 31.2 | 5.1 | 4.73 | 4.45 |
| Michael Lorenzen | Tor | mr | 28 | .646 | 182 | .269 | 102 | .389 | 104 | .397 | 26.4 | 3.8 | 3.49 | 3.16 |
| Elvis Luciano | Bal | mr | 20 | .925 | 143 | .364 | 134 | .563 | 137 | .576 | 45.7 | 9.4 | 8.48 | 8.72 |
| Lance Lynn | NYY | sp | 33 | .622 | 579 | .283 | 355 | .380 | 369 | .395 | 84.2 | 3.3 | 2.99 | 2.60 |
| Matt Magill | LAA | mr | 30 | .777 | 43 | .279 | 34 | .523 | 34 | .523 | 8.8 | 5.1 | 4.65 | 3.63 |
| Tyler Mahle | Min | sp | 25 | .829 | 409 | .311 | 334 | .521 | 343 | .535 | 97.2 | 6.1 | 5.49 | 5.45 |
| Nick Margevicius* | Sea | sp | 24 | 1.011 | 275 | .345 | 244 | .640 | 248 | .651 | 84.3 | 9.4 | 8.50 | 8.30 |
| German Marquez | Det | sp | 25 | .646 | 584 | .269 | 343 | .405 | 344 | .407 | 77.5 | 3.3 | 3.01 | 2.91 |
| Chris Martin | Cle | mr | 34 | .576 | 191 | .267 | 105 | .355 | 105 | .355 | 20.0 | 2.3 | 2.11 | 2.14 |
| Carlos Martinez | Det | cl | 28 | .735 | 147 | .313 | 108 | .446 | 111 | .459 | 28.8 | 4.7 | 4.34 | 4.72 |
| Phil Maton | Tex | mr | 27 | .840 | 154 | .318 | 125 | .530 | 128 | .542 | 37.3 | 6.3 | 5.70 | 5.28 |
| Steven Matz* | Oak | sp | 29 | .808 | 507 | .321 | 403 | .510 | 409 | .518 | 109.2 | 5.3 | 4.80 | 4.75 |
| Dustin May | NYY | mr | 22 | .603 | 81 | .309 | 33 | .297 | 37 | .333 | 9.7 | 3.3 | 3.06 | 3.07 |
| Tim Mayza* | Tor | mr | 28 | .676 | 63 | .238 | 39 | .433 | 39 | .433 | 9.7 | 4.0 | 3.57 | 3.00 |
| Jake McGee* | KC | mr | 33 | .872 | 115 | .287 | 102 | .540 | 107 | .566 | 29.1 | 6.1 | 5.71 | 6.17 |
| Brendan McKay* | Cle | sp | 24 | .912 | 206 | .325 | 193 | .588 | 196 | .598 | 59.4 | 7.3 | 6.62 | 6.03 |
| David McKay | KC | mr | 25 | .791 | 47 | .340 | 44 | .489 | 46 | .511 | 12.1 | 5.4 | 4.91 | 5.65 |
| Adalberto Mejia* | KC | mr | 27 | .744 | 134 | .306 | 95 | .457 | 97 | .466 | 26.4 | 5.2 | 4.68 | 4.68 |
| Mark Melancon | Bos | mr | 35 | .684 | 212 | .330 | 123 | .398 | 126 | .408 | 34.7 | 4.5 | 4.08 | 4.09 |
| Tim Melville | Cle | sp | 30 | .990 | 131 | .290 | 131 | .642 | 132 | .647 | 40.9 | 8.4 | 7.64 | 7.92 |
| Yohander Mendez* | Oak | mr | 25 | .859 | 22 | .273 | 20 | .571 | 20 | .571 | 5.8 | 6.9 | 6.17 | 5.90 |
| Daniel Mengden | Bos | sp | 27 | .732 | 256 | .270 | 171 | .471 | 172 | .474 | 41.6 | 4.3 | 3.81 | 3.58 |
| Wade Miley* | Tor | sp | 33 | .765 | 610 | .315 | 385 | .460 | 393 | .470 | 110.8 | 5.3 | 4.76 | 4.79 |
| Alec Mills | Bal | mr | 28 | .788 | 128 | .313 | 101 | .481 | 105 | .500 | 28.1 | 5.4 | 5.02 | 5.57 |
| Mike Minor* | Sea | sp | 32 | .702 | 585 | .311 | 390 | .430 | 395 | .436 | 99.4 | 4.2 | 3.77 | 3.94 |
| Mike Montgomery* | Bal | mr | 30 | .937 | 390 | .318 | 326 | .591 | 331 | .600 | 100.1 | 7.3 | 6.72 | 7.22 |
| Matt Moore* | TB | sp | 31 | .528 | 60 | .167 | 25 | .342 | 25 | .342 | 4.0 | 1.8 | 1.64 | 1.50 |
| Adam Morgan* | LAA | mr | 30 | .468 | 110 | .164 | 47 | .287 | 50 | .305 | 9.2 | 2.0 | 1.81 | 1.54 |
| Mike Morin | Bos | mr | 29 | .714 | 300 | .257 | 165 | .427 | 173 | .448 | 45.6 | 4.6 | 4.10 | 3.79 |
| Reyes Moronta | LAA | mr | 27 | .740 | 144 | .229 | 134 | .496 | 135 | .500 | 35.2 | 5.3 | 4.81 | 4.83 |
| Andres Munoz | TB | mr | 21 | .585 | 52 | .192 | 42 | .412 | 42 | .412 | 7.2 | 2.5 | 2.25 | 2.26 |
| Joe Musgrove | Min | sp | 27 | .751 | 567 | .300 | 385 | .474 | 391 | .481 | 103.1 | 4.8 | 4.30 | 3.64 |
| Jimmy Nelson | Bal | mr | 31 | .925 | 88 | .318 | 101 | .608 | 102 | .614 | 26.7 | 6.4 | 5.84 | 6.80 |
| Hector Neris | LAA | cl | 31 | .562 | 152 | .237 | 99 | .357 | 103 | .372 | 20.6 | 2.6 | 2.40 | 2.04 |
| Sean Newcomb* | Tor | mr | 27 | .698 | 297 | .269 | 201 | .440 | 205 | .449 | 52.0 | 4.4 | 4.08 | 3.96 |
| Hector Noesi | KC | mr | 33 | .629 | 3 | .333 | 3 | .429 | 3 | .429 | 0.4 | 2.3 | 2.11 | 4.62 |
| Aaron Nola | Min | sp | 27 | .675 | 569 | .288 | 387 | .422 | 394 | .429 | 94.6 | 3.9 | 3.48 | 3.43 |
| Daniel Norris* | Tor | sp | 27 | .847 | 495 | .315 | 385 | .530 | 393 | .541 | 113.5 | 6.2 | 5.56 | 5.58 |
| James Norwood | Det | mr | 26 | 1.167 | 3 | .667 | 4 | .667 | 4 | .667 | 1.3 | 11.3 | 10.21 | 19.56 |
| Ivan Nova | KC | sp | 33 | .937 | 736 | .360 | 557 | .567 | 570 | .580 | 179.3 | 7.5 | 6.89 | 7.34 |
| Darren O'Day | Sea | mr | 37 | 1.121 | 23 | .391 | 25 | .641 | 28 | .718 | 9.8 | 12.7 | 11.40 | 11.12 |
| Jake Odorizzi | ChW | sp | 30 | .674 | 543 | .243 | 381 | .435 | 387 | .442 | 88.8 | 3.8 | 3.41 | 3.30 |
| Roberto Osuna | Tor | cl | 25 | .543 | 201 | .219 | 111 | .344 | 114 | .353 | 22.5 | 2.4 | 2.17 | 1.73 |
| Chris Paddack | Tex | sp | 24 | .686 | 471 | .257 | 325 | .433 | 335 | .447 | 77.9 | 3.8 | 3.45 | 3.25 |
| Joe Palumbo* | Bos | sp | 25 | .929 | 12 | .250 | 9 | .643 | 9 | .643 | 2.6 | 6.9 | 6.25 | 4.77 |
| Thomas Pannone* |   | mr | 26 | .677 | 241 | .249 | 150 | .416 | 158 | .438 | 37.8 | 3.9 | 3.57 | 3.32 |
| Blake Parker | Det | mr | 35 | .605 | 199 | .221 | 119 | .386 | 122 | .396 | 24.5 | 2.8 | 2.62 | 2.67 |
| Wes Parsons | KC | mr | 27 | .724 | 123 | .276 | 92 | .451 | 95 | .466 | 24.3 | 5.0 | 4.55 | 5.37 |
| Brad Peacock | Det | sp | 32 | .756 | 277 | .274 | 215 | .480 | 222 | .496 | 58.6 | 5.2 | 4.81 | 4.46 |
| Freddy Peralta | ChW | mr | 24 | .750 | 135 | .289 | 125 | .492 | 125 | .492 | 33.0 | 5.1 | 4.56 | 4.45 |
| Wandy Peralta* | Tex | mr | 28 | .888 | 205 | .273 | 166 | .559 | 171 | .576 | 50.5 | 6.9 | 6.17 | 6.34 |
| Wily Peralta | KC | mr | 31 | .714 | 171 | .251 | 103 | .429 | 109 | .454 | 24.9 | 4.0 | 3.67 | 4.18 |
| Luis Perdomo | ChW | mr | 27 | .893 | 240 | .308 | 190 | .554 | 192 | .560 | 58.6 | 7.0 | 6.42 | 6.71 |
| Oliver Perez* | Oak | mr | 38 | .665 | 83 | .289 | 56 | .412 | 58 | .426 | 13.4 | 3.7 | 3.39 | 3.14 |
| Dillon Peters* | Bos | sp | 27 | .936 | 246 | .285 | 212 | .604 | 217 | .618 | 65.4 | 7.6 | 6.79 | 6.33 |
| Yusmeiro Petit | Bos | mr | 35 | .614 | 292 | .226 | 169 | .389 | 174 | .400 | 36.3 | 2.9 | 2.62 | 2.03 |
| Jake Petricka | Tex | mr | 32 | .653 | 43 | .256 | 22 | .400 | 22 | .400 | 4.8 | 3.4 | 3.17 | 3.89 |
| David Phelps | NYY | mr | 33 | .697 | 39 | .333 | 26 | .426 | 26 | .426 | 6.9 | 4.8 | 4.79 | 5.29 |
| Michael Pineda | LAA | sp | 31 | .717 | 525 | .272 | 331 | .447 | 337 | .455 | 83.8 | 4.2 | 3.78 | 3.40 |
| Adam Plutko | Bos | sp | 28 | .799 | 410 | .266 | 303 | .510 | 310 | .522 | 78.3 | 4.9 | 4.49 | 4.54 |
| Drew Pomeranz* | Bos | mr | 31 | .764 | 374 | .299 | 314 | .485 | 319 | .493 | 84.2 | 5.1 | 4.65 | 4.62 |
| Daniel Ponce de Leon | Hou | sp | 28 | .909 | 135 | .333 | 133 | .564 | 137 | .581 | 37.4 | 6.4 | 5.94 | 7.18 |
| David Price* | ChW | sp | 34 | .714 | 425 | .311 | 280 | .435 | 288 | .447 | 76.8 | 4.6 | 4.16 | 3.86 |
| Austin Pruitt | KC | mr | 30 | .748 | 27 | .333 | 13 | .419 | 13 | .419 | 4.5 | 6.0 | 5.41 | 4.79 |
| A.J. Puk* | NYY | mr | 25 | .467 | 14 | .071 | 7 | .304 | 8 | .348 | 1.4 | 2.1 | 1.85 | 1.55 |
| Cal Quantrill | ChW | sp | 25 | .783 | 357 | .297 | 263 | .495 | 266 | .501 | 73.6 | 5.3 | 4.87 | 4.80 |
| Sean Reid-Foley | Min | sp | 24 | .871 | 96 | .292 | 78 | .513 | 82 | .539 | 22.9 | 6.4 | 5.97 | 7.16 |
| Alex Reyes | ChW | mr | 25 | .542 | 6 | .167 | 3 | .375 | 3 | .375 | 0.4 | 1.7 | 1.54 | 3.21 |
| Trevor Richards | KC | sp | 27 | .777 | 457 | .287 | 326 | .492 | 330 | .498 | 88.5 | 5.2 | 4.77 | 4.44 |
| Tanner Roark | Tor | sp | 33 | .899 | 524 | .345 | 447 | .549 | 466 | .572 | 137.8 | 6.9 | 6.21 | 6.52 |
| Hansel Robles | Tor | cl | 29 | .552 | 205 | .273 | 113 | .342 | 113 | .342 | 24.0 | 2.6 | 2.37 | 2.15 |
| Richard Rodriguez | Sea | mr | 30 | .792 | 195 | .313 | 148 | .492 | 149 | .495 | 43.2 | 5.8 | 5.19 | 5.47 |
| Chaz Roe | Cle | mr | 33 | .704 | 165 | .370 | 122 | .425 | 124 | .432 | 30.4 | 4.2 | 3.83 | 4.51 |
| Fernando Romero | Det | mr | 25 | .650 | 2 | .500 | 2 | .400 | 2 | .400 | 0.5 | 4.5 | 4.08 | 5.48 |
| Randy Rosario* | Tex | mr | 26 | .729 | 58 | .293 | 38 | .447 | 38 | .447 | 9.7 | 4.5 | 4.08 | 4.04 |
| Kyle Ryan* | ChW | mr | 28 | .702 | 180 | .278 | 118 | .437 | 119 | .441 | 28.5 | 4.1 | 3.73 | 4.30 |
| Max Scherzer | Oak | sp | 35 | .652 | 462 | .316 | 330 | .405 | 339 | .416 | 78.2 | 3.5 | 3.18 | 2.82 |
| Justin Shafer | KC | mr | 27 | .833 | 149 | .356 | 129 | .522 | 130 | .526 | 36.4 | 6.2 | 5.57 | 5.32 |
| Bryan Shaw | Tex | mr | 32 | .716 | 275 | .251 | 173 | .448 | 179 | .464 | 45.7 | 4.6 | 4.19 | 3.79 |
| Matt Shoemaker | Sea | sp | 33 | .557 | 88 | .182 | 57 | .361 | 61 | .386 | 10.3 | 2.3 | 2.04 | 2.11 |
| Lucas Sims | Det | mr | 26 | .711 | 152 | .263 | 127 | .460 | 131 | .475 | 31.4 | 4.3 | 3.95 | 3.85 |
| Tony Sipp* | Sea | mr | 36 | .662 | 118 | .314 | 65 | .392 | 66 | .398 | 17.2 | 4.1 | 3.74 | 3.50 |
| Tyler Skaggs* | Tex | sp | 28 | .782 | 73 | .301 | 52 | .468 | 53 | .477 | 15.3 | 5.7 | 5.02 | 4.75 |
| Burch Smith | KC | mr | 30 | 1.072 | 18 | .389 | 18 | .667 | 18 | .667 | 6.8 | 13.0 | 11.73 | 12.09 |
| Will M Smith* | Min | cl | 30 | .667 | 119 | .235 | 95 | .444 | 95 | .444 | 18.6 | 3.1 | 2.85 | 3.33 |
| Drew Smyly* | Hou | sp | 31 | 1.084 | 296 | .321 | 357 | .706 | 361 | .713 | 125.5 | 11.1 | 10.13 | 10.20 |
| Mike Soroka | TB | sp | 22 | .721 | 646 | .322 | 386 | .427 | 393 | .435 | 101.1 | 4.3 | 3.85 | 4.19 |
| Craig Stammen | Hou | mr | 36 | .800 | 198 | .323 | 145 | .502 | 148 | .512 | 42.4 | 5.8 | 5.29 | 4.66 |
| Josh Staumont | TB | mr | 26 | .269 | 17 | .118 | 4 | .174 | 4 | .174 | 0.3 | 0.4 | 0.42 | 0.62 |
| Robert Stephenson | Bal | mr | 27 | .594 | 199 | .176 | 146 | .416 | 146 | .416 | 28.7 | 2.8 | 2.61 | 1.81 |
| Kohl Stewart | Sea | mr | 25 | 1.151 | 170 | .412 | 157 | .698 | 160 | .711 | 57.0 | 11.1 | 10.03 | 11.05 |
| Hunter Strickland | LAA | mr | 31 | .950 | 41 | .341 | 36 | .571 | 38 | .603 | 12.0 | 8.3 | 7.50 | 8.24 |
| Ross Stripling | Tex | mr | 30 | .851 | 368 | .359 | 306 | .538 | 307 | .540 | 92.0 | 6.5 | 5.97 | 5.62 |
| Marcus Stroman | TB | sp | 29 | .690 | 545 | .295 | 337 | .424 | 338 | .426 | 86.2 | 4.2 | 3.80 | 3.81 |
| Daniel Stumpf* | Det | mr | 29 | .641 | 45 | .244 | 30 | .423 | 30 | .423 | 6.8 | 3.6 | 3.26 | 2.75 |
| Jose Suarez* | Cle | sp | 22 | 1.033 | 272 | .324 | 280 | .632 | 296 | .668 | 98.2 | 9.6 | 8.59 | 8.91 |
| Ranger Suarez* | Cle | mr | 24 | .790 | 204 | .353 | 123 | .452 | 128 | .471 | 35.4 | 5.0 | 4.53 | 4.97 |
| Wander Suero | Tor | mr | 28 | .648 | 286 | .301 | 176 | .396 | 178 | .400 | 41.2 | 3.4 | 3.10 | 3.07 |
| Noah Syndergaard | TB | sp | 27 | .653 | 571 | .312 | 341 | .396 | 345 | .401 | 88.0 | 3.8 | 3.51 | 3.10 |
| Masahiro Tanaka | ChW | sp | 31 | .767 | 629 | .286 | 426 | .487 | 429 | .491 | 109.8 | 4.7 | 4.27 | 4.09 |
| Julio Teheran | NYY | sp | 29 | .660 | 545 | .233 | 358 | .413 | 376 | .434 | 88.1 | 3.8 | 3.47 | 3.46 |
| Lewis Thorpe* | ChW | mr | 24 | .908 | 9 | .667 | 13 | .565 | 13 | .565 | 4.4 | 9.1 | 8.16 | 7.51 |
| Josh Tomlin | LAA | mr | 35 | .674 | 263 | .270 | 134 | .409 | 135 | .412 | 31.2 | 3.4 | 3.08 | 3.04 |
| Touki Toussaint | LAA | mr | 24 | .685 | 38 | .316 | 24 | .414 | 25 | .431 | 5.9 | 4.0 | 3.79 | 3.82 |
| Sam Tuivailala | Det | mr | 27 | .580 | 92 | .304 | 63 | .360 | 65 | .371 | 14.3 | 3.2 | 2.78 | 2.89 |
| Spencer Turnbull | Bal | sp | 27 | .726 | 480 | .290 | 345 | .444 | 364 | .468 | 89.9 | 4.5 | 4.12 | 4.09 |
| Duane Underwood | Bal | mr | 25 | .612 | 51 | .216 | 34 | .386 | 36 | .409 | 7.5 | 3.1 | 2.73 | 2.33 |
| Jose Urena | Min | sp | 28 | .814 | 270 | .337 | 189 | .499 | 191 | .504 | 55.0 | 5.9 | 5.27 | 5.27 |
| Julio Urias* | Bal | mr | 23 | .648 | 259 | .259 | 169 | .404 | 175 | .419 | 40.5 | 3.6 | 3.30 | 3.27 |
| Jose Urquidy | Sea | sp | 25 | .599 | 176 | .301 | 97 | .361 | 97 | .361 | 21.4 | 2.8 | 2.59 | 2.49 |
| Vincent Velasquez | Tor | sp | 28 | .833 | 409 | .315 | 339 | .526 | 347 | .538 | 99.5 | 6.1 | 5.55 | 5.18 |
| Hector Velazquez | Sea | mr | 31 | .795 | 257 | .335 | 201 | .493 | 203 | .498 | 57.0 | 5.6 | 5.09 | 5.18 |
| Justin Verlander | Hou | sp | 37 | .725 | 510 | .273 | 446 | .481 | 454 | .490 | 107.3 | 4.2 | 3.84 | 3.29 |
| Nick Vincent | Bos | mr | 33 | .793 | 233 | .309 | 175 | .485 | 183 | .507 | 50.9 | 5.6 | 4.99 | 4.73 |
| Austin Voth | Oak | sp | 28 | .543 | 138 | .239 | 72 | .329 | 77 | .352 | 15.3 | 2.5 | 2.26 | 1.74 |
| Michael Wacha | Bos | sp | 28 | .840 | 384 | .313 | 305 | .527 | 311 | .537 | 86.0 | 5.8 | 5.28 | 5.50 |
| Jacob Waguespack | Tor | sp | 26 | .792 | 256 | .266 | 192 | .492 | 201 | .515 | 52.7 | 5.2 | 4.62 | 4.52 |
| Taijuan Walker | Hou | sp | 27 | .580 | 9 | .222 | 5 | .385 | 5 | .385 | 1.1 | 3.2 | 2.92 | 2.54 |
| Jared Walsh* | Bal | 1b | 26 | .793 | 43 | .302 | 37 | .500 | 38 | .514 | 9.9 | 6.1 | 5.49 | 7.54 |
| Wei-Chung Wang* | Det | mr | 28 | 1.019 | 93 | .387 | 84 | .627 | 84 | .627 | 29.2 | 9.7 | 8.64 | 9.33 |
| Art Warren | ChW | mr | 27 | .598 | 42 | .214 | 21 | .368 | 22 | .386 | 4.9 | 3.2 | 2.88 | 2.88 |
| Tony Watson* | NYY | mr | 35 | .783 | 92 | .293 | 62 | .481 | 64 | .496 | 16.9 | 5.0 | 4.51 | 4.56 |
| Luke Weaver | ChW | sp | 26 | .630 | 230 | .243 | 153 | .408 | 155 | .413 | 34.2 | 3.3 | 2.99 | 2.71 |
| Logan Webb | Bos | sp | 23 | .725 | 146 | .322 | 101 | .447 | 102 | .451 | 25.7 | 4.4 | 3.91 | 4.00 |
| Tyler Webb* | NYY | mr | 29 | .671 | 171 | .146 | 119 | .467 | 121 | .475 | 24.7 | 3.4 | 3.09 | 2.71 |
| Ryan Weber | Cle | mr | 29 | .492 | 82 | .244 | 26 | .265 | 27 | .276 | 6.1 | 2.2 | 2.02 | 1.65 |
| Trey Wingenter | NYY | mr | 26 | .333 | 9 | .222 | 2 | .167 | 2 | .167 | 0.3 | 0.9 | 0.81 | 0.75 |
| Daniel Winkler | Tex | mr | 30 | .994 | 90 | .278 | 101 | .660 | 102 | .667 | 31.8 | 8.9 | 7.96 | 7.44 |
| Matt Wisler | Sea | mr | 27 | .839 | 242 | .331 | 216 | .540 | 219 | .548 | 63.8 | 6.4 | 5.78 | 5.08 |
| Nick Wittgren | ChW | mr | 29 | .662 | 189 | .238 | 131 | .434 | 131 | .434 | 30.4 | 3.7 | 3.39 | 3.21 |
| Alex Wood* | Bal | sp | 29 | .896 | 122 | .279 | 116 | .589 | 117 | .594 | 32.4 | 6.4 | 5.88 | 6.32 |
| Kyle Wright | Sea | sp | 24 | .849 | 85 | .271 | 77 | .566 | 77 | .566 | 20.3 | 5.9 | 5.55 | 5.30 |
| Jimmy Yacabonis | Min | mr | 28 | .994 | 133 | .391 | 129 | .614 | 130 | .619 | 46.6 | 10.0 | 8.91 | 8.66 |
| Ryan Yarbrough* | LAA | sp | 28 | .678 | 423 | .272 | 239 | .416 | 244 | .424 | 57.2 | 3.6 | 3.29 | 3.23 |
| Kirby Yates | NYY | cl | 33 | .396 | 142 | .261 | 63 | .227 | 68 | .245 | 10.3 | 1.2 | 1.10 | 0.96 |
| T.J. Zeuch | LAA | sp | 24 | .623 | 65 | .215 | 37 | .389 | 38 | .400 | 8.3 | 3.1 | 2.77 | 2.27 |
| Jordan Zimmermann | Cle | sp | 34 | .792 | 477 | .310 | 304 | .488 | 309 | .496 | 88.9 | 5.6 | 5.08 | 4.34 |
| Start |
| Name | Team | P | Age | GS | CG | CG% | SHO | QS | QS% | RS | RS/G | RL | RLS | RL% | PCH/G | STR% |
| Jason Adam | Tor | mr | 28 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 4 | 1 | .250 | 26.5 | .500 |
| Austin L Adams | LAA | mr | 29 | 2 | 0 | .000 | 0 | 0 | .000 | 13 | 6.5 | 14 | 5 | .357 | 21.3 | .583 |
| Dario Agrazal | KC | sp | 25 | 15 | 1 | .067 | 0 | 8 | .533 | 44 | 2.9 | 10 | 1 | .100 | 99.8 | .626 |
| Matt Albers |   | mr | 37 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 20 | 5 | .250 | 19.1 | .625 |
| Kolby Allard* | Min | sp | 22 | 8 | 0 | .000 | 0 | 3 | .375 | 41 | 5.1 | 11 | 6 | .545 | 85.3 | .610 |
| Dan Altavilla | Tex | mr | 27 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 8 | 5 | .625 | 18.8 | .521 |
| Brett Anderson* | TB | sp | 32 | 29 | 0 | .000 | 0 | 13 | .448 | 169 | 5.8 | 33 | 16 | .485 | 92.0 | .613 |
| Chase Anderson | TB | sp | 32 | 16 | 0 | .000 | 0 | 7 | .438 | 79 | 4.9 | 16 | 3 | .188 | 77.8 | .606 |
| Justin Anderson | TB | mr | 27 | 1 | 0 | .000 | 0 | 0 | .000 | 4 | 4.0 | 15 | 3 | .200 | 27.6 | .554 |
| Tanner Anderson | Cle | sp | 27 | 5 | 0 | .000 | 0 | 3 | .600 | 17 | 3.4 | 4 | 2 | .500 | 96.6 | .654 |
| Tyler Anderson* | Oak | sp | 30 | 3 | 0 | .000 | 0 | 1 | .333 | 37 | 12.3 | 2 | 2 | 1.000 | 72.7 | .578 |
| Rogelio Armenteros | Oak | cl | 26 | 2 | 0 | .000 | 0 | 1 | .500 | 23 | 11.5 | 5 | 1 | .200 | 41.8 | .662 |
| Shawn Armstrong | Hou | mr | 29 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 18 | 9 | .500 | 28.4 | .578 |
| Jake Arrieta | KC | sp | 34 | 24 | 2 | .083 | 0 | 17 | .708 | 100 | 4.2 | 19 | 2 | .105 | 98.7 | .615 |
| Luis Avilan* | TB | mr | 30 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 23 | 5 | .217 | 16.1 | .572 |
| Luke Bard | Oak | mr | 29 | 3 | 0 | .000 | 0 | 0 | .000 | 14 | 4.7 | 15 | 5 | .333 | 27.0 | .612 |
| Scott Barlow | Min | mr | 27 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 14 | 2 | .143 | 26.0 | .577 |
| Matt Barnes |   | mr | 30 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 24 | 6 | .250 | 21.9 | .597 |
| Trevor Bauer | Det | sp | 29 | 35 | 3 | .086 | 2 | 17 | .486 | 231 | 6.6 | 23 | 0 | .000 | 102.3 | .605 |
| Gerson Bautista | Tex | mr | 25 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 4 | 1 | .250 | 36.5 | .557 |
| Jalen Beeks* | Bos | mr | 26 | 2 | 0 | .000 | 0 | 0 | .000 | 3 | 1.5 | 25 | 5 | .200 | 37.7 | .630 |
| Dellin Betances | Oak | mr | 32 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 0 | 0 | .000 | 9.3 | .622 |
| Richard Bleier* | TB | mr | 33 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 20 | 6 | .300 | 20.2 | .641 |
| Jerry Blevins* | Sea | mr | 36 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 25 | 9 | .360 | 14.8 | .577 |
| Ronald Bolanos | Bos | sp | 23 | 4 | 0 | .000 | 0 | 1 | .250 | 22 | 5.5 | 3 | 0 | .000 | 87.8 | .553 |
| Ryan Borucki* | Min | sp | 26 | 2 | 0 | .000 | 0 | 0 | .000 | 9 | 4.5 | 3 | 1 | .333 | 56.5 | .531 |
| Matt Bowman | Hou | mr | 29 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 7 | 1 | .143 | 20.7 | .634 |
| Brad Boxberger | TB | mr | 32 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 4 | 1 | .250 | 30.3 | .562 |
| Matt Boyd* | LAA | sp | 29 | 33 | 1 | .030 | 0 | 16 | .485 | 184 | 5.6 | 15 | 8 | .533 | 93.5 | .648 |
| Brad Brach | ChW | mr | 34 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 15 | 6 | .400 | 17.6 | .610 |
| Brandon Brennan | Det | mr | 28 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 18 | 9 | .500 | 22.5 | .570 |
| Colten Brewer | Tex | mr | 27 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 50 | 21 | .420 | 22.3 | .556 |
| Zack Britton* | Oak | mr | 32 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 10 | 4 | .400 | 16.1 | .586 |
| Ryan Buchter* | NYY | mr | 33 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 10 | 2 | .200 | 18.1 | .547 |
| Madison Bumgarner* | LAA | sp | 30 | 35 | 0 | .000 | 0 | 19 | .543 | 178 | 5.1 | 22 | 12 | .545 | 94.0 | .654 |
| Dylan Bundy | NYY | sp | 27 | 32 | 1 | .031 | 1 | 15 | .469 | 146 | 4.6 | 19 | 7 | .368 | 96.8 | .611 |
| Corbin Burnes | NYY | mr | 25 | 4 | 0 | .000 | 0 | 1 | .250 | 23 | 5.8 | 3 | 0 | .000 | 96.5 | .583 |
| Genesis Cabrera* | Oak | mr | 23 | 2 | 0 | .000 | 0 | 0 | .000 | 16 | 8.0 | 10 | 4 | .400 | 28.3 | .559 |
| Trevor Cahill | Bal | mr | 32 | 23 | 0 | .000 | 0 | 7 | .304 | 118 | 5.1 | 20 | 9 | .450 | 72.7 | .600 |
| Griffin Canning | TB | sp | 24 | 19 | 0 | .000 | 0 | 4 | .211 | 74 | 3.9 | 16 | 2 | .125 | 95.8 | .580 |
| Ryan Carpenter* | Cle | sp | 29 | 10 | 0 | .000 | 0 | 1 | .100 | 36 | 3.6 | 5 | 1 | .200 | 74.6 | .639 |
| Andrew Cashner | Cle | sp | 33 | 26 | 3 | .115 | 0 | 12 | .462 | 86 | 3.3 | 21 | 11 | .524 | 96.8 | .590 |
| Miguel Castro | Sea | mr | 25 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 29 | 9 | .310 | 23.6 | .576 |
| Jhoulys Chacin | KC | sp | 32 | 23 | 2 | .087 | 0 | 8 | .348 | 91 | 4.0 | 16 | 7 | .438 | 105.2 | .573 |
| Andrew Chafin* | LAA | mr | 30 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 23 | 6 | .261 | 16.4 | .630 |
| Aroldis Chapman* | Tor | cl | 32 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 3 | 2 | .667 | 18.4 | .639 |
| Tyler Chatwood | NYY | mr | 30 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 4 | 3 | .750 | 29.9 | .588 |
| Yonny Chirinos | Det | sp | 26 | 23 | 0 | .000 | 0 | 11 | .478 | 143 | 6.2 | 10 | 5 | .500 | 92.9 | .654 |
| Steve Cishek | Bos | mr | 34 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 31 | 6 | .194 | 17.9 | .586 |
| Aaron Civale | Cle | sp | 25 | 13 | 0 | .000 | 0 | 9 | .692 | 46 | 3.5 | 12 | 5 | .417 | 95.7 | .638 |
| Taylor Clarke | Tor | sp | 27 | 15 | 1 | .067 | 0 | 1 | .067 | 108 | 7.2 | 14 | 10 | .714 | 85.2 | .621 |
| Alex Claudio* | Tex | mr | 28 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 22 | 7 | .318 | 18.0 | .590 |
| Tyler Clippard | Oak | mr | 35 | 3 | 0 | .000 | 0 | 0 | .000 | 23 | 7.7 | 17 | 8 | .471 | 20.5 | .627 |
| Alex Cobb | Bal | sp | 32 | 4 | 0 | .000 | 0 | 1 | .250 | 18 | 4.5 | 2 | 1 | .500 | 71.8 | .632 |
| Alex Colome | Min | cl | 31 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 10 | 2 | .200 | 23.2 | .608 |
| Dylan Covey | LAA | sp | 28 | 3 | 0 | .000 | 0 | 0 | .000 | 18 | 6.0 | 5 | 0 | .000 | 66.7 | .570 |
| Kyle Crick | Bal | mr | 27 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 26 | 10 | .385 | 21.5 | .558 |
| Johnny Cueto | Oak | sp | 34 | 5 | 0 | .000 | 0 | 1 | .200 | 24 | 4.8 | 0 | 0 | .000 | 72.8 | .602 |
| Yu Darvish | LAA | sp | 33 | 33 | 0 | .000 | 0 | 16 | .485 | 189 | 5.7 | 18 | 2 | .111 | 93.0 | .631 |
| Austin Davis* | Tex | mr | 27 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 7 | 0 | .000 | 25.3 | .548 |
| Jose De Leon | Bal | mr | 27 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 8 | 1 | .125 | 28.5 | .531 |
| Anthony DeSclafani | Min | sp | 30 | 32 | 0 | .000 | 0 | 15 | .469 | 162 | 5.1 | 20 | 7 | .350 | 95.5 | .639 |
| Chris Devenski | KC | mr | 29 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 8 | 3 | .375 | 24.3 | .616 |
| Edwin Diaz | NYY | cl | 26 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 3 | 1 | .333 | 20.4 | .655 |
| Jake Diekman* | TB | mr | 33 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 29 | 9 | .310 | 19.9 | .572 |
| Randy Dobnak | Oak | sp | 25 | 5 | 0 | .000 | 0 | 3 | .600 | 37 | 7.4 | 7 | 2 | .286 | 63.5 | .664 |
| Sean Doolittle* | Cle | cl | 33 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 36 | 9 | .250 | 18.0 | .655 |
| Oliver Drake | LAA | mr | 33 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 11 | 2 | .182 | 20.6 | .630 |
| Tyler Duffey | TB | mr | 29 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 20 | 6 | .300 | 21.7 | .623 |
| Danny Duffy* | NYY | sp | 31 | 28 | 3 | .107 | 2 | 15 | .536 | 145 | 5.2 | 10 | 2 | .200 | 102.9 | .614 |
| Robert Dugger | KC | sp | 24 | 7 | 1 | .143 | 0 | 3 | .429 | 28 | 4.0 | 6 | 5 | .833 | 91.1 | .564 |
| Justin Dunn | Hou | sp | 24 | 3 | 0 | .000 | 0 | 1 | .333 | 16 | 5.3 | 5 | 0 | .000 | 72.0 | .551 |
| Jon Duplantier | Sea | mr | 25 | 5 | 0 | .000 | 0 | 0 | .000 | 20 | 4.0 | 5 | 2 | .400 | 76.4 | .589 |
| Sam Dyson | Min | mr | 32 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 15 | 3 | .200 | 24.6 | .659 |
| Carl Edwards | Bal | mr | 28 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 10 | 2 | .200 | 21.3 | .543 |
| Nathan Eovaldi | Tex | sp | 30 | 14 | 0 | .000 | 0 | 3 | .214 | 68 | 4.9 | 8 | 2 | .250 | 79.7 | .580 |
| Carlos Estevez | NYY | mr | 27 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 13 | 1 | .077 | 23.9 | .630 |
| Marco Estrada | Det | sp | 36 | 4 | 0 | .000 | 0 | 0 | .000 | 25 | 6.3 | 3 | 1 | .333 | 29.8 | .605 |
| Peter Fairbanks | Det | mr | 26 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 0 | 0 | .000 | 10.0 | .750 |
| Buck Farmer | Min | mr | 29 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 5 | 4 | .800 | 23.1 | .588 |
| Erick Fedde | Sea | sp | 27 | 18 | 0 | .000 | 0 | 11 | .611 | 89 | 4.9 | 10 | 0 | .000 | 95.6 | .598 |
| Michael Feliz | Cle | mr | 27 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 25 | 8 | .320 | 20.5 | .599 |
| Matt Festa | Min | mr | 27 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 13 | 6 | .462 | 28.0 | .565 |
| Jack Flaherty | Det | sp | 24 | 34 | 0 | .000 | 0 | 23 | .676 | 232 | 6.8 | 16 | 5 | .313 | 101.6 | .631 |
| Dylan Floro | Min | mr | 29 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 4 | 0 | .000 | 27.2 | .632 |
| Kyle Freeland* | ChW | sp | 27 | 14 | 0 | .000 | 0 | 5 | .357 | 75 | 5.4 | 9 | 2 | .222 | 85.9 | .638 |
| Max Fried* | Oak | sp | 26 | 29 | 1 | .034 | 1 | 8 | .276 | 149 | 5.1 | 26 | 7 | .269 | 77.8 | .628 |
| Jace Fry* | Cle | mr | 26 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 31 | 14 | .452 | 16.3 | .553 |
| Paul Fry* | Oak | mr | 27 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 14 | 4 | .286 | 16.4 | .626 |
| Giovanny Gallegos | Hou | mr | 28 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 11 | 2 | .182 | 21.2 | .657 |
| Jarlin Garcia* | LAA | mr | 27 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 13 | 2 | .154 | 21.3 | .610 |
| Luis Garcia | KC | mr | 33 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 19 | 9 | .474 | 24.6 | .569 |
| Yimi Garcia | KC | mr | 29 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 11 | 6 | .545 | 22.3 | .646 |
| Cory Gearrin | Oak | mr | 34 | 2 | 0 | .000 | 0 | 0 | .000 | 12 | 6.0 | 26 | 4 | .154 | 12.4 | .540 |
| Kyle Gibson | Oak | sp | 32 | 25 | 0 | .000 | 0 | 10 | .400 | 100 | 4.0 | 29 | 15 | .517 | 78.2 | .619 |
| Ken Giles | ChW | cl | 29 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 4 | 3 | .750 | 19.6 | .634 |
| Tyler Glasnow | Sea | sp | 26 | 15 | 0 | .000 | 0 | 10 | .667 | 66 | 4.4 | 5 | 4 | .800 | 95.0 | .652 |
| Zack Godley | Bos | mr | 30 | 20 | 0 | .000 | 0 | 1 | .050 | 98 | 4.9 | 17 | 7 | .412 | 71.0 | .594 |
| Gio Gonzalez* | ChW | sp | 34 | 20 | 0 | .000 | 0 | 8 | .400 | 107 | 5.3 | 7 | 0 | .000 | 89.3 | .595 |
| Nick Goody | TB | mr | 28 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 30 | 8 | .267 | 16.4 | .581 |
| Jon Gray | Hou | sp | 28 | 28 | 0 | .000 | 0 | 13 | .464 | 123 | 4.4 | 10 | 1 | .100 | 97.3 | .609 |
| Chad Green | Oak | mr | 29 | 11 | 0 | .000 | 0 | 0 | .000 | 55 | 5.0 | 28 | 14 | .500 | 28.2 | .632 |
| Robert Gsellman | Oak | mr | 26 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 21 | 7 | .333 | 22.2 | .628 |
| Javy A Guerra | Tex | mr | 24 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 7 | 2 | .286 | 23.7 | .606 |
| Javy L Guerra | Det | mr | 34 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 19 | 5 | .263 | 29.9 | .663 |
| Junior Guerra | Hou | mr | 35 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 21 | 6 | .286 | 22.7 | .598 |
| Tayron Guerrero | Sea | mr | 29 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 32 | 9 | .281 | 25.5 | .534 |
| David Hale | Oak | mr | 32 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 7 | 2 | .286 | 35.0 | .644 |
| Matt Hall* | Bal | mr | 26 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 13 | 11 | .846 | 39.2 | .557 |
| Cole Hamels* | Hou | sp | 36 | 29 | 0 | .000 | 0 | 10 | .345 | 147 | 5.1 | 24 | 4 | .167 | 94.6 | .606 |
| Brad Hand* | Hou | cl | 30 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 7 | 2 | .286 | 19.4 | .641 |
| Will Harris | Det | mr | 35 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 18 | 5 | .278 | 18.7 | .614 |
| Matt Harvey | Sea | sp | 31 | 15 | 0 | .000 | 0 | 3 | .200 | 73 | 4.9 | 16 | 5 | .313 | 90.5 | .583 |
| Jeremy Hellickson | Bos | sp | 33 | 9 | 0 | .000 | 0 | 4 | .444 | 61 | 6.8 | 8 | 4 | .500 | 92.7 | .608 |
| Heath Hembree | Cle | mr | 31 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 23 | 5 | .217 | 20.1 | .626 |
| Liam Hendriks | Bal | cl | 31 | 1 | 0 | .000 | 0 | 0 | .000 | 5 | 5.0 | 14 | 3 | .214 | 24.5 | .653 |
| David Hernandez | Min | mr | 35 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 21 | 4 | .190 | 27.9 | .615 |
| Felix Hernandez | Cle | sp | 34 | 16 | 0 | .000 | 0 | 7 | .438 | 65 | 4.1 | 11 | 3 | .273 | 90.9 | .600 |
| Jonathan Hernandez | Tex | mr | 23 | 4 | 0 | .000 | 0 | 0 | .000 | 12 | 3.0 | 3 | 1 | .333 | 86.0 | .517 |
| David Hess | Min | sp | 26 | 8 | 0 | .000 | 0 | 1 | .125 | 49 | 6.1 | 6 | 2 | .333 | 81.8 | .601 |
| Jordan Hicks | ChW | cl | 23 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 1 | 0 | .000 | 14.0 | .631 |
| Rich Hill* | Hou | sp | 40 | 16 | 0 | .000 | 0 | 5 | .313 | 81 | 5.1 | 9 | 3 | .333 | 89.0 | .643 |
| Jeff Hoffman | Hou | sp | 27 | 16 | 0 | .000 | 0 | 7 | .438 | 76 | 4.8 | 9 | 3 | .333 | 89.4 | .593 |
| Jonathan Holder | Det | mr | 27 | 1 | 0 | .000 | 0 | 0 | .000 | 8 | 8.0 | 3 | 1 | .333 | 23.4 | .684 |
| Greg Holland | TB | cl | 34 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 18 | 2 | .111 | 23.3 | .556 |
| Clay Holmes | Hou | mr | 27 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 8 | 2 | .250 | 33.0 | .567 |
| James Hoyt | ChW | mr | 33 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 10 | 1 | .100 | 11.0 | .627 |
| Dakota Hudson | NYY | sp | 25 | 29 | 0 | .000 | 0 | 14 | .483 | 154 | 5.3 | 15 | 5 | .333 | 98.2 | .582 |
| Danny Hultzen* | Bal | mr | 30 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 6 | 2 | .333 | 26.4 | .549 |
| Tommy Hunter | Bal | mr | 33 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 1 | 1 | 1.000 | 14.2 | .648 |
| Cole Irvin* | Det | mr | 26 | 4 | 0 | .000 | 0 | 2 | .500 | 33 | 8.3 | 9 | 4 | .444 | 44.3 | .632 |
| Kenley Jansen | NYY | cl | 32 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 10 | 3 | .300 | 20.5 | .620 |
| Dan Jennings* | KC | mr | 33 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 0 | 0 | .000 | 30.5 | .590 |
| D.J. Johnson | Min | mr | 30 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 5 | 1 | .200 | 27.5 | .538 |
| Jake Junis | Tex | sp | 27 | 32 | 0 | .000 | 0 | 13 | .406 | 149 | 4.7 | 13 | 4 | .308 | 92.5 | .611 |
| Ariel Jurado | Tex | sp | 24 | 21 | 0 | .000 | 0 | 7 | .333 | 115 | 5.5 | 15 | 6 | .400 | 88.4 | .607 |
| Tommy Kahnle | Sea | mr | 30 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 13 | 2 | .154 | 19.1 | .606 |
| Anthony Kay* | Det | sp | 25 | 3 | 0 | .000 | 0 | 2 | .667 | 10 | 3.3 | 5 | 3 | .600 | 74.3 | .616 |
| Keone Kela | TB | mr | 27 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 10 | 3 | .300 | 17.8 | .597 |
| Brad Keller | Cle | sp | 24 | 30 | 2 | .067 | 0 | 13 | .433 | 108 | 3.6 | 22 | 5 | .227 | 102.5 | .612 |
| Mitch Keller | ChW | sp | 24 | 1 | 0 | .000 | 0 | 0 | .000 | 3 | 3.0 | 2 | 1 | .500 | 79.0 | .570 |
| Shawn Kelley | KC | mr | 36 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 4 | 1 | .250 | 16.7 | .651 |
| Ian Kennedy | Cle | cl | 35 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 3 | 1 | .333 | 17.6 | .686 |
| Tyler Kinley | Tex | mr | 29 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 28 | 13 | .464 | 20.2 | .558 |
| Brandon Kintzler | Tor | mr | 35 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 25 | 8 | .320 | 24.9 | .639 |
| Adam Kolarek* | Bos | mr | 31 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 22 | 6 | .273 | 9.4 | .663 |
| Travis Lakins | Tex | mr | 26 | 2 | 0 | .000 | 0 | 0 | .000 | 16 | 8.0 | 3 | 0 | .000 | 26.9 | .568 |
| Peter Lambert | KC | sp | 23 | 20 | 2 | .100 | 0 | 6 | .300 | 104 | 5.2 | 13 | 5 | .385 | 100.3 | .604 |
| Dinelson Lamet | KC | sp | 27 | 14 | 0 | .000 | 0 | 6 | .429 | 61 | 4.4 | 7 | 3 | .429 | 92.1 | .611 |
| Mike Leake | Tex | sp | 32 | 32 | 3 | .094 | 0 | 7 | .219 | 138 | 4.3 | 21 | 10 | .476 | 81.4 | .654 |
| Wade LeBlanc* | Sea | mr | 35 | 15 | 0 | .000 | 0 | 6 | .400 | 78 | 5.2 | 13 | 0 | .000 | 84.9 | .649 |
| Zack Littell | Sea | mr | 24 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 8 | 1 | .125 | 21.2 | .618 |
| Jonathan Loaisiga | Tor | mr | 25 | 3 | 0 | .000 | 0 | 0 | .000 | 16 | 5.3 | 2 | 1 | .500 | 65.0 | .590 |
| Jorge Lopez | Bal | mr | 27 | 28 | 1 | .036 | 1 | 8 | .286 | 133 | 4.8 | 21 | 4 | .190 | 88.3 | .608 |
| Reynaldo Lopez | Bal | sp | 26 | 34 | 0 | .000 | 0 | 12 | .353 | 157 | 4.6 | 26 | 8 | .308 | 94.5 | .607 |
| Yoan Lopez | ChW | mr | 27 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 19 | 5 | .263 | 18.0 | .634 |
| Michael Lorenzen | Tor | mr | 28 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 10 | 1 | .100 | 25.0 | .629 |
| Elvis Luciano | Bal | mr | 20 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 28 | 15 | .536 | 30.9 | .527 |
| Lance Lynn | NYY | sp | 33 | 32 | 4 | .125 | 3 | 24 | .750 | 144 | 4.5 | 10 | 3 | .300 | 112.6 | .618 |
| Matt Magill | LAA | mr | 30 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 5 | 2 | .400 | 17.4 | .650 |
| Tyler Mahle | Min | sp | 25 | 27 | 0 | .000 | 0 | 10 | .370 | 123 | 4.6 | 21 | 10 | .476 | 88.4 | .623 |
| Nick Margevicius* | Sea | sp | 24 | 16 | 0 | .000 | 0 | 4 | .250 | 79 | 4.9 | 17 | 9 | .529 | 78.6 | .637 |
| German Marquez | Det | sp | 25 | 31 | 3 | .097 | 1 | 23 | .742 | 197 | 6.4 | 16 | 4 | .250 | 99.2 | .651 |
| Chris Martin | Cle | mr | 34 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 12 | 4 | .333 | 17.8 | .698 |
| Carlos Martinez | Det | cl | 28 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 13 | 1 | .077 | 19.3 | .595 |
| Phil Maton | Tex | mr | 27 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 7 | 3 | .429 | 27.5 | .616 |
| Steven Matz* | Oak | sp | 29 | 33 | 1 | .030 | 0 | 13 | .394 | 139 | 4.2 | 14 | 4 | .286 | 90.3 | .631 |
| Dustin May | NYY | mr | 22 | 4 | 0 | .000 | 0 | 3 | .750 | 21 | 5.3 | 3 | 2 | .667 | 97.8 | .668 |
| Tim Mayza* | Tor | mr | 28 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 4 | 0 | .000 | 22.5 | .633 |
| Jake McGee* | KC | mr | 33 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 12 | 4 | .333 | 21.5 | .618 |
| Brendan McKay* | Cle | sp | 24 | 13 | 0 | .000 | 0 | 5 | .385 | 55 | 4.2 | 12 | 7 | .583 | 94.2 | .633 |
| David McKay | KC | mr | 25 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 8 | 5 | .625 | 32.3 | .589 |
| Adalberto Mejia* | KC | mr | 27 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 12 | 4 | .333 | 27.6 | .578 |
| Mark Melancon | Bos | mr | 35 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 18 | 4 | .222 | 18.4 | .625 |
| Tim Melville | Cle | sp | 30 | 8 | 1 | .125 | 0 | 0 | .000 | 28 | 3.5 | 7 | 4 | .571 | 92.6 | .575 |
| Yohander Mendez* | Oak | mr | 25 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 6 | 3 | .500 | 16.4 | .557 |
| Daniel Mengden | Bos | sp | 27 | 12 | 0 | .000 | 0 | 6 | .500 | 62 | 5.2 | 9 | 3 | .333 | 82.8 | .609 |
| Wade Miley* | Tor | sp | 33 | 33 | 1 | .030 | 1 | 17 | .515 | 169 | 5.1 | 18 | 5 | .278 | 93.8 | .635 |
| Alec Mills | Bal | mr | 28 | 4 | 0 | .000 | 0 | 2 | .500 | 21 | 5.3 | 2 | 0 | .000 | 51.1 | .594 |
| Mike Minor* | Sea | sp | 32 | 33 | 1 | .030 | 0 | 16 | .485 | 132 | 4.0 | 26 | 7 | .269 | 105.4 | .622 |
| Mike Montgomery* | Bal | mr | 30 | 24 | 0 | .000 | 0 | 9 | .375 | 111 | 4.6 | 18 | 6 | .333 | 80.6 | .628 |
| Matt Moore* | TB | sp | 31 | 3 | 1 | .333 | 1 | 2 | .667 | 26 | 8.7 | 2 | 0 | .000 | 81.3 | .643 |
| Adam Morgan* | LAA | mr | 30 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 18 | 4 | .222 | 14.0 | .612 |
| Mike Morin | Bos | mr | 29 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 22 | 9 | .409 | 23.3 | .644 |
| Reyes Moronta | LAA | mr | 27 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 29 | 8 | .276 | 20.1 | .543 |
| Andres Munoz | TB | mr | 21 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 7 | 0 | .000 | 23.6 | .573 |
| Joe Musgrove | Min | sp | 27 | 30 | 2 | .067 | 0 | 16 | .533 | 164 | 5.5 | 18 | 3 | .167 | 95.8 | .659 |
| Jimmy Nelson | Bal | mr | 31 | 3 | 0 | .000 | 0 | 0 | .000 | 16 | 5.3 | 4 | 1 | .250 | 38.9 | .551 |
| Hector Neris | LAA | cl | 31 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 5 | 0 | .000 | 18.5 | .637 |
| Sean Newcomb* | Tor | mr | 27 | 3 | 0 | .000 | 0 | 1 | .333 | 12 | 4.0 | 23 | 6 | .261 | 36.1 | .588 |
| Hector Noesi | KC | mr | 33 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 0 | 0 | .000 | 35.0 | .514 |
| Aaron Nola | Min | sp | 27 | 34 | 2 | .059 | 1 | 21 | .618 | 168 | 4.9 | 21 | 2 | .095 | 102.8 | .613 |
| Daniel Norris* | Tor | sp | 27 | 32 | 0 | .000 | 0 | 12 | .375 | 206 | 6.4 | 21 | 9 | .429 | 80.1 | .632 |
| James Norwood | Det | mr | 26 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 0 | 0 | .000 | 27.0 | .370 |
| Ivan Nova | KC | sp | 33 | 34 | 5 | .147 | 0 | 10 | .294 | 113 | 3.3 | 21 | 9 | .429 | 103.5 | .627 |
| Darren O'Day | Sea | mr | 37 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 6 | 1 | .167 | 17.6 | .567 |
| Jake Odorizzi | ChW | sp | 30 | 33 | 1 | .030 | 1 | 21 | .636 | 159 | 4.8 | 24 | 7 | .292 | 101.2 | .618 |
| Roberto Osuna | Tor | cl | 25 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 3 | 0 | .000 | 21.6 | .663 |
| Chris Paddack | Tex | sp | 24 | 29 | 1 | .034 | 1 | 12 | .414 | 158 | 5.4 | 17 | 4 | .235 | 95.2 | .654 |
| Joe Palumbo* | Bos | sp | 25 | 3 | 0 | .000 | 0 | 0 | .000 | 20 | 6.7 | 3 | 1 | .333 | 13.5 | .667 |
| Thomas Pannone* |   | mr | 26 | 5 | 0 | .000 | 0 | 0 | .000 | 34 | 6.8 | 10 | 3 | .300 | 35.7 | .601 |
| Blake Parker | Det | mr | 35 | 1 | 0 | .000 | 0 | 0 | .000 | 5 | 5.0 | 22 | 3 | .136 | 20.5 | .618 |
| Wes Parsons | KC | mr | 27 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 23 | 6 | .261 | 27.7 | .544 |
| Brad Peacock | Det | sp | 32 | 20 | 0 | .000 | 0 | 4 | .200 | 111 | 5.6 | 11 | 3 | .273 | 78.8 | .602 |
| Freddy Peralta | ChW | mr | 24 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 19 | 7 | .368 | 30.8 | .621 |
| Wandy Peralta* | Tex | mr | 28 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 26 | 10 | .385 | 23.0 | .617 |
| Wily Peralta | KC | mr | 31 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 18 | 8 | .444 | 28.3 | .574 |
| Luis Perdomo | ChW | mr | 27 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 20 | 9 | .450 | 27.8 | .606 |
| Oliver Perez* | Oak | mr | 38 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 28 | 8 | .286 | 10.1 | .629 |
| Dillon Peters* | Bos | sp | 27 | 15 | 0 | .000 | 0 | 3 | .200 | 78 | 5.2 | 16 | 2 | .125 | 68.4 | .617 |
| Yusmeiro Petit | Bos | mr | 35 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 17 | 4 | .235 | 19.8 | .682 |
| Jake Petricka | Tex | mr | 32 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 1 | 1 | 1.000 | 18.2 | .555 |
| David Phelps | NYY | mr | 33 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 6 | 2 | .333 | 19.8 | .565 |
| Michael Pineda | LAA | sp | 31 | 28 | 0 | .000 | 0 | 17 | .607 | 168 | 6.0 | 17 | 9 | .529 | 94.6 | .661 |
| Adam Plutko | Bos | sp | 28 | 23 | 1 | .043 | 1 | 11 | .478 | 86 | 3.7 | 21 | 6 | .286 | 94.5 | .632 |
| Drew Pomeranz* | Bos | mr | 31 | 31 | 0 | .000 | 0 | 7 | .226 | 142 | 4.6 | 23 | 9 | .391 | 78.2 | .600 |
| Daniel Ponce de Leon | Hou | sp | 28 | 10 | 0 | .000 | 0 | 3 | .300 | 40 | 4.0 | 7 | 3 | .429 | 96.3 | .583 |
| David Price* | ChW | sp | 34 | 25 | 1 | .040 | 1 | 12 | .480 | 138 | 5.5 | 22 | 6 | .273 | 94.3 | .645 |
| Austin Pruitt | KC | mr | 30 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 0 | 0 | .000 | 31.0 | .677 |
| A.J. Puk* | NYY | mr | 25 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 0 | 0 | .000 | 19.2 | .604 |
| Cal Quantrill | ChW | sp | 25 | 21 | 0 | .000 | 0 | 10 | .476 | 84 | 4.0 | 18 | 3 | .167 | 91.7 | .652 |
| Sean Reid-Foley | Min | sp | 24 | 6 | 0 | .000 | 0 | 1 | .167 | 19 | 3.2 | 7 | 1 | .143 | 90.8 | .543 |
| Alex Reyes | ChW | mr | 25 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 1 | 1 | 1.000 | 6.0 | .500 |
| Trevor Richards | KC | sp | 27 | 25 | 4 | .160 | 0 | 13 | .520 | 130 | 5.2 | 22 | 10 | .455 | 100.3 | .605 |
| Tanner Roark | Tor | sp | 33 | 33 | 1 | .030 | 0 | 13 | .394 | 184 | 5.6 | 37 | 13 | .351 | 93.2 | .614 |
| Hansel Robles | Tor | cl | 29 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 30 | 9 | .300 | 23.6 | .641 |
| Richard Rodriguez | Sea | mr | 30 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 29 | 9 | .310 | 18.5 | .626 |
| Chaz Roe | Cle | mr | 33 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 18 | 7 | .389 | 19.4 | .568 |
| Fernando Romero | Det | mr | 25 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 0 | 0 | .000 | 21.0 | .571 |
| Randy Rosario* | Tex | mr | 26 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 8 | 5 | .625 | 13.4 | .605 |
| Kyle Ryan* | ChW | mr | 28 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 50 | 11 | .220 | 14.8 | .609 |
| Max Scherzer | Oak | sp | 35 | 30 | 2 | .067 | 1 | 20 | .667 | 144 | 4.8 | 13 | 4 | .308 | 103.8 | .661 |
| Justin Shafer | KC | mr | 27 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 5 | 2 | .400 | 31.8 | .553 |
| Bryan Shaw | Tex | mr | 32 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 31 | 9 | .290 | 21.5 | .596 |
| Matt Shoemaker | Sea | sp | 33 | 6 | 0 | .000 | 0 | 5 | .833 | 27 | 4.5 | 3 | 1 | .333 | 101.0 | .597 |
| Lucas Sims | Det | mr | 26 | 5 | 0 | .000 | 0 | 0 | .000 | 38 | 7.6 | 8 | 6 | .750 | 48.7 | .604 |
| Tony Sipp* | Sea | mr | 36 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 21 | 6 | .286 | 14.9 | .601 |
| Tyler Skaggs* | Tex | sp | 28 | 5 | 0 | .000 | 0 | 1 | .200 | 18 | 3.6 | 4 | 0 | .000 | 87.2 | .587 |
| Burch Smith | KC | mr | 30 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 4 | 3 | .750 | 22.5 | .511 |
| Will M Smith* | Min | cl | 30 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 1 | 0 | .000 | 17.9 | .612 |
| Drew Smyly* | Hou | sp | 31 | 25 | 0 | .000 | 0 | 2 | .080 | 128 | 5.1 | 19 | 7 | .368 | 79.4 | .587 |
| Mike Soroka | TB | sp | 22 | 33 | 1 | .030 | 0 | 19 | .576 | 140 | 4.2 | 21 | 8 | .381 | 101.8 | .618 |
| Craig Stammen | Hou | mr | 36 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 16 | 4 | .250 | 22.6 | .650 |
| Josh Staumont | TB | mr | 26 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 0 | 0 | .000 | 16.8 | .667 |
| Robert Stephenson | Bal | mr | 27 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 5 | 2 | .400 | 22.8 | .619 |
| Kohl Stewart | Sea | mr | 25 | 3 | 0 | .000 | 0 | 2 | .667 | 23 | 7.7 | 4 | 1 | .250 | 67.2 | .608 |
| Hunter Strickland | LAA | mr | 31 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 6 | 3 | .500 | 12.9 | .599 |
| Ross Stripling | Tex | mr | 30 | 23 | 1 | .043 | 0 | 6 | .261 | 123 | 5.3 | 27 | 20 | .741 | 84.1 | .637 |
| Marcus Stroman | TB | sp | 29 | 29 | 2 | .069 | 2 | 14 | .483 | 156 | 5.4 | 12 | 3 | .250 | 102.9 | .610 |
| Daniel Stumpf* | Det | mr | 29 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 13 | 5 | .385 | 10.6 | .617 |
| Jose Suarez* | Cle | sp | 22 | 18 | 0 | .000 | 0 | 3 | .167 | 74 | 4.1 | 18 | 5 | .278 | 87.7 | .612 |
| Ranger Suarez* | Cle | mr | 24 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 20 | 7 | .350 | 24.8 | .677 |
| Wander Suero | Tor | mr | 28 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 22 | 6 | .273 | 26.7 | .615 |
| Noah Syndergaard | TB | sp | 27 | 32 | 2 | .063 | 1 | 22 | .688 | 147 | 4.6 | 25 | 6 | .240 | 103.8 | .629 |
| Masahiro Tanaka | ChW | sp | 31 | 33 | 2 | .061 | 1 | 20 | .606 | 161 | 4.9 | 22 | 7 | .318 | 96.0 | .662 |
| Julio Teheran | NYY | sp | 29 | 33 | 0 | .000 | 0 | 16 | .485 | 167 | 5.1 | 23 | 5 | .217 | 100.9 | .584 |
| Lewis Thorpe* | ChW | mr | 24 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 5 | 2 | .400 | 20.0 | .610 |
| Josh Tomlin | LAA | mr | 35 | 1 | 0 | .000 | 0 | 0 | .000 | 4 | 4.0 | 18 | 3 | .167 | 27.6 | .683 |
| Touki Toussaint | LAA | mr | 24 | 2 | 0 | .000 | 0 | 1 | .500 | 5 | 2.5 | 4 | 1 | .250 | 53.3 | .554 |
| Sam Tuivailala | Det | mr | 27 | 1 | 0 | .000 | 0 | 0 | .000 | 3 | 3.0 | 11 | 2 | .182 | 27.6 | .599 |
| Spencer Turnbull | Bal | sp | 27 | 33 | 2 | .061 | 1 | 11 | .333 | 143 | 4.3 | 22 | 13 | .591 | 93.9 | .589 |
| Duane Underwood | Bal | mr | 25 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 8 | 2 | .250 | 19.9 | .639 |
| Jose Urena | Min | sp | 28 | 15 | 0 | .000 | 0 | 10 | .667 | 75 | 5.0 | 14 | 5 | .357 | 92.4 | .610 |
| Julio Urias* | Bal | mr | 23 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 22 | 8 | .364 | 27.6 | .604 |
| Jose Urquidy | Sea | sp | 25 | 7 | 0 | .000 | 0 | 2 | .286 | 24 | 3.4 | 8 | 5 | .625 | 77.9 | .665 |
| Vincent Velasquez | Tor | sp | 28 | 27 | 0 | .000 | 0 | 7 | .259 | 162 | 6.0 | 20 | 6 | .300 | 90.0 | .607 |
| Hector Velazquez | Sea | mr | 31 | 16 | 0 | .000 | 0 | 2 | .125 | 81 | 5.1 | 18 | 8 | .444 | 71.6 | .592 |
| Justin Verlander | Hou | sp | 37 | 34 | 2 | .059 | 1 | 18 | .529 | 147 | 4.3 | 17 | 5 | .294 | 104.2 | .645 |
| Nick Vincent | Bos | mr | 33 | 1 | 0 | .000 | 0 | 0 | .000 | 1 | 1.0 | 12 | 2 | .167 | 36.4 | .636 |
| Austin Voth | Oak | sp | 28 | 9 | 1 | .111 | 0 | 5 | .556 | 19 | 2.1 | 7 | 2 | .286 | 82.7 | .635 |
| Michael Wacha | Bos | sp | 28 | 28 | 0 | .000 | 0 | 7 | .250 | 149 | 5.3 | 26 | 12 | .462 | 75.3 | .597 |
| Jacob Waguespack | Tor | sp | 26 | 16 | 0 | .000 | 0 | 8 | .500 | 97 | 6.1 | 11 | 4 | .364 | 90.0 | .612 |
| Taijuan Walker | Hou | sp | 27 | 1 | 0 | .000 | 0 | 0 | .000 | 4 | 4.0 | 2 | 0 | .000 | 48.0 | .563 |
| Jared Walsh* | Bal | 1b | 26 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 4 | 2 | .500 | 28.7 | .503 |
| Wei-Chung Wang* | Det | mr | 28 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 14 | 2 | .143 | 20.8 | .578 |
| Art Warren | ChW | mr | 27 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 4 | 2 | .500 | 20.0 | .586 |
| Tony Watson* | NYY | mr | 35 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 2 | 1 | .500 | 20.0 | .638 |
| Luke Weaver | ChW | sp | 26 | 15 | 0 | .000 | 0 | 11 | .733 | 68 | 4.5 | 6 | 0 | .000 | 93.1 | .645 |
| Logan Webb | Bos | sp | 23 | 9 | 0 | .000 | 0 | 5 | .556 | 50 | 5.6 | 4 | 1 | .250 | 93.8 | .636 |
| Tyler Webb* | NYY | mr | 29 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 15 | 3 | .200 | 19.4 | .593 |
| Ryan Weber | Cle | mr | 29 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 7 | 3 | .429 | 19.9 | .693 |
| Trey Wingenter | NYY | mr | 26 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 0 | 0 | .000 | 13.0 | .718 |
| Daniel Winkler | Tex | mr | 30 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 19 | 8 | .421 | 19.2 | .536 |
| Matt Wisler | Sea | mr | 27 | 8 | 0 | .000 | 0 | 0 | .000 | 30 | 3.8 | 25 | 11 | .440 | 31.7 | .608 |
| Nick Wittgren | ChW | mr | 29 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 17 | 4 | .235 | 21.6 | .618 |
| Alex Wood* | Bal | sp | 29 | 8 | 0 | .000 | 0 | 3 | .375 | 39 | 4.9 | 6 | 5 | .833 | 90.9 | .618 |
| Kyle Wright | Sea | sp | 24 | 5 | 0 | .000 | 0 | 3 | .600 | 37 | 7.4 | 5 | 2 | .400 | 65.0 | .588 |
| Jimmy Yacabonis | Min | mr | 28 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 16 | 2 | .125 | 33.6 | .589 |
| Ryan Yarbrough* | LAA | sp | 28 | 21 | 2 | .095 | 1 | 12 | .571 | 102 | 4.9 | 17 | 10 | .588 | 88.7 | .660 |
| Kirby Yates | NYY | cl | 33 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 3 | 2 | .667 | 18.4 | .667 |
| T.J. Zeuch | LAA | sp | 24 | 4 | 0 | .000 | 0 | 3 | .750 | 8 | 2.0 | 1 | 0 | .000 | 84.0 | .664 |
| Jordan Zimmermann | Cle | sp | 34 | 23 | 0 | .000 | 0 | 11 | .478 | 121 | 5.3 | 12 | 2 | .167 | 91.4 | .655 |
| Relief |
| Name | Team | P | Age | SVO | S | SV% | BS | BS% | HLD | IR | IRS | IR% | G | GR | GF | PCH/G | STR% |
| Jason Adam | Tor | mr | 28 | 0 | 0 | .000 | 0 | .000 | 1 | 3 | 0 | .000 | 4 | 4 | 2 | 26.5 | .500 |
| Austin L Adams | LAA | mr | 29 | 6 | 3 | .500 | 2 | .333 | 11 | 27 | 11 | .407 | 35 | 33 | 12 | 21.3 | .583 |
| Dario Agrazal | KC | sp | 25 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 15 | 0 | 0 | 99.8 | .626 |
| Matt Albers |   | mr | 37 | 4 | 3 | .750 | 1 | .250 | 6 | 34 | 11 | .324 | 40 | 40 | 14 | 19.1 | .625 |
| Kolby Allard* | Min | sp | 22 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 8 | 0 | 0 | 85.3 | .610 |
| Dan Altavilla | Tex | mr | 27 | 1 | 1 | 1.000 | 0 | .000 | 2 | 19 | 6 | .316 | 20 | 20 | 5 | 18.8 | .521 |
| Brett Anderson* | TB | sp | 32 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 29 | 0 | 0 | 92.0 | .613 |
| Chase Anderson | TB | sp | 32 | 0 | 0 | .000 | 0 | .000 | 0 | 9 | 3 | .333 | 26 | 10 | 6 | 77.8 | .606 |
| Justin Anderson | TB | mr | 27 | 1 | 0 | .000 | 1 | 1.000 | 5 | 19 | 8 | .421 | 35 | 34 | 14 | 27.6 | .554 |
| Tanner Anderson | Cle | sp | 27 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 5 | 0 | 0 | 96.6 | .654 |
| Tyler Anderson* | Oak | sp | 30 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 3 | 0 | 0 | 72.7 | .578 |
| Rogelio Armenteros | Oak | cl | 26 | 0 | 0 | .000 | 0 | .000 | 1 | 5 | 0 | .000 | 9 | 7 | 0 | 41.8 | .662 |
| Shawn Armstrong | Hou | mr | 29 | 3 | 2 | .667 | 0 | .000 | 4 | 29 | 8 | .276 | 38 | 38 | 13 | 28.4 | .578 |
| Jake Arrieta | KC | sp | 34 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 24 | 0 | 0 | 98.7 | .615 |
| Luis Avilan* | TB | mr | 30 | 7 | 4 | .571 | 1 | .143 | 8 | 42 | 8 | .190 | 40 | 40 | 10 | 16.1 | .572 |
| Luke Bard | Oak | mr | 29 | 4 | 0 | .000 | 4 | 1.000 | 2 | 22 | 11 | .500 | 35 | 32 | 13 | 27.0 | .612 |
| Scott Barlow | Min | mr | 27 | 4 | 3 | .750 | 1 | .250 | 6 | 21 | 8 | .381 | 35 | 35 | 20 | 26.0 | .577 |
| Matt Barnes |   | mr | 30 | 3 | 1 | .333 | 1 | .333 | 9 | 30 | 7 | .233 | 56 | 56 | 18 | 21.9 | .597 |
| Trevor Bauer | Det | sp | 29 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 35 | 0 | 0 | 102.3 | .605 |
| Gerson Bautista | Tex | mr | 25 | 1 | 0 | .000 | 1 | 1.000 | 0 | 3 | 2 | .667 | 6 | 6 | 1 | 36.5 | .557 |
| Jalen Beeks* | Bos | mr | 26 | 5 | 3 | .600 | 2 | .400 | 4 | 32 | 8 | .250 | 38 | 36 | 16 | 37.7 | .630 |
| Dellin Betances | Oak | mr | 32 | 0 | 0 | .000 | 0 | .000 | 2 | 4 | 2 | .500 | 4 | 4 | 1 | 9.3 | .622 |
| Richard Bleier* | TB | mr | 33 | 3 | 2 | .667 | 1 | .333 | 10 | 45 | 9 | .200 | 53 | 53 | 13 | 20.2 | .641 |
| Jerry Blevins* | Sea | mr | 36 | 5 | 1 | .200 | 2 | .400 | 15 | 38 | 9 | .237 | 49 | 49 | 13 | 14.8 | .577 |
| Ronald Bolanos | Bos | sp | 23 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 4 | 0 | 0 | 87.8 | .553 |
| Ryan Borucki* | Min | sp | 26 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 2 | 0 | 0 | 56.5 | .531 |
| Matt Bowman | Hou | mr | 29 | 2 | 2 | 1.000 | 0 | .000 | 7 | 8 | 1 | .125 | 16 | 16 | 7 | 20.7 | .634 |
| Brad Boxberger | TB | mr | 32 | 2 | 0 | .000 | 1 | .500 | 0 | 5 | 3 | .600 | 11 | 11 | 4 | 30.3 | .562 |
| Matt Boyd* | LAA | sp | 29 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 33 | 0 | 0 | 93.5 | .648 |
| Brad Brach | ChW | mr | 34 | 0 | 0 | .000 | 0 | .000 | 4 | 28 | 2 | .071 | 33 | 33 | 9 | 17.6 | .610 |
| Brandon Brennan | Det | mr | 28 | 3 | 1 | .333 | 1 | .333 | 6 | 11 | 0 | .000 | 35 | 35 | 13 | 22.5 | .570 |
| Colten Brewer | Tex | mr | 27 | 6 | 1 | .167 | 4 | .667 | 8 | 34 | 19 | .559 | 58 | 58 | 12 | 22.3 | .556 |
| Zack Britton* | Oak | mr | 32 | 47 | 43 | .915 | 3 | .064 | 0 | 43 | 12 | .279 | 70 | 70 | 54 | 16.1 | .586 |
| Ryan Buchter* | NYY | mr | 33 | 2 | 0 | .000 | 2 | 1.000 | 11 | 7 | 1 | .143 | 28 | 28 | 10 | 18.1 | .547 |
| Madison Bumgarner* | LAA | sp | 30 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 35 | 0 | 0 | 94.0 | .654 |
| Dylan Bundy | NYY | sp | 27 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 32 | 0 | 0 | 96.8 | .611 |
| Corbin Burnes | NYY | mr | 25 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 4 | 0 | 0 | 96.5 | .583 |
| Genesis Cabrera* | Oak | mr | 23 | 0 | 0 | .000 | 0 | .000 | 1 | 5 | 1 | .200 | 12 | 10 | 4 | 28.3 | .559 |
| Trevor Cahill | Bal | mr | 32 | 0 | 0 | .000 | 0 | .000 | 0 | 3 | 0 | .000 | 26 | 3 | 3 | 72.7 | .600 |
| Griffin Canning | TB | sp | 24 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 19 | 0 | 0 | 95.8 | .580 |
| Ryan Carpenter* | Cle | sp | 29 | 0 | 0 | .000 | 0 | .000 | 0 | 2 | 2 | 1.000 | 11 | 1 | 1 | 74.6 | .639 |
| Andrew Cashner | Cle | sp | 33 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 26 | 0 | 0 | 96.8 | .590 |
| Miguel Castro | Sea | mr | 25 | 11 | 2 | .182 | 8 | .727 | 15 | 36 | 14 | .389 | 58 | 58 | 12 | 23.6 | .576 |
| Jhoulys Chacin | KC | sp | 32 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 23 | 0 | 0 | 105.2 | .573 |
| Andrew Chafin* | LAA | mr | 30 | 8 | 2 | .250 | 5 | .625 | 11 | 30 | 10 | .333 | 45 | 45 | 12 | 16.4 | .630 |
| Aroldis Chapman* | Tor | cl | 32 | 11 | 8 | .727 | 3 | .273 | 0 | 11 | 3 | .273 | 19 | 19 | 17 | 18.4 | .639 |
| Tyler Chatwood | NYY | mr | 30 | 1 | 1 | 1.000 | 0 | .000 | 3 | 8 | 2 | .250 | 28 | 28 | 16 | 29.9 | .588 |
| Yonny Chirinos | Det | sp | 26 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 24 | 1 | 0 | 92.9 | .654 |
| Steve Cishek | Bos | mr | 34 | 8 | 5 | .625 | 2 | .250 | 15 | 48 | 13 | .271 | 61 | 61 | 21 | 17.9 | .586 |
| Aaron Civale | Cle | sp | 25 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 13 | 0 | 0 | 95.7 | .638 |
| Taylor Clarke | Tor | sp | 27 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 15 | 0 | 0 | 85.2 | .621 |
| Alex Claudio* | Tex | mr | 28 | 11 | 8 | .727 | 3 | .273 | 7 | 48 | 20 | .417 | 66 | 66 | 24 | 18.0 | .590 |
| Tyler Clippard | Oak | mr | 35 | 11 | 4 | .364 | 6 | .545 | 17 | 18 | 9 | .500 | 57 | 54 | 13 | 20.5 | .627 |
| Alex Cobb | Bal | sp | 32 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 5 | 1 | 1 | 71.8 | .632 |
| Alex Colome | Min | cl | 31 | 8 | 6 | .750 | 2 | .250 | 11 | 44 | 9 | .205 | 54 | 54 | 25 | 23.2 | .608 |
| Dylan Covey | LAA | sp | 28 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 3 | 0 | 0 | 66.7 | .570 |
| Kyle Crick | Bal | mr | 27 | 6 | 3 | .500 | 2 | .333 | 12 | 32 | 13 | .406 | 57 | 57 | 15 | 21.5 | .558 |
| Johnny Cueto | Oak | sp | 34 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 5 | 0 | 0 | 72.8 | .602 |
| Yu Darvish | LAA | sp | 33 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 33 | 0 | 0 | 93.0 | .631 |
| Austin Davis* | Tex | mr | 27 | 1 | 0 | .000 | 1 | 1.000 | 2 | 19 | 6 | .316 | 19 | 19 | 12 | 25.3 | .548 |
| Jose De Leon | Bal | mr | 27 | 2 | 1 | .500 | 1 | .500 | 0 | 8 | 6 | .750 | 8 | 8 | 2 | 28.5 | .531 |
| Anthony DeSclafani | Min | sp | 30 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 32 | 0 | 0 | 95.5 | .639 |
| Chris Devenski | KC | mr | 29 | 3 | 1 | .333 | 1 | .333 | 4 | 25 | 6 | .240 | 24 | 24 | 10 | 24.3 | .616 |
| Edwin Diaz | NYY | cl | 26 | 4 | 0 | .000 | 3 | .750 | 11 | 16 | 9 | .563 | 33 | 33 | 11 | 20.4 | .655 |
| Jake Diekman* | TB | mr | 33 | 3 | 3 | 1.000 | 0 | .000 | 16 | 47 | 15 | .319 | 56 | 56 | 16 | 19.9 | .572 |
| Randy Dobnak | Oak | sp | 25 | 1 | 0 | .000 | 1 | 1.000 | 1 | 8 | 5 | .625 | 14 | 9 | 0 | 63.5 | .664 |
| Sean Doolittle* | Cle | cl | 33 | 6 | 1 | .167 | 3 | .500 | 6 | 31 | 7 | .226 | 54 | 54 | 16 | 18.0 | .655 |
| Oliver Drake | LAA | mr | 33 | 5 | 0 | .000 | 5 | 1.000 | 7 | 21 | 11 | .524 | 38 | 38 | 10 | 20.6 | .630 |
| Tyler Duffey | TB | mr | 29 | 21 | 17 | .810 | 4 | .190 | 9 | 36 | 9 | .250 | 63 | 63 | 34 | 21.7 | .623 |
| Danny Duffy* | NYY | sp | 31 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 28 | 0 | 0 | 102.9 | .614 |
| Robert Dugger | KC | sp | 24 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 7 | 0 | 0 | 91.1 | .564 |
| Justin Dunn | Hou | sp | 24 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 3 | 0 | 0 | 72.0 | .551 |
| Jon Duplantier | Sea | mr | 25 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 5 | 0 | 0 | 76.4 | .589 |
| Sam Dyson | Min | mr | 32 | 5 | 2 | .400 | 3 | .600 | 14 | 18 | 3 | .167 | 40 | 40 | 16 | 24.6 | .659 |
| Carl Edwards | Bal | mr | 28 | 2 | 1 | .500 | 1 | .500 | 3 | 17 | 4 | .235 | 27 | 27 | 12 | 21.3 | .543 |
| Nathan Eovaldi | Tex | sp | 30 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 14 | 0 | 0 | 79.7 | .580 |
| Carlos Estevez | NYY | mr | 27 | 2 | 0 | .000 | 1 | .500 | 6 | 28 | 9 | .321 | 44 | 44 | 13 | 23.9 | .630 |
| Marco Estrada | Det | sp | 36 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 4 | 0 | 0 | 29.8 | .605 |
| Peter Fairbanks | Det | mr | 26 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 2 | 2 | 1 | 10.0 | .750 |
| Buck Farmer | Min | mr | 29 | 3 | 1 | .333 | 2 | .667 | 3 | 17 | 5 | .294 | 24 | 24 | 14 | 23.1 | .588 |
| Erick Fedde | Sea | sp | 27 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 18 | 0 | 0 | 95.6 | .598 |
| Michael Feliz | Cle | mr | 27 | 10 | 6 | .600 | 3 | .300 | 4 | 39 | 20 | .513 | 60 | 60 | 24 | 20.5 | .599 |
| Matt Festa | Min | mr | 27 | 0 | 0 | .000 | 0 | .000 | 1 | 12 | 3 | .250 | 16 | 16 | 5 | 28.0 | .565 |
| Jack Flaherty | Det | sp | 24 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 34 | 0 | 0 | 101.6 | .631 |
| Dylan Floro | Min | mr | 29 | 1 | 1 | 1.000 | 0 | .000 | 0 | 22 | 8 | .364 | 26 | 26 | 16 | 27.2 | .632 |
| Kyle Freeland* | ChW | sp | 27 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 14 | 0 | 0 | 85.9 | .638 |
| Max Fried* | Oak | sp | 26 | 0 | 0 | .000 | 0 | .000 | 0 | 8 | 1 | .125 | 39 | 10 | 3 | 77.8 | .628 |
| Jace Fry* | Cle | mr | 26 | 2 | 1 | .500 | 1 | .500 | 9 | 41 | 8 | .195 | 48 | 48 | 11 | 16.3 | .553 |
| Paul Fry* | Oak | mr | 27 | 5 | 2 | .400 | 3 | .600 | 14 | 30 | 12 | .400 | 54 | 54 | 18 | 16.4 | .626 |
| Giovanny Gallegos | Hou | mr | 28 | 17 | 10 | .588 | 7 | .412 | 14 | 31 | 12 | .387 | 58 | 58 | 23 | 21.2 | .657 |
| Jarlin Garcia* | LAA | mr | 27 | 5 | 3 | .600 | 2 | .400 | 8 | 32 | 6 | .188 | 52 | 52 | 18 | 21.3 | .610 |
| Luis Garcia | KC | mr | 33 | 7 | 3 | .429 | 4 | .571 | 8 | 31 | 12 | .387 | 40 | 40 | 20 | 24.6 | .569 |
| Yimi Garcia | KC | mr | 29 | 10 | 8 | .800 | 1 | .100 | 6 | 14 | 4 | .286 | 34 | 34 | 20 | 22.3 | .646 |
| Cory Gearrin | Oak | mr | 34 | 6 | 0 | .000 | 3 | .500 | 8 | 24 | 10 | .417 | 37 | 35 | 3 | 12.4 | .540 |
| Kyle Gibson | Oak | sp | 32 | 1 | 1 | 1.000 | 0 | .000 | 0 | 5 | 4 | .800 | 33 | 8 | 3 | 78.2 | .619 |
| Ken Giles | ChW | cl | 29 | 44 | 39 | .886 | 5 | .114 | 1 | 28 | 7 | .250 | 57 | 57 | 50 | 19.6 | .634 |
| Tyler Glasnow | Sea | sp | 26 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 15 | 0 | 0 | 95.0 | .652 |
| Zack Godley | Bos | mr | 30 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 20 | 0 | 0 | 71.0 | .594 |
| Gio Gonzalez* | ChW | sp | 34 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 20 | 0 | 0 | 89.3 | .595 |
| Nick Goody | TB | mr | 28 | 7 | 1 | .143 | 5 | .714 | 4 | 30 | 12 | .400 | 33 | 33 | 9 | 16.4 | .581 |
| Jon Gray | Hou | sp | 28 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 28 | 0 | 0 | 97.3 | .609 |
| Chad Green | Oak | mr | 29 | 1 | 0 | .000 | 1 | 1.000 | 13 | 24 | 6 | .250 | 57 | 46 | 10 | 28.2 | .632 |
| Robert Gsellman | Oak | mr | 26 | 5 | 2 | .400 | 3 | .600 | 5 | 23 | 9 | .391 | 49 | 49 | 15 | 22.2 | .628 |
| Javy A Guerra | Tex | mr | 24 | 1 | 1 | 1.000 | 0 | .000 | 0 | 9 | 6 | .667 | 9 | 9 | 4 | 23.7 | .606 |
| Javy L Guerra | Det | mr | 34 | 4 | 2 | .500 | 2 | .500 | 6 | 39 | 22 | .564 | 50 | 50 | 19 | 29.9 | .663 |
| Junior Guerra | Hou | mr | 35 | 5 | 4 | .800 | 1 | .200 | 24 | 34 | 4 | .118 | 65 | 65 | 18 | 22.7 | .598 |
| Tayron Guerrero | Sea | mr | 29 | 2 | 1 | .500 | 0 | .000 | 5 | 38 | 17 | .447 | 44 | 44 | 14 | 25.5 | .534 |
| David Hale | Oak | mr | 32 | 1 | 0 | .000 | 1 | 1.000 | 3 | 10 | 6 | .600 | 20 | 20 | 8 | 35.0 | .644 |
| Matt Hall* | Bal | mr | 26 | 3 | 2 | .667 | 1 | .333 | 1 | 14 | 8 | .571 | 21 | 21 | 7 | 39.2 | .557 |
| Cole Hamels* | Hou | sp | 36 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 29 | 0 | 0 | 94.6 | .606 |
| Brad Hand* | Hou | cl | 30 | 31 | 24 | .774 | 7 | .226 | 5 | 29 | 6 | .207 | 52 | 52 | 39 | 19.4 | .641 |
| Will Harris | Det | mr | 35 | 15 | 8 | .533 | 7 | .467 | 21 | 42 | 10 | .238 | 64 | 64 | 16 | 18.7 | .614 |
| Matt Harvey | Sea | sp | 31 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 15 | 0 | 0 | 90.5 | .583 |
| Jeremy Hellickson | Bos | sp | 33 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 9 | 0 | 0 | 92.7 | .608 |
| Heath Hembree | Cle | mr | 31 | 4 | 2 | .500 | 1 | .250 | 5 | 38 | 16 | .421 | 49 | 49 | 16 | 20.1 | .626 |
| Liam Hendriks | Bal | cl | 31 | 23 | 15 | .652 | 8 | .348 | 3 | 40 | 19 | .475 | 69 | 68 | 34 | 24.5 | .653 |
| David Hernandez | Min | mr | 35 | 2 | 0 | .000 | 0 | .000 | 2 | 43 | 10 | .233 | 42 | 42 | 10 | 27.9 | .615 |
| Felix Hernandez | Cle | sp | 34 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 16 | 0 | 0 | 90.9 | .600 |
| Jonathan Hernandez | Tex | mr | 23 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 4 | 0 | 0 | 86.0 | .517 |
| David Hess | Min | sp | 26 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 8 | 0 | 0 | 81.8 | .601 |
| Jordan Hicks | ChW | cl | 23 | 11 | 8 | .727 | 3 | .273 | 2 | 23 | 13 | .565 | 27 | 27 | 23 | 14.0 | .631 |
| Rich Hill* | Hou | sp | 40 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 16 | 0 | 0 | 89.0 | .643 |
| Jeff Hoffman | Hou | sp | 27 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 16 | 0 | 0 | 89.4 | .593 |
| Jonathan Holder | Det | mr | 27 | 1 | 1 | 1.000 | 0 | .000 | 0 | 8 | 2 | .250 | 16 | 15 | 11 | 23.4 | .684 |
| Greg Holland | TB | cl | 34 | 7 | 3 | .429 | 3 | .429 | 4 | 33 | 9 | .273 | 36 | 36 | 17 | 23.3 | .556 |
| Clay Holmes | Hou | mr | 27 | 0 | 0 | .000 | 0 | .000 | 2 | 12 | 4 | .333 | 28 | 28 | 14 | 33.0 | .567 |
| James Hoyt | ChW | mr | 33 | 1 | 0 | .000 | 1 | 1.000 | 4 | 16 | 4 | .250 | 10 | 10 | 0 | 11.0 | .627 |
| Dakota Hudson | NYY | sp | 25 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 29 | 0 | 0 | 98.2 | .582 |
| Danny Hultzen* | Bal | mr | 30 | 0 | 0 | .000 | 0 | .000 | 2 | 5 | 3 | .600 | 10 | 10 | 2 | 26.4 | .549 |
| Tommy Hunter | Bal | mr | 33 | 0 | 0 | .000 | 0 | .000 | 1 | 4 | 0 | .000 | 9 | 9 | 5 | 14.2 | .648 |
| Cole Irvin* | Det | mr | 26 | 2 | 1 | .500 | 0 | .000 | 2 | 7 | 2 | .286 | 15 | 11 | 3 | 44.3 | .632 |
| Kenley Jansen | NYY | cl | 32 | 12 | 4 | .333 | 8 | .667 | 19 | 19 | 6 | .316 | 56 | 56 | 20 | 20.5 | .620 |
| Dan Jennings* | KC | mr | 33 | 1 | 0 | .000 | 1 | 1.000 | 0 | 2 | 2 | 1.000 | 2 | 2 | 2 | 30.5 | .590 |
| D.J. Johnson | Min | mr | 30 | 3 | 1 | .333 | 1 | .333 | 1 | 6 | 1 | .167 | 13 | 13 | 4 | 27.5 | .538 |
| Jake Junis | Tex | sp | 27 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 32 | 0 | 0 | 92.5 | .611 |
| Ariel Jurado | Tex | sp | 24 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 22 | 1 | 1 | 88.4 | .607 |
| Tommy Kahnle | Sea | mr | 30 | 24 | 21 | .875 | 3 | .125 | 2 | 46 | 7 | .152 | 59 | 59 | 43 | 19.1 | .606 |
| Anthony Kay* | Det | sp | 25 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 4 | 1 | 0 | 74.3 | .616 |
| Keone Kela | TB | mr | 27 | 16 | 13 | .813 | 3 | .188 | 3 | 22 | 3 | .136 | 31 | 31 | 21 | 17.8 | .597 |
| Brad Keller | Cle | sp | 24 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 30 | 0 | 0 | 102.5 | .612 |
| Mitch Keller | ChW | sp | 24 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 1 | 0 | 0 | 79.0 | .570 |
| Shawn Kelley | KC | mr | 36 | 12 | 10 | .833 | 2 | .167 | 1 | 27 | 6 | .222 | 29 | 29 | 24 | 16.7 | .651 |
| Ian Kennedy | Cle | cl | 35 | 15 | 11 | .733 | 4 | .267 | 0 | 15 | 6 | .400 | 24 | 24 | 19 | 17.6 | .686 |
| Tyler Kinley | Tex | mr | 29 | 15 | 10 | .667 | 4 | .267 | 8 | 41 | 17 | .415 | 59 | 59 | 29 | 20.2 | .558 |
| Brandon Kintzler | Tor | mr | 35 | 7 | 5 | .714 | 2 | .286 | 15 | 31 | 10 | .323 | 60 | 60 | 23 | 24.9 | .639 |
| Adam Kolarek* | Bos | mr | 31 | 5 | 2 | .400 | 2 | .400 | 26 | 36 | 4 | .111 | 69 | 69 | 13 | 9.4 | .663 |
| Travis Lakins | Tex | mr | 26 | 0 | 0 | .000 | 0 | .000 | 1 | 7 | 2 | .286 | 11 | 9 | 3 | 26.9 | .568 |
| Peter Lambert | KC | sp | 23 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 20 | 0 | 0 | 100.3 | .604 |
| Dinelson Lamet | KC | sp | 27 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 14 | 0 | 0 | 92.1 | .611 |
| Mike Leake | Tex | sp | 32 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 32 | 0 | 0 | 81.4 | .654 |
| Wade LeBlanc* | Sea | mr | 35 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 15 | 0 | 0 | 84.9 | .649 |
| Zack Littell | Sea | mr | 24 | 2 | 2 | 1.000 | 0 | .000 | 3 | 35 | 18 | .514 | 31 | 31 | 10 | 21.2 | .618 |
| Jonathan Loaisiga | Tor | mr | 25 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 3 | 0 | 0 | 65.0 | .590 |
| Jorge Lopez | Bal | mr | 27 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 28 | 0 | 0 | 88.3 | .608 |
| Reynaldo Lopez | Bal | sp | 26 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 34 | 0 | 0 | 94.5 | .607 |
| Yoan Lopez | ChW | mr | 27 | 3 | 1 | .333 | 1 | .333 | 9 | 32 | 12 | .375 | 46 | 46 | 15 | 18.0 | .634 |
| Michael Lorenzen | Tor | mr | 28 | 6 | 4 | .667 | 1 | .167 | 8 | 25 | 14 | .560 | 40 | 40 | 16 | 25.0 | .629 |
| Elvis Luciano | Bal | mr | 20 | 0 | 0 | .000 | 0 | .000 | 2 | 17 | 8 | .471 | 30 | 30 | 11 | 30.9 | .527 |
| Lance Lynn | NYY | sp | 33 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 32 | 0 | 0 | 112.6 | .618 |
| Matt Magill | LAA | mr | 30 | 1 | 0 | .000 | 1 | 1.000 | 1 | 4 | 0 | .000 | 13 | 13 | 4 | 17.4 | .650 |
| Tyler Mahle | Min | sp | 25 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 27 | 0 | 0 | 88.4 | .623 |
| Nick Margevicius* | Sea | sp | 24 | 0 | 0 | .000 | 0 | .000 | 1 | 1 | 0 | .000 | 17 | 1 | 0 | 78.6 | .637 |
| German Marquez | Det | sp | 25 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 31 | 0 | 0 | 99.2 | .651 |
| Chris Martin | Cle | mr | 34 | 8 | 3 | .375 | 4 | .500 | 14 | 46 | 15 | .326 | 59 | 59 | 24 | 17.8 | .698 |
| Carlos Martinez | Det | cl | 28 | 33 | 28 | .848 | 5 | .152 | 3 | 25 | 5 | .200 | 49 | 49 | 40 | 19.3 | .595 |
| Phil Maton | Tex | mr | 27 | 3 | 2 | .667 | 0 | .000 | 4 | 17 | 6 | .353 | 31 | 31 | 12 | 27.5 | .616 |
| Steven Matz* | Oak | sp | 29 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 33 | 0 | 0 | 90.3 | .631 |
| Dustin May | NYY | mr | 22 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 4 | 0 | 0 | 97.8 | .668 |
| Tim Mayza* | Tor | mr | 28 | 1 | 1 | 1.000 | 0 | .000 | 6 | 7 | 3 | .429 | 16 | 16 | 8 | 22.5 | .633 |
| Jake McGee* | KC | mr | 33 | 11 | 4 | .364 | 7 | .636 | 5 | 25 | 11 | .440 | 34 | 34 | 13 | 21.5 | .618 |
| Brendan McKay* | Cle | sp | 24 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 13 | 0 | 0 | 94.2 | .633 |
| David McKay | KC | mr | 25 | 2 | 1 | .500 | 1 | .500 | 1 | 9 | 3 | .333 | 12 | 12 | 6 | 32.3 | .589 |
| Adalberto Mejia* | KC | mr | 27 | 1 | 0 | .000 | 1 | 1.000 | 3 | 31 | 15 | .484 | 28 | 28 | 12 | 27.6 | .578 |
| Mark Melancon | Bos | mr | 35 | 36 | 28 | .778 | 8 | .222 | 6 | 40 | 15 | .375 | 64 | 64 | 42 | 18.4 | .625 |
| Tim Melville | Cle | sp | 30 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 8 | 0 | 0 | 92.6 | .575 |
| Yohander Mendez* | Oak | mr | 25 | 0 | 0 | .000 | 0 | .000 | 1 | 7 | 2 | .286 | 8 | 8 | 1 | 16.4 | .557 |
| Daniel Mengden | Bos | sp | 27 | 0 | 0 | .000 | 0 | .000 | 0 | 3 | 1 | .333 | 16 | 4 | 0 | 82.8 | .609 |
| Wade Miley* | Tor | sp | 33 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 33 | 0 | 0 | 93.8 | .635 |
| Alec Mills | Bal | mr | 28 | 2 | 2 | 1.000 | 0 | .000 | 0 | 14 | 7 | .500 | 16 | 12 | 6 | 51.1 | .594 |
| Mike Minor* | Sea | sp | 32 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 33 | 0 | 0 | 105.4 | .622 |
| Mike Montgomery* | Bal | mr | 30 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 24 | 0 | 0 | 80.6 | .628 |
| Matt Moore* | TB | sp | 31 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 3 | 0 | 0 | 81.3 | .643 |
| Adam Morgan* | LAA | mr | 30 | 3 | 1 | .333 | 0 | .000 | 7 | 25 | 6 | .240 | 42 | 42 | 19 | 14.0 | .612 |
| Mike Morin | Bos | mr | 29 | 7 | 0 | .000 | 5 | .714 | 8 | 31 | 11 | .355 | 56 | 56 | 12 | 23.3 | .644 |
| Reyes Moronta | LAA | mr | 27 | 6 | 1 | .167 | 5 | .833 | 20 | 27 | 11 | .407 | 55 | 55 | 11 | 20.1 | .543 |
| Andres Munoz | TB | mr | 21 | 6 | 5 | .833 | 1 | .167 | 5 | 11 | 1 | .091 | 18 | 18 | 8 | 23.6 | .573 |
| Joe Musgrove | Min | sp | 27 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 30 | 0 | 0 | 95.8 | .659 |
| Jimmy Nelson | Bal | mr | 31 | 3 | 1 | .333 | 2 | .667 | 0 | 11 | 5 | .455 | 17 | 14 | 10 | 38.9 | .551 |
| Hector Neris | LAA | cl | 31 | 38 | 34 | .895 | 4 | .105 | 2 | 32 | 6 | .188 | 62 | 62 | 49 | 18.5 | .637 |
| Sean Newcomb* | Tor | mr | 27 | 2 | 1 | .500 | 0 | .000 | 3 | 36 | 10 | .278 | 47 | 44 | 17 | 36.1 | .588 |
| Hector Noesi | KC | mr | 33 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 1 | 1 | 0 | 35.0 | .514 |
| Aaron Nola | Min | sp | 27 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 34 | 0 | 0 | 102.8 | .613 |
| Daniel Norris* | Tor | sp | 27 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 32 | 0 | 0 | 80.1 | .632 |
| James Norwood | Det | mr | 26 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 1 | 1 | 1 | 27.0 | .370 |
| Ivan Nova | KC | sp | 33 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 34 | 0 | 0 | 103.5 | .627 |
| Darren O'Day | Sea | mr | 37 | 5 | 3 | .600 | 2 | .400 | 2 | 1 | 0 | .000 | 8 | 8 | 4 | 17.6 | .567 |
| Jake Odorizzi | ChW | sp | 30 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 33 | 0 | 0 | 101.2 | .618 |
| Roberto Osuna | Tor | cl | 25 | 28 | 23 | .821 | 5 | .179 | 4 | 43 | 12 | .279 | 55 | 55 | 41 | 21.6 | .663 |
| Chris Paddack | Tex | sp | 24 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 29 | 0 | 0 | 95.2 | .654 |
| Joe Palumbo* | Bos | sp | 25 | 0 | 0 | .000 | 0 | .000 | 0 | 1 | 0 | .000 | 4 | 1 | 0 | 13.5 | .667 |
| Thomas Pannone* |   | mr | 26 | 1 | 0 | .000 | 0 | .000 | 3 | 25 | 11 | .440 | 39 | 34 | 11 | 35.7 | .601 |
| Blake Parker | Det | mr | 35 | 3 | 3 | 1.000 | 0 | .000 | 11 | 34 | 7 | .206 | 58 | 57 | 25 | 20.5 | .618 |
| Wes Parsons | KC | mr | 27 | 4 | 2 | .500 | 1 | .250 | 1 | 22 | 5 | .227 | 29 | 29 | 12 | 27.7 | .544 |
| Brad Peacock | Det | sp | 32 | 0 | 0 | .000 | 0 | .000 | 1 | 1 | 1 | 1.000 | 22 | 2 | 0 | 78.8 | .602 |
| Freddy Peralta | ChW | mr | 24 | 0 | 0 | .000 | 0 | .000 | 2 | 18 | 7 | .389 | 33 | 33 | 12 | 30.8 | .621 |
| Wandy Peralta* | Tex | mr | 28 | 3 | 2 | .667 | 1 | .333 | 5 | 30 | 7 | .233 | 48 | 48 | 19 | 23.0 | .617 |
| Wily Peralta | KC | mr | 31 | 2 | 2 | 1.000 | 0 | .000 | 4 | 22 | 9 | .409 | 32 | 32 | 10 | 28.3 | .574 |
| Luis Perdomo | ChW | mr | 27 | 4 | 1 | .250 | 2 | .500 | 10 | 23 | 9 | .391 | 44 | 44 | 15 | 27.8 | .606 |
| Oliver Perez* | Oak | mr | 38 | 5 | 1 | .200 | 3 | .600 | 11 | 46 | 7 | .152 | 52 | 52 | 9 | 10.1 | .629 |
| Dillon Peters* | Bos | sp | 27 | 0 | 0 | .000 | 0 | .000 | 0 | 4 | 4 | 1.000 | 19 | 4 | 2 | 68.4 | .617 |
| Yusmeiro Petit | Bos | mr | 35 | 9 | 3 | .333 | 4 | .444 | 36 | 53 | 14 | .264 | 79 | 79 | 19 | 19.8 | .682 |
| Jake Petricka | Tex | mr | 32 | 1 | 1 | 1.000 | 0 | .000 | 3 | 5 | 2 | .400 | 10 | 10 | 4 | 18.2 | .555 |
| David Phelps | NYY | mr | 33 | 0 | 0 | .000 | 0 | .000 | 2 | 3 | 0 | .000 | 12 | 12 | 5 | 19.8 | .565 |
| Michael Pineda | LAA | sp | 31 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 28 | 0 | 0 | 94.6 | .661 |
| Adam Plutko | Bos | sp | 28 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 23 | 0 | 0 | 94.5 | .632 |
| Drew Pomeranz* | Bos | mr | 31 | 0 | 0 | .000 | 0 | .000 | 0 | 2 | 1 | .500 | 32 | 1 | 0 | 78.2 | .600 |
| Daniel Ponce de Leon | Hou | sp | 28 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 10 | 0 | 0 | 96.3 | .583 |
| David Price* | ChW | sp | 34 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 25 | 0 | 0 | 94.3 | .645 |
| Austin Pruitt | KC | mr | 30 | 0 | 0 | .000 | 0 | .000 | 0 | 2 | 2 | 1.000 | 3 | 3 | 2 | 31.0 | .677 |
| A.J. Puk* | NYY | mr | 25 | 0 | 0 | .000 | 0 | .000 | 2 | 1 | 1 | 1.000 | 5 | 5 | 1 | 19.2 | .604 |
| Cal Quantrill | ChW | sp | 25 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 21 | 0 | 0 | 91.7 | .652 |
| Sean Reid-Foley | Min | sp | 24 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 6 | 0 | 0 | 90.8 | .543 |
| Alex Reyes | ChW | mr | 25 | 0 | 0 | .000 | 0 | .000 | 0 | 3 | 0 | .000 | 4 | 4 | 2 | 6.0 | .500 |
| Trevor Richards | KC | sp | 27 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 25 | 0 | 0 | 100.3 | .605 |
| Tanner Roark | Tor | sp | 33 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 33 | 0 | 0 | 93.2 | .614 |
| Hansel Robles | Tor | cl | 29 | 4 | 1 | .250 | 2 | .500 | 20 | 32 | 7 | .219 | 54 | 54 | 16 | 23.6 | .641 |
| Richard Rodriguez | Sea | mr | 30 | 12 | 6 | .500 | 3 | .250 | 7 | 45 | 11 | .244 | 60 | 60 | 27 | 18.5 | .626 |
| Chaz Roe | Cle | mr | 33 | 5 | 3 | .600 | 1 | .200 | 3 | 47 | 15 | .319 | 59 | 59 | 29 | 19.4 | .568 |
| Fernando Romero | Det | mr | 25 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 1 | 1 | 0 | 21.0 | .571 |
| Randy Rosario* | Tex | mr | 26 | 3 | 1 | .333 | 1 | .333 | 2 | 21 | 5 | .238 | 23 | 23 | 8 | 13.4 | .605 |
| Kyle Ryan* | ChW | mr | 28 | 7 | 1 | .143 | 1 | .143 | 22 | 51 | 11 | .216 | 68 | 68 | 12 | 14.8 | .609 |
| Max Scherzer | Oak | sp | 35 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 30 | 0 | 0 | 103.8 | .661 |
| Justin Shafer | KC | mr | 27 | 0 | 0 | .000 | 0 | .000 | 4 | 27 | 18 | .667 | 31 | 31 | 12 | 31.8 | .553 |
| Bryan Shaw | Tex | mr | 32 | 1 | 0 | .000 | 1 | 1.000 | 3 | 58 | 20 | .345 | 67 | 67 | 14 | 21.5 | .596 |
| Matt Shoemaker | Sea | sp | 33 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 6 | 0 | 0 | 101.0 | .597 |
| Lucas Sims | Det | mr | 26 | 2 | 1 | .500 | 0 | .000 | 4 | 11 | 2 | .182 | 23 | 18 | 6 | 48.7 | .604 |
| Tony Sipp* | Sea | mr | 36 | 5 | 2 | .400 | 0 | .000 | 9 | 19 | 4 | .211 | 41 | 41 | 11 | 14.9 | .601 |
| Tyler Skaggs* | Tex | sp | 28 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 5 | 0 | 0 | 87.2 | .587 |
| Burch Smith | KC | mr | 30 | 1 | 1 | 1.000 | 0 | .000 | 1 | 1 | 0 | .000 | 4 | 4 | 2 | 22.5 | .511 |
| Will M Smith* | Min | cl | 30 | 36 | 31 | .861 | 5 | .139 | 0 | 24 | 6 | .250 | 47 | 47 | 44 | 17.9 | .612 |
| Drew Smyly* | Hou | sp | 31 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 25 | 0 | 0 | 79.4 | .587 |
| Mike Soroka | TB | sp | 22 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 33 | 0 | 0 | 101.8 | .618 |
| Craig Stammen | Hou | mr | 36 | 1 | 0 | .000 | 0 | .000 | 5 | 14 | 1 | .071 | 47 | 47 | 21 | 22.6 | .650 |
| Josh Staumont | TB | mr | 26 | 1 | 1 | 1.000 | 0 | .000 | 0 | 2 | 1 | .500 | 5 | 5 | 4 | 16.8 | .667 |
| Robert Stephenson | Bal | mr | 27 | 4 | 3 | .750 | 1 | .250 | 5 | 52 | 17 | .327 | 58 | 58 | 19 | 22.8 | .619 |
| Kohl Stewart | Sea | mr | 25 | 0 | 0 | .000 | 0 | .000 | 0 | 7 | 5 | .714 | 12 | 9 | 5 | 67.2 | .608 |
| Hunter Strickland | LAA | mr | 31 | 2 | 0 | .000 | 1 | .500 | 4 | 10 | 3 | .300 | 18 | 18 | 6 | 12.9 | .599 |
| Ross Stripling | Tex | mr | 30 | 0 | 0 | .000 | 0 | .000 | 1 | 0 | 0 | .000 | 25 | 2 | 0 | 84.1 | .637 |
| Marcus Stroman | TB | sp | 29 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 29 | 0 | 0 | 102.9 | .610 |
| Daniel Stumpf* | Det | mr | 29 | 3 | 1 | .333 | 0 | .000 | 6 | 23 | 1 | .043 | 25 | 25 | 4 | 10.6 | .617 |
| Jose Suarez* | Cle | sp | 22 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 18 | 0 | 0 | 87.7 | .612 |
| Ranger Suarez* | Cle | mr | 24 | 2 | 0 | .000 | 1 | .500 | 4 | 31 | 12 | .387 | 36 | 36 | 6 | 24.8 | .677 |
| Wander Suero | Tor | mr | 28 | 3 | 1 | .333 | 2 | .667 | 8 | 59 | 22 | .373 | 63 | 63 | 19 | 26.7 | .615 |
| Noah Syndergaard | TB | sp | 27 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 32 | 0 | 0 | 103.8 | .629 |
| Masahiro Tanaka | ChW | sp | 31 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 33 | 0 | 0 | 96.0 | .662 |
| Julio Teheran | NYY | sp | 29 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 33 | 0 | 0 | 100.9 | .584 |
| Lewis Thorpe* | ChW | mr | 24 | 0 | 0 | .000 | 0 | .000 | 0 | 3 | 0 | .000 | 5 | 5 | 2 | 20.0 | .610 |
| Josh Tomlin | LAA | mr | 35 | 2 | 1 | .500 | 0 | .000 | 1 | 30 | 10 | .333 | 40 | 39 | 15 | 27.6 | .683 |
| Touki Toussaint | LAA | mr | 24 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 4 | 2 | 2 | 53.3 | .554 |
| Sam Tuivailala | Det | mr | 27 | 3 | 3 | 1.000 | 0 | .000 | 4 | 10 | 2 | .200 | 27 | 26 | 11 | 27.6 | .599 |
| Spencer Turnbull | Bal | sp | 27 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 33 | 0 | 0 | 93.9 | .589 |
| Duane Underwood | Bal | mr | 25 | 1 | 0 | .000 | 0 | .000 | 3 | 9 | 2 | .222 | 16 | 16 | 6 | 19.9 | .639 |
| Jose Urena | Min | sp | 28 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 15 | 0 | 0 | 92.4 | .610 |
| Julio Urias* | Bal | mr | 23 | 7 | 5 | .714 | 2 | .286 | 5 | 28 | 10 | .357 | 59 | 59 | 21 | 27.6 | .604 |
| Jose Urquidy | Sea | sp | 25 | 0 | 0 | .000 | 0 | .000 | 0 | 2 | 1 | .500 | 13 | 6 | 2 | 77.9 | .665 |
| Vincent Velasquez | Tor | sp | 28 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 27 | 0 | 0 | 90.0 | .607 |
| Hector Velazquez | Sea | mr | 31 | 1 | 1 | 1.000 | 0 | .000 | 0 | 4 | 0 | .000 | 22 | 6 | 3 | 71.6 | .592 |
| Justin Verlander | Hou | sp | 37 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 34 | 0 | 0 | 104.2 | .645 |
| Nick Vincent | Bos | mr | 33 | 1 | 1 | 1.000 | 0 | .000 | 0 | 24 | 11 | .458 | 36 | 35 | 17 | 36.4 | .636 |
| Austin Voth | Oak | sp | 28 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 10 | 1 | 0 | 82.7 | .635 |
| Michael Wacha | Bos | sp | 28 | 0 | 0 | .000 | 0 | .000 | 0 | 1 | 0 | .000 | 29 | 1 | 1 | 75.3 | .597 |
| Jacob Waguespack | Tor | sp | 26 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 16 | 0 | 0 | 90.0 | .612 |
| Taijuan Walker | Hou | sp | 27 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 1 | 0 | 0 | 48.0 | .563 |
| Jared Walsh* | Bal | 1b | 26 | 0 | 0 | .000 | 0 | .000 | 0 | 12 | 4 | .333 | 11 | 11 | 5 | 28.7 | .503 |
| Wei-Chung Wang* | Det | mr | 28 | 4 | 1 | .250 | 2 | .500 | 2 | 21 | 10 | .476 | 24 | 24 | 6 | 20.8 | .578 |
| Art Warren | ChW | mr | 27 | 2 | 1 | .500 | 1 | .500 | 2 | 12 | 4 | .333 | 11 | 11 | 4 | 20.0 | .586 |
| Tony Watson* | NYY | mr | 35 | 1 | 0 | .000 | 1 | 1.000 | 1 | 14 | 5 | .357 | 23 | 23 | 11 | 20.0 | .638 |
| Luke Weaver | ChW | sp | 26 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 15 | 0 | 0 | 93.1 | .645 |
| Logan Webb | Bos | sp | 23 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 9 | 0 | 0 | 93.8 | .636 |
| Tyler Webb* | NYY | mr | 29 | 3 | 1 | .333 | 2 | .667 | 11 | 28 | 8 | .286 | 51 | 51 | 14 | 19.4 | .593 |
| Ryan Weber | Cle | mr | 29 | 1 | 1 | 1.000 | 0 | .000 | 4 | 9 | 2 | .222 | 17 | 17 | 10 | 19.9 | .693 |
| Trey Wingenter | NYY | mr | 26 | 0 | 0 | .000 | 0 | .000 | 1 | 2 | 0 | .000 | 3 | 3 | 1 | 13.0 | .718 |
| Daniel Winkler | Tex | mr | 30 | 5 | 0 | .000 | 5 | 1.000 | 4 | 18 | 14 | .778 | 31 | 31 | 9 | 19.2 | .536 |
| Matt Wisler | Sea | mr | 27 | 2 | 0 | .000 | 1 | .500 | 0 | 44 | 13 | .295 | 49 | 41 | 15 | 31.7 | .608 |
| Nick Wittgren | ChW | mr | 29 | 6 | 1 | .167 | 5 | .833 | 14 | 38 | 8 | .211 | 55 | 55 | 14 | 21.6 | .618 |
| Alex Wood* | Bal | sp | 29 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 8 | 0 | 0 | 90.9 | .618 |
| Kyle Wright | Sea | sp | 24 | 0 | 0 | .000 | 0 | .000 | 0 | 2 | 2 | 1.000 | 8 | 3 | 2 | 65.0 | .588 |
| Jimmy Yacabonis | Min | mr | 28 | 1 | 1 | 1.000 | 0 | .000 | 3 | 18 | 8 | .444 | 25 | 25 | 4 | 33.6 | .589 |
| Ryan Yarbrough* | LAA | sp | 28 | 1 | 0 | .000 | 0 | .000 | 0 | 3 | 3 | 1.000 | 23 | 2 | 0 | 88.7 | .660 |
| Kirby Yates | NYY | cl | 33 | 44 | 43 | .977 | 1 | .023 | 0 | 23 | 1 | .043 | 59 | 59 | 52 | 18.4 | .667 |
| T.J. Zeuch | LAA | sp | 24 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 4 | 0 | 0 | 84.0 | .664 |
| Jordan Zimmermann | Cle | sp | 34 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 23 | 0 | 0 | 91.4 | .655 |