League pitching register - 2020
Regular season
| Primary |
| Name | Team | P | Age | ERA | W | L | S | G | GS | CG | SHO | INN | H | R | ER | BB | K | HR | GDP |
| Fernando Abad* | Pit | mr | 34 | 3.68 | 0 | 1 | 1 | 17 | 0 | 0 | 0 | 22.0 | 18 | 11 | 9 | 9 | 17 | 2 | 2 |
| Jason Adam | NYM | mr | 28 | 0.00 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 2.0 | 1 | 2 | 0 | 3 | 1 | 0 | 0 |
| Chance Adams | Mia | mr | 25 | 0.00 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0.2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| Sandy Alcantara | SD | sp | 24 | 5.16 | 12 | 15 | 0 | 35 | 33 | 0 | 0 | 198.2 | 201 | 130 | 114 | 63 | 152 | 29 | 21 |
| Victor Alcantara | LAD | mr | 27 | 4.50 | 1 | 0 | 1 | 27 | 0 | 0 | 0 | 40.0 | 39 | 26 | 20 | 16 | 24 | 9 | 7 |
| Scott Alexander* | LAD | mr | 30 | 8.25 | 1 | 0 | 0 | 17 | 0 | 0 | 0 | 24.0 | 37 | 22 | 22 | 13 | 12 | 1 | 3 |
| Tyler Alexander* | LAD | sp | 25 | 4.60 | 1 | 1 | 2 | 28 | 0 | 0 | 0 | 72.1 | 74 | 38 | 37 | 9 | 63 | 12 | 9 |
| Cody Allen | Phi | mr | 31 | 9.00 | 0 | 0 | 1 | 23 | 0 | 0 | 0 | 27.0 | 42 | 34 | 27 | 18 | 39 | 16 | 0 |
| Logan Allen* | SD | mr | 23 | 13.94 | 0 | 0 | 0 | 11 | 0 | 0 | 0 | 10.1 | 25 | 18 | 16 | 7 | 6 | 5 | 3 |
| Yency Almonte | Mia | mr | 26 | 5.31 | 0 | 3 | 1 | 29 | 0 | 0 | 0 | 40.2 | 41 | 27 | 24 | 6 | 41 | 7 | 1 |
| Jose Alvarado* | Pit | mr | 25 | 5.72 | 1 | 3 | 1 | 35 | 0 | 0 | 0 | 45.2 | 43 | 33 | 29 | 42 | 55 | 7 | 5 |
| Jose Alvarez* | Mil | mr | 31 | 5.70 | 3 | 1 | 1 | 25 | 0 | 0 | 0 | 23.2 | 33 | 17 | 15 | 4 | 22 | 5 | 3 |
| Adbert Alzolay | ChC | sp | 25 | 6.75 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 2.2 | 2 | 2 | 2 | 2 | 5 | 0 | 0 |
| Nick Anderson | SD | mr | 29 | 3.01 | 7 | 4 | 26 | 67 | 0 | 0 | 0 | 71.2 | 61 | 25 | 24 | 22 | 130 | 10 | 0 |
| Shaun Anderson | SF | sp | 25 | 7.10 | 3 | 6 | 0 | 15 | 12 | 0 | 0 | 77.1 | 91 | 61 | 61 | 25 | 54 | 14 | 6 |
| Matt Andriese | SF | mr | 30 | 4.52 | 2 | 2 | 1 | 51 | 0 | 0 | 0 | 83.2 | 91 | 43 | 42 | 14 | 88 | 9 | 4 |
| Victor Arano | Pit | mr | 25 | 1.35 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 6.2 | 6 | 1 | 1 | 1 | 5 | 0 | 2 |
| Chris Archer | Mia | sp | 31 | 2.55 | 13 | 5 | 0 | 26 | 26 | 0 | 0 | 148.1 | 96 | 49 | 42 | 72 | 188 | 19 | 9 |
| Pedro Avila | Mia | sp | 23 | 0.79 | 1 | 0 | 0 | 2 | 2 | 0 | 0 | 11.1 | 9 | 1 | 1 | 3 | 4 | 1 | 1 |
| Michel Baez | Mil | mr | 24 | 2.45 | 4 | 2 | 3 | 29 | 0 | 0 | 0 | 33.0 | 20 | 9 | 9 | 10 | 31 | 1 | 2 |
| Pedro Baez | Col | mr | 32 | 2.98 | 3 | 1 | 10 | 49 | 0 | 0 | 0 | 63.1 | 51 | 24 | 21 | 23 | 65 | 7 | 7 |
| Homer Bailey | SF | sp | 34 | 3.96 | 6 | 13 | 0 | 33 | 33 | 0 | 0 | 195.1 | 187 | 96 | 86 | 65 | 173 | 37 | 15 |
| Kyle Barraclough | Atl | mr | 30 | 5.92 | 0 | 1 | 1 | 17 | 0 | 0 | 0 | 24.1 | 26 | 18 | 16 | 7 | 22 | 9 | 0 |
| Jaime Barria | Atl | sp | 23 | 4.89 | 5 | 7 | 1 | 24 | 15 | 0 | 0 | 88.1 | 86 | 55 | 48 | 35 | 90 | 15 | 6 |
| Tyler Bashlor | Phi | mr | 27 | 5.11 | 1 | 2 | 0 | 28 | 0 | 0 | 0 | 37.0 | 31 | 23 | 21 | 23 | 32 | 8 | 4 |
| Anthony Bass | Mil | mr | 32 | 2.72 | 4 | 6 | 4 | 43 | 0 | 0 | 0 | 56.1 | 37 | 17 | 17 | 19 | 46 | 3 | 2 |
| Chris Bassitt | Was | sp | 31 | 5.28 | 6 | 10 | 0 | 28 | 28 | 0 | 0 | 163.2 | 177 | 99 | 96 | 55 | 162 | 31 | 11 |
| Cam Bedrosian | Ari | mr | 28 | 4.09 | 3 | 5 | 24 | 56 | 0 | 0 | 0 | 81.1 | 69 | 38 | 37 | 46 | 75 | 7 | 13 |
| Tyler Beede | NYM | sp | 27 | 5.52 | 3 | 13 | 0 | 27 | 25 | 2 | 1 | 135.1 | 142 | 92 | 83 | 53 | 131 | 31 | 10 |
| Jose Berrios | Cin | sp | 26 | 4.38 | 19 | 8 | 0 | 33 | 33 | 5 | 2 | 222.0 | 216 | 116 | 108 | 57 | 218 | 34 | 13 |
| Chad Bettis | NYM | mr | 31 | 2.62 | 4 | 0 | 0 | 9 | 3 | 1 | 0 | 34.1 | 33 | 10 | 10 | 2 | 25 | 2 | 3 |
| Joe Biagini | NYM | mr | 30 | 5.77 | 0 | 2 | 1 | 31 | 0 | 0 | 0 | 48.1 | 48 | 31 | 31 | 19 | 50 | 8 | 1 |
| Shane Bieber | Col | sp | 25 | 3.17 | 19 | 9 | 0 | 35 | 35 | 0 | 0 | 233.0 | 208 | 87 | 82 | 49 | 309 | 34 | 15 |
| Buddy Boshers* | Phi | mr | 32 | 4.54 | 2 | 0 | 0 | 30 | 0 | 0 | 0 | 41.2 | 43 | 22 | 21 | 22 | 58 | 6 | 4 |
| Archie Bradley | Was | cl | 27 | 5.29 | 3 | 5 | 2 | 54 | 0 | 0 | 0 | 64.2 | 73 | 46 | 38 | 25 | 74 | 8 | 7 |
| Ryan Brasier | StL | mr | 32 | 4.54 | 2 | 1 | 0 | 48 | 0 | 0 | 0 | 71.1 | 67 | 39 | 36 | 26 | 82 | 8 | 3 |
| Steven Brault* | Mil | sp | 28 | 2.64 | 16 | 2 | 0 | 22 | 22 | 0 | 0 | 136.1 | 112 | 42 | 40 | 55 | 101 | 14 | 26 |
| John Brebbia | StL | mr | 30 | 2.13 | 0 | 0 | 1 | 55 | 0 | 0 | 0 | 84.2 | 54 | 21 | 20 | 19 | 105 | 6 | 2 |
| Austin Brice | SF | mr | 28 | 3.60 | 6 | 2 | 5 | 36 | 0 | 0 | 0 | 50.0 | 37 | 21 | 20 | 12 | 50 | 10 | 2 |
| Jeff Brigham | SF | mr | 28 | 5.85 | 3 | 1 | 0 | 22 | 0 | 0 | 0 | 32.1 | 40 | 27 | 21 | 10 | 30 | 8 | 8 |
| Aaron Brooks | Atl | sp | 30 | 4.65 | 5 | 6 | 2 | 61 | 7 | 0 | 0 | 118.0 | 127 | 65 | 61 | 32 | 97 | 21 | 12 |
| Clay Buchholz | NYM | sp | 35 | 4.41 | 6 | 8 | 0 | 20 | 20 | 0 | 0 | 114.1 | 117 | 66 | 56 | 30 | 91 | 23 | 16 |
| Walker Buehler | Was | sp | 25 | 3.82 | 18 | 5 | 0 | 33 | 33 | 2 | 2 | 224.0 | 215 | 102 | 95 | 32 | 275 | 25 | 6 |
| Aaron Bummer* | ChC | mr | 26 | 1.39 | 2 | 2 | 47 | 62 | 0 | 0 | 0 | 71.1 | 37 | 12 | 11 | 20 | 76 | 5 | 17 |
| Ryan Burr | Atl | mr | 26 | 2.08 | 1 | 1 | 1 | 7 | 0 | 0 | 0 | 8.2 | 5 | 2 | 2 | 4 | 4 | 1 | 0 |
| Ty Buttrey | NYM | mr | 27 | 3.39 | 4 | 3 | 2 | 59 | 0 | 0 | 0 | 79.2 | 60 | 34 | 30 | 21 | 102 | 11 | 6 |
| Carlos Carrasco | StL | sp | 33 | 5.27 | 5 | 6 | 0 | 18 | 18 | 0 | 0 | 94.0 | 105 | 64 | 55 | 14 | 125 | 18 | 6 |
| Diego Castillo | Cin | mr | 26 | 4.52 | 7 | 3 | 5 | 47 | 0 | 0 | 0 | 69.2 | 67 | 40 | 35 | 20 | 91 | 13 | 12 |
| Luis Castillo | Phi | sp | 27 | 3.74 | 10 | 17 | 0 | 32 | 32 | 2 | 0 | 212.0 | 158 | 90 | 88 | 71 | 239 | 30 | 19 |
| Dylan Cease | SD | sp | 24 | 6.90 | 3 | 5 | 0 | 13 | 12 | 0 | 0 | 61.1 | 75 | 47 | 47 | 29 | 66 | 19 | 14 |
| Luis Cessa | Was | mr | 28 | 4.56 | 5 | 2 | 0 | 46 | 0 | 0 | 0 | 79.0 | 76 | 45 | 40 | 26 | 70 | 18 | 17 |
| Aroldis Chapman* | NYM | cl | 32 | 0.36 | 1 | 1 | 15 | 27 | 0 | 0 | 0 | 24.2 | 11 | 3 | 1 | 17 | 42 | 1 | 1 |
| Jesse Chavez | Ari | mr | 36 | 3.31 | 1 | 1 | 1 | 18 | 0 | 0 | 0 | 32.2 | 32 | 12 | 12 | 6 | 28 | 3 | 0 |
| Wei-Yin Chen* | SD | mr | 34 | 6.20 | 0 | 2 | 0 | 14 | 0 | 0 | 0 | 20.1 | 27 | 14 | 14 | 2 | 21 | 4 | 1 |
| Emmanuel Clase | StL | mr | 22 | 3.18 | 1 | 1 | 0 | 15 | 0 | 0 | 0 | 17.0 | 14 | 6 | 6 | 5 | 11 | 2 | 1 |
| Mike Clevinger | Phi | sp | 29 | 2.58 | 5 | 12 | 0 | 24 | 24 | 3 | 1 | 160.1 | 131 | 53 | 46 | 34 | 237 | 16 | 7 |
| Gerrit Cole | Col | sp | 29 | 1.86 | 22 | 7 | 0 | 34 | 34 | 4 | 2 | 227.2 | 156 | 50 | 47 | 52 | 375 | 23 | 9 |
| Taylor Cole | Cin | mr | 30 | 4.82 | 0 | 0 | 0 | 7 | 0 | 0 | 0 | 9.1 | 14 | 5 | 5 | 5 | 10 | 0 | 2 |
| Adam Conley* | Phi | mr | 30 | 4.58 | 0 | 3 | 1 | 62 | 0 | 0 | 0 | 72.2 | 89 | 47 | 37 | 28 | 77 | 15 | 5 |
| Sam Coonrod | SF | mr | 27 | 2.64 | 4 | 0 | 0 | 32 | 0 | 0 | 0 | 44.1 | 33 | 16 | 13 | 27 | 31 | 2 | 7 |
| Patrick Corbin* | Atl | sp | 30 | 3.27 | 16 | 7 | 0 | 37 | 36 | 0 | 0 | 223.0 | 167 | 82 | 81 | 81 | 292 | 22 | 10 |
| Jimmy Cordero | Atl | mr | 28 | 0.84 | 0 | 0 | 2 | 10 | 0 | 0 | 0 | 10.2 | 3 | 1 | 1 | 4 | 10 | 1 | 2 |
| Nestor Cortes* | ChC | mr | 25 | 5.79 | 1 | 0 | 0 | 8 | 2 | 0 | 0 | 18.2 | 21 | 12 | 12 | 10 | 23 | 4 | 1 |
| Stefan Crichton | Mil | mr | 28 | 3.15 | 1 | 0 | 2 | 28 | 0 | 0 | 0 | 34.1 | 32 | 12 | 12 | 8 | 35 | 4 | 1 |
| Zach Davies | Pit | sp | 27 | 3.45 | 9 | 14 | 0 | 31 | 31 | 1 | 1 | 198.1 | 203 | 94 | 76 | 57 | 140 | 18 | 20 |
| Grant Dayton* | Atl | mr | 32 | 1.42 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 6.1 | 3 | 1 | 1 | 1 | 7 | 1 | 0 |
| Jacob deGrom | LAD | sp | 32 | 3.44 | 17 | 14 | 0 | 34 | 34 | 7 | 3 | 243.2 | 203 | 106 | 93 | 63 | 301 | 33 | 9 |
| Ross Detwiler* | NYM | sp | 34 | 6.11 | 7 | 15 | 0 | 29 | 29 | 0 | 0 | 148.2 | 178 | 108 | 101 | 50 | 103 | 40 | 17 |
| Jairo Diaz | LAD | mr | 29 | 1.97 | 7 | 1 | 2 | 31 | 0 | 0 | 0 | 50.1 | 29 | 11 | 11 | 14 | 51 | 3 | 8 |
| Seranthony Dominguez | Phi | mr | 25 | 6.68 | 0 | 2 | 11 | 31 | 0 | 0 | 0 | 31.0 | 34 | 28 | 23 | 14 | 35 | 1 | 1 |
| Zach Eflin | Mia | sp | 26 | 3.53 | 12 | 11 | 0 | 31 | 31 | 1 | 1 | 199.0 | 197 | 98 | 78 | 49 | 170 | 36 | 17 |
| Jerad Eickhoff | Phi | sp | 29 | 6.56 | 0 | 7 | 0 | 11 | 10 | 0 | 0 | 48.0 | 54 | 37 | 35 | 15 | 46 | 23 | 3 |
| Roenis Elias* | Mia | cl | 31 | 2.88 | 4 | 3 | 2 | 55 | 0 | 0 | 0 | 75.0 | 56 | 28 | 24 | 35 | 73 | 8 | 5 |
| Robbie Erlin* | SD | mr | 29 | 4.65 | 1 | 1 | 0 | 38 | 0 | 0 | 0 | 60.0 | 73 | 34 | 31 | 14 | 58 | 8 | 3 |
| Jeurys Familia | Was | mr | 30 | 3.28 | 1 | 1 | 1 | 43 | 0 | 0 | 0 | 57.2 | 52 | 23 | 21 | 43 | 63 | 3 | 11 |
| Jacob Faria | LAD | mr | 26 | 9.38 | 1 | 0 | 0 | 10 | 0 | 0 | 0 | 24.0 | 38 | 28 | 25 | 19 | 28 | 8 | 1 |
| Luke Farrell | Mil | mr | 29 | 5.40 | 0 | 1 | 2 | 10 | 0 | 0 | 0 | 15.0 | 13 | 9 | 9 | 5 | 10 | 5 | 0 |
| Caleb Ferguson* | Was | mr | 23 | 3.45 | 1 | 0 | 4 | 31 | 0 | 0 | 0 | 28.2 | 24 | 11 | 11 | 10 | 28 | 4 | 4 |
| Junior Fernandez | Atl | mr | 23 | 6.23 | 0 | 0 | 0 | 5 | 0 | 0 | 0 | 4.1 | 6 | 3 | 3 | 0 | 5 | 1 | 1 |
| Mike Fiers | SD | sp | 35 | 4.26 | 9 | 14 | 0 | 35 | 34 | 0 | 0 | 202.2 | 209 | 110 | 96 | 66 | 159 | 38 | 13 |
| Mike Foltynewicz | Ari | sp | 28 | 5.99 | 7 | 9 | 0 | 24 | 24 | 0 | 0 | 141.1 | 156 | 96 | 94 | 38 | 127 | 31 | 8 |
| Wilmer Font | Mil | mr | 30 | 3.68 | 5 | 0 | 3 | 28 | 7 | 0 | 0 | 63.2 | 47 | 26 | 26 | 20 | 68 | 14 | 6 |
| Carson Fulmer | SD | mr | 26 | 5.00 | 1 | 0 | 1 | 9 | 0 | 0 | 0 | 9.0 | 7 | 5 | 5 | 2 | 13 | 3 | 1 |
| Zac Gallen | Ari | sp | 24 | 5.36 | 5 | 9 | 0 | 18 | 18 | 0 | 0 | 97.1 | 103 | 60 | 58 | 54 | 143 | 15 | 2 |
| John Gant | ChC | mr | 27 | 6.26 | 4 | 4 | 0 | 46 | 0 | 0 | 0 | 54.2 | 62 | 40 | 38 | 43 | 44 | 8 | 18 |
| Edgar Garcia | Phi | mr | 23 | 3.27 | 1 | 2 | 1 | 47 | 0 | 0 | 0 | 55.0 | 45 | 29 | 20 | 28 | 60 | 7 | 9 |
| Amir Garrett* | Phi | mr | 28 | 6.43 | 1 | 11 | 12 | 50 | 0 | 0 | 0 | 63.0 | 68 | 53 | 45 | 51 | 81 | 14 | 4 |
| Kevin Gausman | SD | sp | 29 | 5.82 | 4 | 11 | 0 | 20 | 20 | 0 | 0 | 94.1 | 123 | 72 | 61 | 31 | 108 | 14 | 3 |
| Sam Gaviglio | Col | mr | 30 | 5.58 | 1 | 2 | 2 | 47 | 0 | 0 | 0 | 92.0 | 102 | 58 | 57 | 22 | 101 | 29 | 3 |
| Domingo German | Mil | sp | 27 | 3.68 | 11 | 4 | 1 | 29 | 26 | 0 | 0 | 163.2 | 143 | 68 | 67 | 39 | 161 | 29 | 3 |
| Kevin Ginkel | Mil | mr | 26 | 3.38 | 2 | 3 | 1 | 23 | 0 | 0 | 0 | 26.2 | 24 | 13 | 10 | 14 | 33 | 2 | 3 |
| Lucas Giolito | SD | sp | 25 | 3.21 | 8 | 10 | 0 | 31 | 31 | 0 | 0 | 193.2 | 168 | 77 | 69 | 63 | 249 | 23 | 18 |
| Mychal Givens | SD | mr | 30 | 6.75 | 3 | 8 | 4 | 58 | 0 | 0 | 0 | 69.1 | 81 | 56 | 52 | 25 | 90 | 20 | 2 |
| Tony Gonsolin | Mil | sp | 26 | 2.59 | 6 | 1 | 1 | 14 | 6 | 0 | 0 | 48.2 | 30 | 14 | 14 | 16 | 47 | 3 | 3 |
| Marco Gonzales* | Was | sp | 28 | 4.33 | 10 | 8 | 0 | 34 | 34 | 2 | 0 | 218.1 | 256 | 120 | 105 | 42 | 176 | 23 | 21 |
| Chi Chi Gonzalez | SF | sp | 28 | 5.51 | 3 | 8 | 0 | 15 | 15 | 0 | 0 | 85.0 | 79 | 56 | 52 | 45 | 66 | 17 | 10 |
| Trevor Gott | ChC | mr | 27 | 3.03 | 7 | 3 | 2 | 47 | 0 | 0 | 0 | 59.1 | 44 | 25 | 20 | 24 | 69 | 3 | 2 |
| Matt Grace* | Mia | mr | 31 | 4.32 | 2 | 0 | 0 | 12 | 0 | 0 | 0 | 16.2 | 18 | 9 | 8 | 5 | 14 | 2 | 4 |
| Sonny Gray | Ari | sp | 30 | 2.75 | 19 | 6 | 0 | 33 | 33 | 1 | 1 | 216.1 | 144 | 69 | 66 | 76 | 278 | 18 | 13 |
| Shane Greene | Was | cl | 31 | 3.58 | 6 | 10 | 35 | 68 | 0 | 0 | 0 | 73.0 | 71 | 32 | 29 | 18 | 85 | 16 | 4 |
| Zack Greinke | ChC | sp | 36 | 3.98 | 16 | 14 | 0 | 34 | 34 | 6 | 3 | 235.1 | 250 | 109 | 104 | 37 | 214 | 18 | 33 |
| Taylor Guilbeau* | Pit | mr | 27 | 2.05 | 3 | 1 | 2 | 21 | 0 | 0 | 0 | 30.2 | 25 | 7 | 7 | 8 | 18 | 3 | 2 |
| Jandel Gustave | StL | mr | 27 | 4.26 | 0 | 1 | 0 | 11 | 0 | 0 | 0 | 12.2 | 12 | 6 | 6 | 9 | 8 | 0 | 1 |
| Josh Hader* | SD | cl | 26 | 2.05 | 3 | 4 | 4 | 67 | 0 | 0 | 0 | 92.1 | 48 | 25 | 21 | 8 | 162 | 13 | 2 |
| JD Hammer | SF | mr | 25 | 4.05 | 0 | 0 | 0 | 11 | 0 | 0 | 0 | 13.1 | 8 | 6 | 6 | 16 | 9 | 2 | 1 |
| J.A. Happ* | ChC | sp | 37 | 5.28 | 13 | 10 | 0 | 33 | 33 | 1 | 1 | 172.0 | 193 | 110 | 101 | 68 | 156 | 40 | 26 |
| Blaine Hardy* | Ari | mr | 33 | 4.13 | 3 | 2 | 1 | 35 | 0 | 0 | 0 | 52.1 | 41 | 27 | 24 | 15 | 43 | 14 | 1 |
| Ryne Harper | Cin | mr | 31 | 3.73 | 7 | 3 | 6 | 45 | 0 | 0 | 0 | 70.0 | 69 | 32 | 29 | 13 | 65 | 6 | 7 |
| Hunter Harvey | NYM | mr | 25 | 6.00 | 0 | 0 | 0 | 6 | 0 | 0 | 0 | 9.0 | 5 | 6 | 6 | 6 | 13 | 3 | 1 |
| Andrew Heaney* | StL | sp | 29 | 5.73 | 2 | 12 | 0 | 21 | 21 | 0 | 0 | 110.0 | 120 | 76 | 70 | 34 | 140 | 19 | 7 |
| Ben Heller | LAD | mr | 28 | 8.10 | 0 | 3 | 0 | 5 | 0 | 0 | 0 | 10.0 | 14 | 11 | 9 | 4 | 11 | 4 | 1 |
| Ryan Helsley | Pit | mr | 25 | 6.18 | 1 | 4 | 0 | 27 | 0 | 0 | 0 | 51.0 | 59 | 36 | 35 | 13 | 49 | 6 | 0 |
| Kyle Hendricks | Was | sp | 30 | 4.94 | 14 | 13 | 0 | 34 | 34 | 2 | 1 | 209.2 | 234 | 124 | 115 | 52 | 195 | 33 | 12 |
| Darwinzon Hernandez* | Atl | mr | 23 | 9.58 | 1 | 1 | 0 | 5 | 2 | 0 | 0 | 10.1 | 15 | 11 | 11 | 10 | 19 | 2 | 0 |
| Elieser Hernandez | Phi | sp | 25 | 6.22 | 1 | 6 | 0 | 12 | 10 | 0 | 0 | 55.0 | 64 | 41 | 38 | 17 | 58 | 17 | 1 |
| Kelvin Herrera | Ari | mr | 30 | 6.91 | 6 | 4 | 1 | 54 | 0 | 0 | 0 | 82.0 | 108 | 66 | 63 | 41 | 83 | 7 | 4 |
| Trevor Hildenberger | NYM | mr | 29 | 7.66 | 0 | 0 | 0 | 17 | 0 | 0 | 0 | 24.2 | 39 | 23 | 21 | 9 | 21 | 3 | 2 |
| Trevor Hildenberger |   | mr | 29 | 7.66 | 0 | 0 | 0 | 17 | 0 | 0 | 0 | 24.2 | 39 | 23 | 21 | 9 | 21 | 3 | 2 |
| Tim Hill* | LAD | mr | 30 | 3.14 | 6 | 2 | 6 | 40 | 0 | 0 | 0 | 57.1 | 39 | 24 | 20 | 21 | 50 | 8 | 7 |
| Yoshihisa Hirano | ChC | mr | 36 | 4.97 | 0 | 2 | 0 | 47 | 0 | 0 | 0 | 63.1 | 72 | 37 | 35 | 29 | 81 | 10 | 5 |
| Derek Holland* | Phi | mr | 33 | 6.49 | 5 | 15 | 0 | 26 | 24 | 0 | 0 | 127.2 | 139 | 99 | 92 | 63 | 120 | 39 | 6 |
| Adrian Houser | LAD | sp | 27 | 4.17 | 5 | 6 | 0 | 20 | 16 | 0 | 0 | 105.2 | 106 | 55 | 49 | 39 | 122 | 12 | 9 |
| Daniel Hudson | SF | mr | 33 | 2.42 | 3 | 3 | 18 | 65 | 0 | 0 | 0 | 85.2 | 57 | 26 | 23 | 28 | 83 | 9 | 1 |
| Jared Hughes | Ari | mr | 34 | 4.25 | 4 | 5 | 4 | 49 | 0 | 0 | 0 | 78.1 | 72 | 39 | 37 | 40 | 39 | 10 | 18 |
| Raisel Iglesias | Was | cl | 30 | 4.34 | 4 | 3 | 2 | 57 | 0 | 0 | 0 | 58.0 | 59 | 28 | 28 | 12 | 78 | 10 | 1 |
| Edwin Jackson | Phi | sp | 36 | 12.21 | 0 | 12 | 0 | 15 | 15 | 0 | 0 | 66.1 | 121 | 98 | 90 | 27 | 58 | 36 | 8 |
| Jay Jackson | Pit | mr | 32 | 3.35 | 3 | 2 | 0 | 27 | 0 | 0 | 0 | 43.0 | 31 | 20 | 16 | 19 | 68 | 6 | 2 |
| Luke Jackson | Pit | cl | 28 | 3.11 | 1 | 2 | 10 | 39 | 0 | 0 | 0 | 55.0 | 56 | 22 | 19 | 14 | 87 | 3 | 4 |
| Josh James | SD | mr | 27 | 5.14 | 5 | 3 | 2 | 47 | 0 | 0 | 0 | 56.0 | 43 | 36 | 32 | 26 | 100 | 12 | 0 |
| Jeremy Jeffress | Mil | mr | 32 | 2.45 | 0 | 1 | 0 | 4 | 0 | 0 | 0 | 3.2 | 5 | 4 | 1 | 2 | 3 | 0 | 0 |
| Joe Jimenez | StL | mr | 25 | 5.33 | 2 | 3 | 0 | 55 | 0 | 0 | 0 | 76.0 | 75 | 50 | 45 | 32 | 113 | 20 | 2 |
| Brian Johnson* | Was | mr | 29 | 9.00 | 0 | 1 | 0 | 2 | 1 | 0 | 0 | 4.0 | 6 | 4 | 4 | 3 | 4 | 1 | 0 |
| James Karinchak | SD | mr | 24 | 11.25 | 0 | 1 | 0 | 3 | 0 | 0 | 0 | 4.0 | 6 | 5 | 5 | 4 | 4 | 0 | 1 |
| Joe Kelly | ChC | mr | 32 | 3.65 | 5 | 1 | 1 | 47 | 0 | 0 | 0 | 69.0 | 71 | 28 | 28 | 24 | 79 | 7 | 15 |
| Merrill Kelly | Was | sp | 31 | 4.53 | 8 | 6 | 0 | 24 | 24 | 1 | 1 | 141.0 | 156 | 77 | 71 | 34 | 115 | 23 | 15 |
| Ian Kennedy | Cin | cl | 35 | 0.71 | 3 | 0 | 4 | 17 | 0 | 0 | 0 | 25.1 | 15 | 2 | 2 | 4 | 25 | 1 | 4 |
| Clayton Kershaw* | Mil | sp | 32 | 2.50 | 18 | 4 | 0 | 31 | 31 | 3 | 2 | 212.1 | 186 | 65 | 59 | 36 | 238 | 21 | 24 |
| Dallas Keuchel* | ChC | sp | 32 | 4.07 | 7 | 9 | 0 | 22 | 22 | 3 | 1 | 139.1 | 151 | 69 | 63 | 45 | 109 | 21 | 20 |
| Yusei Kikuchi* | Cin | sp | 29 | 5.60 | 2 | 2 | 0 | 6 | 6 | 1 | 0 | 35.1 | 46 | 23 | 22 | 7 | 29 | 7 | 6 |
| Craig Kimbrel | NYM | cl | 32 | 4.94 | 0 | 3 | 2 | 23 | 0 | 0 | 0 | 31.0 | 27 | 20 | 17 | 16 | 36 | 9 | 1 |
| Michael King | ChC | mr | 25 | 7.36 | 1 | 2 | 0 | 6 | 0 | 0 | 0 | 11.0 | 18 | 10 | 9 | 6 | 11 | 3 | 1 |
| Nick Kingham | SD | mr | 28 | 6.84 | 1 | 3 | 0 | 16 | 0 | 0 | 0 | 25.0 | 30 | 19 | 19 | 9 | 20 | 7 | 1 |
| Andrew Kittredge | Cin | mr | 30 | 3.41 | 7 | 2 | 4 | 30 | 0 | 0 | 0 | 37.0 | 36 | 14 | 14 | 10 | 44 | 4 | 1 |
| Branden Kline | Cin | mr | 28 | 4.98 | 0 | 0 | 1 | 14 | 0 | 0 | 0 | 21.2 | 22 | 15 | 12 | 14 | 17 | 4 | 2 |
| Corey Kluber | Mia | sp | 34 | 4.28 | 3 | 3 | 0 | 8 | 8 | 0 | 0 | 48.1 | 49 | 25 | 23 | 18 | 47 | 2 | 3 |
| Eric Lauer* | Pit | sp | 25 | 3.87 | 10 | 9 | 0 | 25 | 25 | 0 | 0 | 158.0 | 154 | 83 | 68 | 35 | 125 | 16 | 8 |
| Derek Law | Cin | mr | 29 | 4.66 | 2 | 0 | 0 | 30 | 0 | 0 | 0 | 38.2 | 38 | 21 | 20 | 20 | 40 | 6 | 2 |
| Jose Leclerc | Pit | mr | 26 | 5.10 | 5 | 10 | 10 | 57 | 0 | 0 | 0 | 77.2 | 64 | 47 | 44 | 58 | 113 | 10 | 5 |
| Dominic Leone | Cin | mr | 28 | 5.70 | 0 | 0 | 0 | 14 | 0 | 0 | 0 | 23.2 | 25 | 15 | 15 | 12 | 31 | 6 | 1 |
| Jon Lester* | Mia | sp | 36 | 3.94 | 9 | 12 | 0 | 33 | 33 | 1 | 1 | 196.2 | 225 | 96 | 86 | 48 | 185 | 26 | 21 |
| Francisco Liriano* | Col | mr | 36 | 3.94 | 5 | 2 | 2 | 49 | 0 | 0 | 0 | 64.0 | 52 | 32 | 28 | 33 | 68 | 8 | 8 |
| Pablo Lopez | LAD | sp | 24 | 4.46 | 7 | 8 | 0 | 24 | 24 | 1 | 0 | 159.1 | 166 | 82 | 79 | 42 | 138 | 26 | 18 |
| Joey Lucchesi* | Col | sp | 27 | 4.48 | 13 | 7 | 0 | 32 | 32 | 0 | 0 | 184.2 | 194 | 101 | 92 | 54 | 183 | 24 | 12 |
| Seth Lugo | Cin | mr | 30 | 0.77 | 1 | 0 | 17 | 19 | 0 | 0 | 0 | 23.1 | 13 | 2 | 2 | 3 | 28 | 1 | 3 |
| Seth Lugo | NYM | mr | 30 | 2.59 | 6 | 2 | 2 | 37 | 0 | 0 | 0 | 59.0 | 38 | 19 | 17 | 13 | 92 | 10 | 1 |
| Seth Lugo |   | mr | 30 | 2.08 | 7 | 2 | 19 | 56 | 0 | 0 | 0 | 82.1 | 51 | 21 | 19 | 16 | 120 | 11 | 4 |
| Jesus Luzardo* | NYM | cl | 22 | 3.18 | 2 | 0 | 5 | 10 | 0 | 0 | 0 | 17.0 | 10 | 6 | 6 | 2 | 15 | 2 | 0 |
| Jordan Lyles | Cin | sp | 29 | 6.11 | 8 | 10 | 0 | 26 | 26 | 1 | 1 | 137.0 | 146 | 100 | 93 | 59 | 145 | 30 | 17 |
| Kenta Maeda | Ari | sp | 32 | 4.81 | 10 | 10 | 0 | 29 | 29 | 0 | 0 | 172.0 | 132 | 103 | 92 | 63 | 191 | 26 | 6 |
| Sean Manaea* | Phi | sp | 28 | 2.20 | 3 | 2 | 0 | 6 | 6 | 1 | 1 | 41.0 | 23 | 10 | 10 | 9 | 39 | 4 | 5 |
| Evan Marshall | LAD | mr | 30 | 4.94 | 1 | 0 | 3 | 21 | 0 | 0 | 0 | 23.2 | 25 | 14 | 13 | 13 | 18 | 4 | 1 |
| Brett Martin* | Atl | mr | 25 | 3.57 | 3 | 4 | 6 | 68 | 0 | 0 | 0 | 93.1 | 98 | 40 | 37 | 32 | 84 | 11 | 10 |
| Corbin Martin | LAD | sp | 24 | 7.99 | 0 | 2 | 0 | 5 | 5 | 0 | 0 | 23.2 | 32 | 21 | 21 | 22 | 22 | 9 | 0 |
| Trevor May | ChC | mr | 30 | 4.88 | 6 | 1 | 3 | 40 | 0 | 0 | 0 | 51.2 | 43 | 29 | 28 | 18 | 62 | 13 | 1 |
| Mike Mayers | Atl | mr | 28 | 7.36 | 0 | 1 | 0 | 5 | 0 | 0 | 0 | 3.2 | 7 | 3 | 3 | 0 | 3 | 1 | 0 |
| Kevin McCarthy | Mia | mr | 28 | 1.84 | 4 | 1 | 1 | 50 | 0 | 0 | 0 | 68.1 | 60 | 16 | 14 | 16 | 41 | 2 | 9 |
| Collin McHugh | ChC | mr | 33 | 4.73 | 4 | 6 | 0 | 18 | 18 | 0 | 0 | 104.2 | 109 | 59 | 55 | 47 | 119 | 20 | 3 |
| John Means* | Phi | sp | 27 | 3.30 | 10 | 10 | 0 | 28 | 28 | 0 | 0 | 185.1 | 164 | 78 | 68 | 49 | 156 | 29 | 12 |
| Keynan Middleton | Atl | mr | 26 | 7.82 | 0 | 2 | 3 | 15 | 0 | 0 | 0 | 12.2 | 13 | 14 | 11 | 15 | 14 | 0 | 1 |
| Miles Mikolas | Atl | sp | 31 | 3.63 | 17 | 7 | 0 | 32 | 32 | 3 | 1 | 205.2 | 196 | 89 | 83 | 49 | 154 | 25 | 27 |
| Andrew Miller* | Mil | mr | 35 | 4.91 | 1 | 4 | 0 | 34 | 0 | 0 | 0 | 36.2 | 38 | 20 | 20 | 18 | 39 | 11 | 5 |
| Shelby Miller | NYM | mr | 29 | 3.59 | 4 | 2 | 0 | 8 | 8 | 0 | 0 | 42.2 | 44 | 18 | 17 | 16 | 23 | 4 | 4 |
| Tom Milone* | Atl | mr | 33 | 4.31 | 4 | 2 | 0 | 10 | 10 | 0 | 0 | 56.1 | 52 | 28 | 27 | 10 | 58 | 16 | 1 |
| Juan Minaya | NYM | mr | 29 | 7.76 | 0 | 0 | 0 | 20 | 0 | 0 | 0 | 29.0 | 27 | 25 | 25 | 13 | 32 | 5 | 2 |
| Frankie Montas | ChC | sp | 27 | 2.17 | 10 | 3 | 0 | 19 | 19 | 0 | 0 | 133.0 | 106 | 34 | 32 | 38 | 152 | 10 | 17 |
| Rafael Montero | Mia | mr | 29 | 4.13 | 3 | 4 | 1 | 24 | 0 | 0 | 0 | 32.2 | 28 | 17 | 15 | 7 | 34 | 6 | 2 |
| Charlie Morton | Mil | sp | 36 | 3.49 | 17 | 6 | 0 | 34 | 34 | 2 | 2 | 224.1 | 203 | 88 | 87 | 65 | 285 | 26 | 20 |
| Jake Newberry | Mia | mr | 25 | 2.81 | 0 | 4 | 2 | 25 | 0 | 0 | 0 | 25.2 | 15 | 9 | 8 | 10 | 22 | 7 | 2 |
| Juan Nicasio | Phi | mr | 33 | 3.61 | 3 | 5 | 1 | 55 | 0 | 0 | 0 | 77.1 | 70 | 36 | 31 | 29 | 86 | 7 | 7 |
| Scott Oberg | Col | mr | 30 | 1.30 | 5 | 1 | 6 | 31 | 0 | 0 | 0 | 34.2 | 23 | 7 | 5 | 12 | 44 | 3 | 3 |
| Tyler Olson* | StL | mr | 30 | 3.77 | 3 | 1 | 0 | 30 | 0 | 0 | 0 | 28.2 | 41 | 14 | 12 | 11 | 26 | 1 | 1 |
| Josh Osich* | StL | mr | 31 | 2.87 | 3 | 3 | 2 | 50 | 0 | 0 | 0 | 53.1 | 39 | 19 | 17 | 11 | 46 | 9 | 4 |
| Adam Ottavino | Ari | mr | 34 | 4.25 | 6 | 5 | 12 | 66 | 0 | 0 | 0 | 89.0 | 69 | 45 | 42 | 83 | 113 | 7 | 10 |
| Emilio Pagan | StL | cl | 29 | 2.10 | 3 | 5 | 33 | 65 | 0 | 0 | 0 | 68.2 | 43 | 16 | 16 | 13 | 87 | 6 | 3 |
| James Paxton* | StL | sp | 31 | 4.32 | 11 | 12 | 0 | 33 | 32 | 0 | 0 | 171.0 | 179 | 88 | 82 | 60 | 223 | 22 | 10 |
| James Pazos* | Cin | mr | 29 | 0.50 | 2 | 0 | 1 | 13 | 0 | 0 | 0 | 18.0 | 11 | 1 | 1 | 9 | 6 | 0 | 4 |
| Felix Pena | SF | mr | 30 | 5.85 | 0 | 4 | 0 | 17 | 5 | 0 | 0 | 47.2 | 47 | 35 | 31 | 12 | 65 | 13 | 1 |
| Martin Perez* | SD | sp | 29 | 4.88 | 9 | 14 | 0 | 32 | 32 | 0 | 0 | 177.0 | 197 | 104 | 96 | 67 | 141 | 26 | 9 |
| Evan Phillips | Ari | mr | 25 | 14.04 | 0 | 1 | 0 | 5 | 0 | 0 | 0 | 8.1 | 14 | 13 | 13 | 10 | 12 | 1 | 0 |
| Nick Pivetta | Atl | mr | 27 | 5.95 | 6 | 5 | 1 | 21 | 15 | 0 | 0 | 81.2 | 104 | 57 | 54 | 31 | 75 | 22 | 8 |
| Zach Plesac | Cin | sp | 25 | 5.11 | 11 | 8 | 0 | 24 | 24 | 1 | 0 | 141.0 | 145 | 88 | 80 | 53 | 91 | 23 | 11 |
| Colin Poche* | Col | mr | 26 | 4.58 | 0 | 1 | 3 | 24 | 0 | 0 | 0 | 19.2 | 19 | 11 | 10 | 8 | 31 | 6 | 2 |
| Rick Porcello | LAD | sp | 31 | 5.98 | 5 | 16 | 0 | 31 | 31 | 3 | 0 | 200.1 | 233 | 151 | 133 | 58 | 170 | 46 | 10 |
| Ryan Pressly | Mil | mr | 31 | 3.08 | 8 | 2 | 2 | 52 | 0 | 0 | 0 | 79.0 | 69 | 30 | 27 | 18 | 106 | 10 | 2 |
| Jose Quintana* | Mia | sp | 31 | 4.05 | 10 | 14 | 0 | 33 | 33 | 1 | 1 | 175.2 | 183 | 95 | 79 | 47 | 158 | 21 | 15 |
| Tanner Rainey | StL | mr | 27 | 3.19 | 5 | 3 | 2 | 48 | 0 | 0 | 0 | 59.1 | 31 | 22 | 21 | 35 | 84 | 2 | 7 |
| Nick Ramirez* | Cin | mr | 30 | 4.33 | 1 | 2 | 3 | 41 | 0 | 0 | 0 | 68.2 | 57 | 39 | 33 | 36 | 73 | 10 | 4 |
| Noe Ramirez | Mia | mr | 30 | 3.04 | 3 | 0 | 3 | 55 | 0 | 0 | 0 | 91.2 | 70 | 33 | 31 | 36 | 108 | 13 | 7 |
| Edubray Ramos | LAD | mr | 27 | 19.06 | 0 | 1 | 0 | 4 | 0 | 0 | 0 | 5.2 | 16 | 12 | 12 | 7 | 2 | 4 | 0 |
| Robbie Ray* | StL | sp | 28 | 4.60 | 6 | 14 | 0 | 33 | 33 | 0 | 0 | 176.0 | 170 | 105 | 90 | 75 | 259 | 30 | 14 |
| Cody Reed* | Pit | mr | 27 | 4.00 | 0 | 1 | 0 | 2 | 0 | 0 | 0 | 9.0 | 8 | 4 | 4 | 2 | 12 | 0 | 0 |
| Gerardo Reyes | LAD | mr | 27 | 6.35 | 0 | 0 | 0 | 10 | 0 | 0 | 0 | 11.1 | 12 | 9 | 8 | 4 | 16 | 0 | 1 |
| Clayton Richard* | Ari | sp | 36 | 6.58 | 2 | 1 | 0 | 7 | 7 | 0 | 0 | 39.2 | 59 | 36 | 29 | 10 | 23 | 5 | 5 |
| Garrett Richards | Phi | sp | 32 | 7.58 | 0 | 3 | 0 | 4 | 4 | 0 | 0 | 19.0 | 24 | 22 | 16 | 11 | 19 | 5 | 2 |
| Fernando Rodney | Mia | mr | 43 | 6.55 | 0 | 1 | 1 | 10 | 0 | 0 | 0 | 11.0 | 13 | 8 | 8 | 12 | 16 | 0 | 1 |
| Carlos Rodon* | SF | sp | 27 | 4.50 | 0 | 4 | 0 | 7 | 7 | 0 | 0 | 34.0 | 37 | 21 | 17 | 16 | 46 | 6 | 0 |
| Dereck Rodriguez | StL | sp | 28 | 4.88 | 4 | 12 | 0 | 23 | 23 | 0 | 0 | 123.2 | 113 | 72 | 67 | 41 | 102 | 32 | 7 |
| Eduardo Rodriguez* | Col | sp | 27 | 3.11 | 18 | 7 | 0 | 31 | 31 | 0 | 0 | 188.0 | 175 | 66 | 65 | 59 | 201 | 24 | 16 |
| Jefry Rodriguez | Mil | sp | 26 | 4.50 | 4 | 0 | 1 | 8 | 5 | 0 | 0 | 32.0 | 42 | 18 | 16 | 7 | 26 | 2 | 5 |
| Jose Rodriguez | Was | mr | 24 | 1.80 | 1 | 0 | 0 | 5 | 0 | 0 | 0 | 5.0 | 4 | 1 | 1 | 2 | 3 | 0 | 2 |
| Taylor Rogers* | Mia | cl | 29 | 0.59 | 5 | 3 | 35 | 63 | 0 | 0 | 0 | 76.1 | 44 | 6 | 5 | 14 | 94 | 2 | 7 |
| Tyler Rogers | Cin | mr | 29 | 2.70 | 0 | 1 | 13 | 19 | 0 | 0 | 0 | 20.0 | 19 | 6 | 6 | 3 | 20 | 1 | 3 |
| Sergio Romo | Col | cl | 37 | 3.15 | 4 | 7 | 24 | 61 | 0 | 0 | 0 | 68.2 | 59 | 27 | 24 | 15 | 59 | 13 | 5 |
| Hector Rondon | Atl | mr | 32 | 3.19 | 4 | 4 | 3 | 66 | 0 | 0 | 0 | 87.1 | 76 | 33 | 31 | 30 | 65 | 12 | 10 |
| Jose Ruiz | Was | mr | 25 | 7.63 | 1 | 0 | 0 | 13 | 0 | 0 | 0 | 15.1 | 19 | 13 | 13 | 14 | 12 | 0 | 1 |
| Hyun-Jin Ryu* | Ari | sp | 33 | 2.51 | 13 | 10 | 0 | 32 | 32 | 6 | 3 | 233.0 | 203 | 73 | 65 | 24 | 207 | 19 | 21 |
| CC Sabathia* | SF | sp | 39 | 5.56 | 6 | 11 | 0 | 24 | 24 | 0 | 0 | 139.1 | 153 | 97 | 86 | 38 | 141 | 36 | 10 |
| Casey Sadler | SF | mr | 29 | 4.79 | 5 | 6 | 8 | 37 | 0 | 0 | 0 | 47.0 | 55 | 27 | 25 | 8 | 29 | 9 | 9 |
| Connor Sadzeck | SF | mr | 28 | 3.96 | 3 | 2 | 0 | 21 | 0 | 0 | 0 | 25.0 | 18 | 12 | 11 | 12 | 29 | 3 | 2 |
| Chris Sale* | Atl | sp | 31 | 2.41 | 14 | 9 | 0 | 28 | 27 | 1 | 1 | 183.0 | 132 | 53 | 49 | 34 | 276 | 24 | 7 |
| Jeff Samardzija | Pit | sp | 35 | 3.92 | 14 | 10 | 0 | 33 | 33 | 5 | 4 | 220.2 | 189 | 107 | 96 | 52 | 164 | 36 | 14 |
| Adrian Sampson | Mia | mr | 28 | 4.89 | 8 | 4 | 0 | 18 | 18 | 0 | 0 | 105.0 | 108 | 59 | 57 | 28 | 97 | 14 | 7 |
| Aaron Sanchez | NYM | sp | 27 | 6.60 | 9 | 17 | 0 | 30 | 29 | 0 | 0 | 151.1 | 172 | 117 | 111 | 73 | 138 | 24 | 19 |
| Anibal Sanchez | ChC | sp | 36 | 3.78 | 13 | 15 | 0 | 33 | 33 | 5 | 1 | 224.0 | 199 | 103 | 94 | 62 | 175 | 24 | 8 |
| Patrick Sandoval* | Pit | sp | 23 | 3.69 | 1 | 3 | 0 | 6 | 6 | 0 | 0 | 31.2 | 27 | 13 | 13 | 15 | 38 | 6 | 3 |
| Tanner Scott* | ChC | mr | 25 | 6.75 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 1.1 | 1 | 1 | 1 | 1 | 3 | 1 | 0 |
| Antonio Senzatela | Pit | sp | 25 | 6.19 | 4 | 11 | 0 | 18 | 18 | 1 | 0 | 107.2 | 139 | 85 | 74 | 33 | 62 | 17 | 8 |
| Luis Severino | NYM | sp | 26 | 3.45 | 0 | 1 | 0 | 3 | 3 | 0 | 0 | 15.2 | 12 | 7 | 6 | 6 | 16 | 0 | 0 |
| Paul Sewald | Pit | mr | 30 | 4.00 | 0 | 2 | 0 | 11 | 0 | 0 | 0 | 18.0 | 21 | 12 | 8 | 7 | 15 | 2 | 0 |
| Justus Sheffield* | Phi | sp | 24 | 4.89 | 2 | 4 | 0 | 7 | 7 | 0 | 0 | 38.2 | 45 | 23 | 21 | 14 | 40 | 6 | 6 |
| Tyler Skaggs* | Cin | sp | 28 | 3.62 | 6 | 2 | 0 | 14 | 14 | 0 | 0 | 87.0 | 88 | 36 | 35 | 27 | 91 | 7 | 5 |
| Eric Skoglund* | Phi | sp | 27 | 8.44 | 0 | 3 | 0 | 7 | 0 | 0 | 0 | 5.1 | 7 | 5 | 5 | 4 | 2 | 2 | 0 |
| Devin Smeltzer* | Pit | sp | 24 | 6.35 | 0 | 0 | 0 | 6 | 0 | 0 | 0 | 11.1 | 14 | 8 | 8 | 1 | 7 | 3 | 1 |
| Caleb Smith* | Mil | sp | 28 | 5.25 | 11 | 6 | 0 | 31 | 31 | 0 | 0 | 161.0 | 154 | 96 | 94 | 64 | 189 | 38 | 6 |
| Joe Smith | LAD | mr | 36 | 1.63 | 3 | 2 | 16 | 31 | 0 | 0 | 0 | 38.2 | 28 | 8 | 7 | 17 | 31 | 1 | 7 |
| Blake Snell* | LAD | sp | 27 | 5.67 | 9 | 13 | 0 | 26 | 26 | 1 | 0 | 141.1 | 166 | 98 | 89 | 60 | 207 | 25 | 7 |
| Chad Sobotka | NYM | mr | 26 | 5.54 | 2 | 2 | 0 | 30 | 0 | 0 | 0 | 39.0 | 33 | 30 | 24 | 32 | 49 | 8 | 8 |
| Joakim Soria | StL | mr | 36 | 3.63 | 8 | 5 | 1 | 69 | 0 | 0 | 0 | 89.1 | 82 | 39 | 36 | 40 | 112 | 8 | 4 |
| Gregory Soto* | StL | mr | 25 | 12.71 | 0 | 0 | 0 | 7 | 0 | 0 | 0 | 5.2 | 11 | 8 | 8 | 5 | 4 | 1 | 0 |
| Glenn Sparkman | NYM | sp | 28 | 5.79 | 5 | 15 | 0 | 27 | 26 | 2 | 0 | 147.2 | 174 | 100 | 95 | 38 | 75 | 38 | 10 |
| Ryne Stanek | Pit | mr | 28 | 4.50 | 1 | 1 | 2 | 31 | 0 | 0 | 0 | 46.0 | 50 | 29 | 23 | 31 | 52 | 6 | 5 |
| Drew Steckenrider | NYM | mr | 29 | 7.12 | 1 | 1 | 0 | 23 | 0 | 0 | 0 | 30.1 | 28 | 25 | 24 | 12 | 29 | 15 | 1 |
| Matt Strahm* | StL | mr | 28 | 4.94 | 10 | 14 | 0 | 29 | 29 | 2 | 0 | 171.1 | 196 | 103 | 94 | 24 | 176 | 33 | 11 |
| Dan Straily | NYM | sp | 31 | 10.52 | 0 | 3 | 0 | 14 | 3 | 0 | 0 | 25.2 | 42 | 34 | 30 | 14 | 22 | 17 | 1 |
| Stephen Strasburg | Cin | sp | 31 | 2.00 | 22 | 4 | 0 | 33 | 33 | 5 | 0 | 238.2 | 154 | 56 | 53 | 60 | 287 | 12 | 18 |
| Chris Stratton | StL | mr | 29 | 6.52 | 1 | 3 | 0 | 6 | 6 | 0 | 0 | 29.0 | 33 | 24 | 21 | 19 | 23 | 7 | 3 |
| Pedro Strop | Col | mr | 35 | 5.27 | 1 | 3 | 2 | 25 | 0 | 0 | 0 | 27.1 | 24 | 17 | 16 | 15 | 25 | 3 | 2 |
| Andrew Suarez* | SF | mr | 27 | 5.59 | 1 | 4 | 0 | 20 | 2 | 0 | 0 | 29.0 | 28 | 18 | 18 | 14 | 24 | 4 | 5 |
| Brent Suter* | LAD | mr | 30 | 4.21 | 1 | 2 | 4 | 14 | 0 | 0 | 0 | 25.2 | 26 | 13 | 12 | 3 | 21 | 3 | 2 |
| Anthony Swarzak | SD | mr | 34 | 4.37 | 0 | 1 | 1 | 62 | 0 | 0 | 0 | 90.2 | 99 | 46 | 44 | 41 | 94 | 17 | 18 |
| Jameson Taillon | Was | sp | 28 | 4.66 | 2 | 4 | 0 | 8 | 8 | 1 | 0 | 46.1 | 42 | 31 | 24 | 11 | 35 | 8 | 1 |
| Dillon Tate | Pit | mr | 26 | 4.63 | 2 | 0 | 0 | 18 | 0 | 0 | 0 | 35.0 | 32 | 18 | 18 | 14 | 27 | 5 | 4 |
| Josh Taylor* | Atl | mr | 27 | 3.80 | 4 | 6 | 21 | 59 | 0 | 0 | 0 | 66.1 | 57 | 28 | 28 | 24 | 90 | 8 | 5 |
| Trent Thornton | SF | sp | 26 | 3.53 | 5 | 14 | 0 | 31 | 31 | 0 | 0 | 183.1 | 155 | 84 | 72 | 75 | 190 | 19 | 11 |
| Jesus Tinoco | SF | mr | 25 | 4.37 | 0 | 2 | 0 | 16 | 0 | 0 | 0 | 22.2 | 17 | 12 | 11 | 8 | 22 | 7 | 1 |
| Blake Treinen | ChC | cl | 32 | 6.39 | 1 | 0 | 0 | 28 | 0 | 0 | 0 | 38.0 | 41 | 29 | 27 | 22 | 38 | 5 | 3 |
| Lou Trivino | Atl | mr | 28 | 4.06 | 5 | 2 | 5 | 52 | 0 | 0 | 0 | 68.2 | 63 | 31 | 31 | 33 | 77 | 6 | 5 |
| Framber Valdez* | Mia | mr | 26 | 4.17 | 2 | 2 | 0 | 11 | 11 | 0 | 0 | 49.2 | 49 | 28 | 23 | 27 | 60 | 5 | 5 |
| Jason Vargas* | Pit | sp | 37 | 4.14 | 11 | 10 | 0 | 31 | 31 | 1 | 1 | 180.1 | 158 | 97 | 83 | 76 | 141 | 20 | 11 |
| Felipe Vazquez* | Mil | cl | 28 | 2.54 | 5 | 2 | 24 | 57 | 0 | 0 | 0 | 60.1 | 46 | 17 | 17 | 14 | 82 | 7 | 7 |
| Drew VerHagen | Phi | mr | 29 | 5.43 | 0 | 2 | 0 | 28 | 2 | 0 | 0 | 58.0 | 71 | 35 | 35 | 17 | 50 | 9 | 9 |
| Adam Wainwright | Col | sp | 38 | 5.23 | 13 | 5 | 0 | 30 | 30 | 0 | 0 | 179.0 | 221 | 111 | 104 | 55 | 159 | 30 | 19 |
| Marcus Walden | Mia | mr | 31 | 2.99 | 8 | 5 | 4 | 67 | 0 | 0 | 0 | 99.1 | 61 | 33 | 33 | 38 | 100 | 5 | 7 |
| Jeremy Walker | LAD | mr | 25 | 6.48 | 1 | 3 | 4 | 10 | 0 | 0 | 0 | 8.1 | 13 | 7 | 6 | 4 | 9 | 0 | 0 |
| Adam Warren | NYM | mr | 32 | 5.05 | 1 | 2 | 0 | 21 | 0 | 0 | 0 | 35.2 | 28 | 22 | 20 | 13 | 34 | 11 | 1 |
| Jacob Webb | Was | mr | 26 | 5.44 | 10 | 3 | 1 | 45 | 0 | 0 | 0 | 49.2 | 44 | 32 | 30 | 23 | 48 | 11 | 5 |
| J.B. Wendelken | Was | mr | 27 | 3.65 | 1 | 0 | 0 | 10 | 0 | 0 | 0 | 12.1 | 10 | 5 | 5 | 6 | 14 | 0 | 0 |
| Zack Wheeler | SF | sp | 30 | 4.31 | 13 | 13 | 0 | 33 | 33 | 1 | 1 | 202.1 | 208 | 108 | 97 | 82 | 215 | 17 | 10 |
| Rowan Wick | NYM | mr | 27 | 2.32 | 2 | 1 | 4 | 32 | 0 | 0 | 0 | 50.1 | 37 | 16 | 13 | 26 | 42 | 3 | 1 |
| Brad Wieck* | SF | mr | 28 | 5.37 | 0 | 4 | 0 | 47 | 0 | 0 | 0 | 57.0 | 57 | 35 | 34 | 20 | 61 | 16 | 3 |
| Trevor Williams | LAD | sp | 28 | 6.54 | 7 | 15 | 0 | 26 | 26 | 1 | 0 | 159.2 | 215 | 123 | 116 | 44 | 124 | 41 | 7 |
| Justin Wilson* | Mil | mr | 32 | 3.24 | 0 | 1 | 2 | 42 | 0 | 0 | 0 | 50.0 | 42 | 21 | 18 | 14 | 57 | 3 | 6 |
| Asher Wojciechowski | Ari | sp | 31 | 5.86 | 5 | 10 | 0 | 19 | 19 | 1 | 0 | 118.1 | 110 | 81 | 77 | 37 | 123 | 26 | 1 |
| Hunter Wood | NYM | mr | 26 | 3.46 | 3 | 0 | 3 | 26 | 0 | 0 | 0 | 39.0 | 34 | 16 | 15 | 8 | 28 | 5 | 4 |
| Brandon Woodruff | Cin | sp | 27 | 3.16 | 14 | 5 | 0 | 26 | 26 | 2 | 1 | 168.0 | 162 | 63 | 59 | 45 | 194 | 19 | 17 |
| Brandon Workman | Col | mr | 31 | 0.74 | 3 | 3 | 19 | 63 | 0 | 0 | 0 | 85.0 | 33 | 10 | 7 | 38 | 132 | 3 | 3 |
| Jordan Yamamoto | Pit | sp | 24 | 4.47 | 5 | 7 | 0 | 18 | 18 | 0 | 0 | 102.2 | 82 | 55 | 51 | 54 | 105 | 16 | 9 |
| Gabriel Ynoa | NYM | mr | 27 | 4.56 | 5 | 6 | 0 | 16 | 16 | 0 | 0 | 94.2 | 104 | 51 | 48 | 22 | 57 | 20 | 10 |
| Alex Young* | Atl | sp | 26 | 3.94 | 7 | 5 | 0 | 18 | 18 | 0 | 0 | 105.0 | 84 | 47 | 46 | 32 | 95 | 25 | 9 |
| 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 |
| Fernando Abad* | Pit | mr | 34 | 3 | 0 | 1 | 0 | 3 | 0 | 1 | 1 | 7.4 | 3.7 | 11.0 | 7.0 | 0.8 | 1.9 | 1.23 |
| Jason Adam | NYM | mr | 28 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.5 | 13.5 | 18.0 | 4.5 | 0.0 | 0.3 | 2.00 |
| Chance Adams | Mia | mr | 25 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.00 |
| Sandy Alcantara | SD | sp | 24 | 8 | 3 | 8 | 3 | 4 | 1 | 3 | 4 | 9.1 | 2.9 | 12.1 | 6.9 | 1.3 | 2.4 | 1.33 |
| Victor Alcantara | LAD | mr | 27 | 0 | 0 | 3 | 2 | 0 | 0 | 1 | 1 | 8.8 | 3.6 | 12.8 | 5.4 | 2.0 | 1.5 | 1.38 |
| Scott Alexander* | LAD | mr | 30 | 0 | 0 | 0 | 1 | 2 | 0 | 1 | 2 | 13.9 | 4.9 | 19.1 | 4.5 | 0.4 | 0.9 | 2.08 |
| Tyler Alexander* | LAD | sp | 25 | 2 | 0 | 1 | 4 | 1 | 0 | 0 | 1 | 9.2 | 1.1 | 10.8 | 7.8 | 1.5 | 7.0 | 1.15 |
| Cody Allen | Phi | mr | 31 | 1 | 0 | 0 | 0 | 2 | 0 | 0 | 1 | 14.0 | 6.0 | 20.0 | 13.0 | 5.3 | 2.2 | 2.22 |
| Logan Allen* | SD | mr | 23 | 0 | 0 | 0 | 2 | 1 | 0 | 0 | 2 | 21.8 | 6.1 | 29.6 | 5.2 | 4.4 | 0.9 | 3.10 |
| Yency Almonte | Mia | mr | 26 | 1 | 0 | 0 | 2 | 2 | 0 | 0 | 2 | 9.1 | 1.3 | 10.8 | 9.1 | 1.5 | 6.8 | 1.16 |
| Jose Alvarado* | Pit | mr | 25 | 2 | 0 | 0 | 3 | 9 | 0 | 1 | 2 | 8.5 | 8.3 | 17.3 | 10.8 | 1.4 | 1.3 | 1.86 |
| Jose Alvarez* | Mil | mr | 31 | 0 | 1 | 2 | 0 | 2 | 0 | 0 | 1 | 12.5 | 1.5 | 14.1 | 8.4 | 1.9 | 5.5 | 1.56 |
| Adbert Alzolay | ChC | sp | 25 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 6.8 | 6.8 | 13.5 | 16.9 | 0.0 | 2.5 | 1.50 |
| Nick Anderson | SD | mr | 29 | 1 | 0 | 7 | 1 | 2 | 0 | 3 | 0 | 7.7 | 2.8 | 10.5 | 16.3 | 1.3 | 5.9 | 1.16 |
| Shaun Anderson | SF | sp | 25 | 1 | 0 | 0 | 5 | 7 | 0 | 4 | 1 | 10.6 | 2.9 | 14.1 | 6.3 | 1.6 | 2.2 | 1.50 |
| Matt Andriese | SF | mr | 30 | 3 | 1 | 1 | 2 | 10 | 1 | 0 | 4 | 9.8 | 1.5 | 11.5 | 9.5 | 1.0 | 6.3 | 1.25 |
| Victor Arano | Pit | mr | 25 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.1 | 1.3 | 9.4 | 6.8 | 0.0 | 5.0 | 1.05 |
| Chris Archer | Mia | sp | 31 | 2 | 3 | 1 | 1 | 10 | 0 | 2 | 3 | 5.8 | 4.4 | 10.3 | 11.4 | 1.2 | 2.6 | 1.13 |
| Pedro Avila | Mia | sp | 23 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 7.1 | 2.4 | 10.3 | 3.2 | 0.8 | 1.3 | 1.06 |
| Michel Baez | Mil | mr | 24 | 0 | 0 | 2 | 3 | 0 | 0 | 0 | 0 | 5.5 | 2.7 | 9.0 | 8.5 | 0.3 | 3.1 | 0.91 |
| Pedro Baez | Col | mr | 32 | 3 | 1 | 0 | 7 | 0 | 0 | 2 | 1 | 7.2 | 3.3 | 11.5 | 9.2 | 1.0 | 2.8 | 1.17 |
| Homer Bailey | SF | sp | 34 | 5 | 2 | 2 | 3 | 3 | 2 | 3 | 4 | 8.6 | 3.0 | 11.7 | 8.0 | 1.7 | 2.7 | 1.29 |
| Kyle Barraclough | Atl | mr | 30 | 0 | 1 | 1 | 0 | 2 | 0 | 0 | 0 | 9.6 | 2.6 | 12.2 | 8.1 | 3.3 | 3.1 | 1.36 |
| Jaime Barria | Atl | sp | 23 | 3 | 0 | 0 | 2 | 0 | 0 | 1 | 1 | 8.8 | 3.6 | 12.5 | 9.2 | 1.5 | 2.6 | 1.37 |
| Tyler Bashlor | Phi | mr | 27 | 3 | 0 | 0 | 0 | 2 | 0 | 0 | 3 | 7.5 | 5.6 | 13.1 | 7.8 | 1.9 | 1.4 | 1.46 |
| Anthony Bass | Mil | mr | 32 | 0 | 0 | 0 | 1 | 7 | 0 | 2 | 2 | 5.9 | 3.0 | 9.1 | 7.3 | 0.5 | 2.4 | 0.99 |
| Chris Bassitt | Was | sp | 31 | 1 | 1 | 2 | 13 | 3 | 0 | 3 | 3 | 9.7 | 3.0 | 13.5 | 8.9 | 1.7 | 2.9 | 1.42 |
| Cam Bedrosian | Ari | mr | 28 | 3 | 0 | 2 | 3 | 15 | 0 | 0 | 3 | 7.6 | 5.1 | 13.1 | 8.3 | 0.8 | 1.6 | 1.41 |
| Tyler Beede | NYM | sp | 27 | 2 | 1 | 1 | 4 | 10 | 0 | 4 | 2 | 9.4 | 3.5 | 13.2 | 8.7 | 2.1 | 2.5 | 1.44 |
| Jose Berrios | Cin | sp | 26 | 5 | 2 | 0 | 8 | 9 | 1 | 4 | 8 | 8.8 | 2.3 | 11.4 | 8.8 | 1.4 | 3.8 | 1.23 |
| Chad Bettis | NYM | mr | 31 | 0 | 0 | 0 | 2 | 3 | 0 | 1 | 0 | 8.7 | 0.5 | 9.7 | 6.6 | 0.5 | 12.5 | 1.02 |
| Joe Biagini | NYM | mr | 30 | 1 | 0 | 2 | 0 | 2 | 0 | 0 | 1 | 8.9 | 3.5 | 12.5 | 9.3 | 1.5 | 2.6 | 1.39 |
| Shane Bieber | Col | sp | 25 | 6 | 0 | 2 | 5 | 2 | 3 | 4 | 2 | 8.0 | 1.9 | 10.1 | 11.9 | 1.3 | 6.3 | 1.10 |
| Buddy Boshers* | Phi | mr | 32 | 2 | 0 | 3 | 3 | 3 | 0 | 1 | 0 | 9.3 | 4.8 | 14.7 | 12.5 | 1.3 | 2.6 | 1.56 |
| Archie Bradley | Was | cl | 27 | 5 | 0 | 0 | 4 | 0 | 0 | 2 | 0 | 10.2 | 3.5 | 14.2 | 10.3 | 1.1 | 3.0 | 1.52 |
| Ryan Brasier | StL | mr | 32 | 0 | 1 | 1 | 1 | 2 | 0 | 2 | 4 | 8.5 | 3.3 | 11.9 | 10.3 | 1.0 | 3.2 | 1.30 |
| Steven Brault* | Mil | sp | 28 | 5 | 1 | 5 | 2 | 4 | 0 | 4 | 1 | 7.4 | 3.6 | 11.2 | 6.7 | 0.9 | 1.8 | 1.22 |
| John Brebbia | StL | mr | 30 | 2 | 1 | 0 | 1 | 0 | 0 | 1 | 3 | 5.7 | 2.0 | 7.9 | 11.2 | 0.6 | 5.5 | 0.86 |
| Austin Brice | SF | mr | 28 | 1 | 0 | 1 | 6 | 1 | 0 | 1 | 1 | 6.7 | 2.2 | 9.9 | 9.0 | 1.8 | 4.2 | 0.98 |
| Jeff Brigham | SF | mr | 28 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 11.1 | 2.8 | 13.9 | 8.4 | 2.2 | 3.0 | 1.55 |
| Aaron Brooks | Atl | sp | 30 | 3 | 1 | 2 | 6 | 2 | 1 | 1 | 7 | 9.7 | 2.4 | 12.6 | 7.4 | 1.6 | 3.0 | 1.35 |
| Clay Buchholz | NYM | sp | 35 | 1 | 1 | 1 | 1 | 1 | 0 | 2 | 2 | 9.2 | 2.4 | 11.7 | 7.2 | 1.8 | 3.0 | 1.29 |
| Walker Buehler | Was | sp | 25 | 6 | 3 | 0 | 7 | 0 | 0 | 3 | 7 | 8.6 | 1.3 | 10.2 | 11.0 | 1.0 | 8.6 | 1.10 |
| Aaron Bummer* | ChC | mr | 26 | 3 | 1 | 1 | 3 | 2 | 0 | 0 | 2 | 4.7 | 2.5 | 7.6 | 9.6 | 0.6 | 3.8 | 0.80 |
| Ryan Burr | Atl | mr | 26 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.2 | 4.2 | 9.3 | 4.2 | 1.0 | 1.0 | 1.04 |
| Ty Buttrey | NYM | mr | 27 | 6 | 0 | 0 | 5 | 4 | 0 | 1 | 2 | 6.8 | 2.4 | 9.7 | 11.5 | 1.2 | 4.9 | 1.02 |
| Carlos Carrasco | StL | sp | 33 | 2 | 2 | 0 | 1 | 1 | 0 | 2 | 4 | 10.1 | 1.3 | 11.5 | 12.0 | 1.7 | 8.9 | 1.27 |
| Diego Castillo | Cin | mr | 26 | 2 | 0 | 1 | 4 | 3 | 0 | 0 | 2 | 8.7 | 2.6 | 11.8 | 11.8 | 1.7 | 4.6 | 1.25 |
| Luis Castillo | Phi | sp | 27 | 8 | 4 | 1 | 5 | 0 | 3 | 7 | 3 | 6.7 | 3.0 | 9.9 | 10.1 | 1.3 | 3.4 | 1.08 |
| Dylan Cease | SD | sp | 24 | 1 | 0 | 2 | 3 | 3 | 0 | 1 | 1 | 11.0 | 4.3 | 15.7 | 9.7 | 2.8 | 2.3 | 1.70 |
| Luis Cessa | Was | mr | 28 | 2 | 0 | 0 | 4 | 0 | 0 | 0 | 1 | 8.7 | 3.0 | 12.1 | 8.0 | 2.1 | 2.7 | 1.29 |
| Aroldis Chapman* | NYM | cl | 32 | 0 | 0 | 0 | 1 | 5 | 0 | 0 | 0 | 4.0 | 6.2 | 10.6 | 15.3 | 0.4 | 2.5 | 1.14 |
| Jesse Chavez | Ari | mr | 36 | 1 | 0 | 0 | 2 | 0 | 0 | 2 | 0 | 8.8 | 1.7 | 11.0 | 7.7 | 0.8 | 4.7 | 1.16 |
| Wei-Yin Chen* | SD | mr | 34 | 1 | 0 | 0 | 3 | 2 | 0 | 1 | 0 | 12.0 | 0.9 | 14.2 | 9.3 | 1.8 | 10.5 | 1.43 |
| Emmanuel Clase | StL | mr | 22 | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 7.4 | 2.6 | 10.6 | 5.8 | 1.1 | 2.2 | 1.12 |
| Mike Clevinger | Phi | sp | 29 | 5 | 1 | 2 | 8 | 0 | 0 | 5 | 2 | 7.4 | 1.9 | 9.7 | 13.3 | 0.9 | 7.0 | 1.03 |
| Gerrit Cole | Col | sp | 29 | 7 | 1 | 0 | 9 | 5 | 3 | 1 | 3 | 6.2 | 2.1 | 8.6 | 14.8 | 0.9 | 7.2 | 0.91 |
| Taylor Cole | Cin | mr | 30 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 13.5 | 4.8 | 19.3 | 9.6 | 0.0 | 2.0 | 2.04 |
| Adam Conley* | Phi | mr | 30 | 2 | 2 | 4 | 1 | 2 | 0 | 0 | 2 | 11.0 | 3.5 | 14.6 | 9.5 | 1.9 | 2.8 | 1.61 |
| Sam Coonrod | SF | mr | 27 | 2 | 0 | 1 | 6 | 4 | 2 | 0 | 3 | 6.7 | 5.5 | 13.4 | 6.3 | 0.4 | 1.1 | 1.35 |
| Patrick Corbin* | Atl | sp | 30 | 11 | 1 | 9 | 4 | 2 | 0 | 6 | 10 | 6.7 | 3.3 | 10.2 | 11.8 | 0.9 | 3.6 | 1.11 |
| Jimmy Cordero | Atl | mr | 28 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 2.5 | 3.4 | 6.8 | 8.4 | 0.8 | 2.5 | 0.66 |
| Nestor Cortes* | ChC | mr | 25 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 10.1 | 4.8 | 15.4 | 11.1 | 1.9 | 2.3 | 1.66 |
| Stefan Crichton | Mil | mr | 28 | 0 | 0 | 0 | 1 | 2 | 0 | 0 | 0 | 8.4 | 2.1 | 10.7 | 9.2 | 1.0 | 4.4 | 1.17 |
| Zach Davies | Pit | sp | 27 | 10 | 3 | 0 | 5 | 9 | 0 | 3 | 4 | 9.2 | 2.6 | 12.0 | 6.4 | 0.8 | 2.5 | 1.31 |
| Grant Dayton* | Atl | mr | 32 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.3 | 1.4 | 5.7 | 9.9 | 1.4 | 7.0 | 0.63 |
| Jacob deGrom | LAD | sp | 32 | 9 | 3 | 0 | 5 | 1 | 0 | 6 | 4 | 7.5 | 2.3 | 10.0 | 11.1 | 1.2 | 4.8 | 1.09 |
| Ross Detwiler* | NYM | sp | 34 | 3 | 2 | 3 | 9 | 4 | 0 | 2 | 4 | 10.8 | 3.0 | 14.3 | 6.2 | 2.4 | 2.1 | 1.53 |
| Jairo Diaz | LAD | mr | 29 | 2 | 1 | 1 | 0 | 3 | 0 | 0 | 1 | 5.2 | 2.5 | 7.7 | 9.1 | 0.5 | 3.6 | 0.85 |
| Seranthony Dominguez | Phi | mr | 25 | 5 | 0 | 2 | 3 | 1 | 0 | 1 | 2 | 9.9 | 4.1 | 14.8 | 10.2 | 0.3 | 2.5 | 1.55 |
| Zach Eflin | Mia | sp | 26 | 3 | 3 | 4 | 10 | 0 | 0 | 2 | 4 | 8.9 | 2.2 | 11.6 | 7.7 | 1.6 | 3.5 | 1.24 |
| Jerad Eickhoff | Phi | sp | 29 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 10.1 | 2.8 | 12.9 | 8.6 | 4.3 | 3.1 | 1.44 |
| Roenis Elias* | Mia | cl | 31 | 4 | 1 | 5 | 2 | 1 | 1 | 2 | 3 | 6.7 | 4.2 | 11.2 | 8.8 | 1.0 | 2.1 | 1.21 |
| Robbie Erlin* | SD | mr | 29 | 2 | 1 | 2 | 4 | 3 | 0 | 1 | 3 | 10.9 | 2.1 | 13.6 | 8.7 | 1.2 | 4.1 | 1.45 |
| Jeurys Familia | Was | mr | 30 | 1 | 0 | 5 | 5 | 3 | 0 | 0 | 0 | 8.1 | 6.7 | 15.6 | 9.8 | 0.5 | 1.5 | 1.65 |
| Jacob Faria | LAD | mr | 26 | 0 | 0 | 0 | 2 | 3 | 0 | 1 | 3 | 14.3 | 7.1 | 22.1 | 10.5 | 3.0 | 1.5 | 2.38 |
| Luke Farrell | Mil | mr | 29 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 2 | 7.8 | 3.0 | 10.8 | 6.0 | 3.0 | 2.0 | 1.20 |
| Caleb Ferguson* | Was | mr | 23 | 1 | 0 | 0 | 4 | 1 | 1 | 0 | 1 | 7.5 | 3.1 | 11.9 | 8.8 | 1.3 | 2.8 | 1.19 |
| Junior Fernandez | Atl | mr | 23 | 0 | 0 | 0 | 2 | 1 | 0 | 0 | 0 | 12.5 | 0.0 | 16.6 | 10.4 | 2.1 | 99.0 | 1.38 |
| Mike Fiers | SD | sp | 35 | 3 | 2 | 3 | 8 | 20 | 0 | 6 | 5 | 9.3 | 2.9 | 12.6 | 7.1 | 1.7 | 2.4 | 1.36 |
| Mike Foltynewicz | Ari | sp | 28 | 6 | 5 | 0 | 6 | 3 | 0 | 1 | 7 | 9.9 | 2.4 | 12.7 | 8.1 | 2.0 | 3.3 | 1.37 |
| Wilmer Font | Mil | mr | 30 | 0 | 1 | 2 | 1 | 0 | 0 | 1 | 0 | 6.6 | 2.8 | 9.6 | 9.6 | 2.0 | 3.4 | 1.05 |
| Carson Fulmer | SD | mr | 26 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.0 | 2.0 | 9.0 | 13.0 | 3.0 | 6.5 | 1.00 |
| Zac Gallen | Ari | sp | 24 | 9 | 0 | 2 | 4 | 4 | 0 | 0 | 0 | 9.5 | 5.0 | 14.9 | 13.2 | 1.4 | 2.6 | 1.61 |
| John Gant | ChC | mr | 27 | 3 | 3 | 4 | 2 | 0 | 0 | 1 | 0 | 10.2 | 7.1 | 17.6 | 7.2 | 1.3 | 1.0 | 1.92 |
| Edgar Garcia | Phi | mr | 23 | 2 | 0 | 1 | 1 | 4 | 0 | 1 | 1 | 7.4 | 4.6 | 12.1 | 9.8 | 1.1 | 2.1 | 1.33 |
| Amir Garrett* | Phi | mr | 28 | 3 | 1 | 0 | 1 | 9 | 0 | 1 | 1 | 9.7 | 7.3 | 17.1 | 11.6 | 2.0 | 1.6 | 1.89 |
| Kevin Gausman | SD | sp | 29 | 3 | 1 | 2 | 2 | 1 | 0 | 3 | 4 | 11.7 | 3.0 | 14.9 | 10.3 | 1.3 | 3.5 | 1.63 |
| Sam Gaviglio | Col | mr | 30 | 2 | 0 | 0 | 1 | 0 | 2 | 2 | 3 | 10.0 | 2.2 | 12.2 | 9.9 | 2.8 | 4.6 | 1.35 |
| Domingo German | Mil | sp | 27 | 5 | 0 | 2 | 4 | 1 | 0 | 3 | 5 | 7.9 | 2.1 | 10.2 | 8.9 | 1.6 | 4.1 | 1.11 |
| Kevin Ginkel | Mil | mr | 26 | 1 | 0 | 4 | 2 | 1 | 0 | 0 | 1 | 8.1 | 4.7 | 13.5 | 11.1 | 0.7 | 2.4 | 1.42 |
| Lucas Giolito | SD | sp | 25 | 5 | 3 | 1 | 9 | 3 | 0 | 3 | 4 | 7.8 | 2.9 | 11.2 | 11.6 | 1.1 | 4.0 | 1.19 |
| Mychal Givens | SD | mr | 30 | 2 | 1 | 3 | 1 | 7 | 0 | 2 | 1 | 10.5 | 3.2 | 13.9 | 11.7 | 2.6 | 3.6 | 1.53 |
| Tony Gonsolin | Mil | sp | 26 | 1 | 0 | 0 | 2 | 2 | 1 | 0 | 1 | 5.5 | 3.0 | 8.9 | 8.7 | 0.6 | 2.9 | 0.95 |
| Marco Gonzales* | Was | sp | 28 | 4 | 1 | 1 | 4 | 1 | 2 | 8 | 8 | 10.6 | 1.7 | 12.4 | 7.3 | 0.9 | 4.2 | 1.36 |
| Chi Chi Gonzalez | SF | sp | 28 | 3 | 0 | 2 | 1 | 3 | 0 | 0 | 1 | 8.4 | 4.8 | 13.2 | 7.0 | 1.8 | 1.5 | 1.46 |
| Trevor Gott | ChC | mr | 27 | 1 | 0 | 1 | 2 | 1 | 0 | 0 | 2 | 6.7 | 3.6 | 10.6 | 10.5 | 0.5 | 2.9 | 1.15 |
| Matt Grace* | Mia | mr | 31 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 1 | 9.7 | 2.7 | 13.0 | 7.6 | 1.1 | 2.8 | 1.38 |
| Sonny Gray | Ari | sp | 30 | 15 | 2 | 0 | 10 | 8 | 0 | 4 | 7 | 6.0 | 3.2 | 9.6 | 11.6 | 0.7 | 3.7 | 1.02 |
| Shane Greene | Was | cl | 31 | 0 | 0 | 1 | 4 | 1 | 0 | 2 | 1 | 8.8 | 2.2 | 11.5 | 10.5 | 2.0 | 4.7 | 1.22 |
| Zack Greinke | ChC | sp | 36 | 5 | 1 | 1 | 12 | 3 | 1 | 2 | 7 | 9.6 | 1.4 | 11.4 | 8.2 | 0.7 | 5.8 | 1.22 |
| Taylor Guilbeau* | Pit | mr | 27 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 7.3 | 2.3 | 10.0 | 5.3 | 0.9 | 2.3 | 1.08 |
| Jandel Gustave | StL | mr | 27 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 8.5 | 6.4 | 14.9 | 5.7 | 0.0 | 0.9 | 1.66 |
| Josh Hader* | SD | cl | 26 | 3 | 1 | 0 | 4 | 0 | 0 | 0 | 1 | 4.7 | 0.8 | 5.8 | 15.8 | 1.3 | 20.3 | 0.61 |
| JD Hammer | SF | mr | 25 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 5.4 | 10.8 | 16.2 | 6.1 | 1.3 | 0.6 | 1.80 |
| J.A. Happ* | ChC | sp | 37 | 10 | 1 | 6 | 8 | 2 | 0 | 4 | 2 | 10.1 | 3.6 | 14.1 | 8.2 | 2.1 | 2.3 | 1.52 |
| Blaine Hardy* | Ari | mr | 33 | 4 | 0 | 1 | 1 | 2 | 1 | 1 | 1 | 7.1 | 2.6 | 9.8 | 7.4 | 2.4 | 2.9 | 1.07 |
| Ryne Harper | Cin | mr | 31 | 2 | 0 | 0 | 3 | 7 | 0 | 0 | 4 | 8.9 | 1.7 | 10.9 | 8.4 | 0.8 | 5.0 | 1.17 |
| Hunter Harvey | NYM | mr | 25 | 1 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 5.0 | 6.0 | 12.0 | 13.0 | 3.0 | 2.2 | 1.22 |
| Andrew Heaney* | StL | sp | 29 | 9 | 0 | 1 | 5 | 5 | 0 | 4 | 6 | 9.8 | 2.8 | 13.0 | 11.5 | 1.6 | 4.1 | 1.40 |
| Ben Heller | LAD | mr | 28 | 2 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 12.6 | 3.6 | 16.2 | 9.9 | 3.6 | 2.8 | 1.80 |
| Ryan Helsley | Pit | mr | 25 | 1 | 1 | 0 | 0 | 2 | 4 | 2 | 1 | 10.4 | 2.3 | 12.7 | 8.6 | 1.1 | 3.8 | 1.41 |
| Kyle Hendricks | Was | sp | 30 | 4 | 2 | 3 | 11 | 0 | 0 | 3 | 8 | 10.0 | 2.2 | 12.7 | 8.4 | 1.4 | 3.8 | 1.36 |
| Darwinzon Hernandez* | Atl | mr | 23 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 13.1 | 8.7 | 21.8 | 16.5 | 1.7 | 1.9 | 2.42 |
| Elieser Hernandez | Phi | sp | 25 | 3 | 0 | 0 | 3 | 3 | 1 | 1 | 0 | 10.5 | 2.8 | 13.7 | 9.5 | 2.8 | 3.4 | 1.47 |
| Kelvin Herrera | Ari | mr | 30 | 4 | 0 | 3 | 2 | 17 | 5 | 1 | 4 | 11.9 | 4.5 | 16.6 | 9.1 | 0.8 | 2.0 | 1.82 |
| Trevor Hildenberger | NYM | mr | 29 | 0 | 0 | 0 | 4 | 2 | 0 | 1 | 3 | 14.2 | 3.3 | 19.0 | 7.7 | 1.1 | 2.3 | 1.95 |
| Trevor Hildenberger |   | mr | 29 | 0 | 0 | 0 | 4 | 2 | 0 | 1 | 3 | 14.2 | 3.3 | 19.0 | 7.7 | 1.1 | 2.3 | 1.95 |
| Tim Hill* | LAD | mr | 30 | 1 | 0 | 3 | 7 | 1 | 0 | 1 | 4 | 6.1 | 3.3 | 10.5 | 7.8 | 1.3 | 2.4 | 1.05 |
| Yoshihisa Hirano | ChC | mr | 36 | 0 | 0 | 1 | 5 | 1 | 0 | 0 | 1 | 10.2 | 4.1 | 15.1 | 11.5 | 1.4 | 2.8 | 1.59 |
| Derek Holland* | Phi | mr | 33 | 9 | 1 | 1 | 5 | 2 | 0 | 2 | 1 | 9.8 | 4.4 | 14.6 | 8.5 | 2.7 | 1.9 | 1.58 |
| Adrian Houser | LAD | sp | 27 | 7 | 0 | 5 | 6 | 4 | 0 | 1 | 3 | 9.0 | 3.3 | 12.9 | 10.4 | 1.0 | 3.1 | 1.37 |
| Daniel Hudson | SF | mr | 33 | 1 | 2 | 1 | 6 | 6 | 0 | 0 | 2 | 6.0 | 2.9 | 9.6 | 8.7 | 0.9 | 3.0 | 0.99 |
| Jared Hughes | Ari | mr | 34 | 7 | 1 | 0 | 5 | 2 | 0 | 0 | 0 | 8.3 | 4.6 | 13.4 | 4.5 | 1.1 | 1.0 | 1.43 |
| Raisel Iglesias | Was | cl | 30 | 3 | 0 | 0 | 1 | 1 | 0 | 1 | 3 | 9.2 | 1.9 | 11.2 | 12.1 | 1.6 | 6.5 | 1.22 |
| Edwin Jackson | Phi | sp | 36 | 3 | 1 | 0 | 1 | 12 | 0 | 2 | 4 | 16.4 | 3.7 | 20.2 | 7.9 | 4.9 | 2.1 | 2.23 |
| Jay Jackson | Pit | mr | 32 | 2 | 0 | 1 | 2 | 0 | 1 | 0 | 3 | 6.5 | 4.0 | 10.9 | 14.2 | 1.3 | 3.6 | 1.16 |
| Luke Jackson | Pit | cl | 28 | 6 | 1 | 0 | 3 | 2 | 0 | 0 | 1 | 9.2 | 2.3 | 11.9 | 14.2 | 0.5 | 6.2 | 1.27 |
| Josh James | SD | mr | 27 | 2 | 3 | 1 | 3 | 11 | 0 | 4 | 1 | 6.9 | 4.2 | 11.6 | 16.1 | 1.9 | 3.8 | 1.23 |
| Jeremy Jeffress | Mil | mr | 32 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 12.3 | 4.9 | 17.2 | 7.4 | 0.0 | 1.5 | 1.91 |
| Joe Jimenez | StL | mr | 25 | 5 | 0 | 1 | 1 | 0 | 3 | 1 | 1 | 8.9 | 3.8 | 12.8 | 13.4 | 2.4 | 3.5 | 1.41 |
| Brian Johnson* | Was | mr | 29 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 13.5 | 6.8 | 22.5 | 9.0 | 2.3 | 1.3 | 2.25 |
| James Karinchak | SD | mr | 24 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 13.5 | 9.0 | 24.8 | 9.0 | 0.0 | 1.0 | 2.50 |
| Joe Kelly | ChC | mr | 32 | 2 | 1 | 0 | 4 | 10 | 1 | 1 | 0 | 9.3 | 3.1 | 12.9 | 10.3 | 0.9 | 3.3 | 1.38 |
| Merrill Kelly | Was | sp | 31 | 2 | 2 | 0 | 0 | 2 | 0 | 2 | 5 | 10.0 | 2.2 | 12.1 | 7.3 | 1.5 | 3.4 | 1.35 |
| Ian Kennedy | Cin | cl | 35 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 5.3 | 1.4 | 7.1 | 8.9 | 0.4 | 6.3 | 0.75 |
| Clayton Kershaw* | Mil | sp | 32 | 4 | 2 | 1 | 1 | 7 | 0 | 3 | 2 | 7.9 | 1.5 | 9.5 | 10.1 | 0.9 | 6.6 | 1.05 |
| Dallas Keuchel* | ChC | sp | 32 | 0 | 0 | 4 | 6 | 6 | 0 | 4 | 4 | 9.8 | 2.9 | 13.0 | 7.0 | 1.4 | 2.4 | 1.41 |
| Yusei Kikuchi* | Cin | sp | 29 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 11.7 | 1.8 | 13.5 | 7.4 | 1.8 | 4.1 | 1.50 |
| Craig Kimbrel | NYM | cl | 32 | 2 | 0 | 1 | 5 | 0 | 0 | 0 | 1 | 7.8 | 4.6 | 13.9 | 10.5 | 2.6 | 2.3 | 1.39 |
| Michael King | ChC | mr | 25 | 2 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 14.7 | 4.9 | 19.6 | 9.0 | 2.5 | 1.8 | 2.18 |
| Nick Kingham | SD | mr | 28 | 0 | 1 | 0 | 1 | 1 | 0 | 0 | 2 | 10.8 | 3.2 | 14.4 | 7.2 | 2.5 | 2.2 | 1.56 |
| Andrew Kittredge | Cin | mr | 30 | 0 | 0 | 1 | 3 | 2 | 0 | 2 | 2 | 8.8 | 2.4 | 11.9 | 10.7 | 1.0 | 4.4 | 1.24 |
| Branden Kline | Cin | mr | 28 | 0 | 0 | 0 | 0 | 6 | 0 | 2 | 0 | 9.1 | 5.8 | 15.0 | 7.1 | 1.7 | 1.2 | 1.66 |
| Corey Kluber | Mia | sp | 34 | 1 | 0 | 2 | 1 | 2 | 0 | 0 | 3 | 9.1 | 3.4 | 12.7 | 8.8 | 0.4 | 2.6 | 1.39 |
| Eric Lauer* | Pit | sp | 25 | 5 | 2 | 1 | 4 | 7 | 1 | 3 | 10 | 8.8 | 2.0 | 11.0 | 7.1 | 0.9 | 3.6 | 1.20 |
| Derek Law | Cin | mr | 29 | 2 | 0 | 1 | 1 | 5 | 0 | 0 | 0 | 8.8 | 4.7 | 13.7 | 9.3 | 1.4 | 2.0 | 1.50 |
| Jose Leclerc | Pit | mr | 26 | 5 | 1 | 2 | 4 | 11 | 0 | 1 | 3 | 7.4 | 6.7 | 14.6 | 13.1 | 1.2 | 1.9 | 1.57 |
| Dominic Leone | Cin | mr | 28 | 0 | 0 | 0 | 0 | 1 | 0 | 3 | 1 | 9.5 | 4.6 | 14.1 | 11.8 | 2.3 | 2.6 | 1.56 |
| Jon Lester* | Mia | sp | 36 | 11 | 2 | 6 | 8 | 6 | 0 | 9 | 7 | 10.3 | 2.2 | 12.9 | 8.5 | 1.2 | 3.9 | 1.39 |
| Francisco Liriano* | Col | mr | 36 | 2 | 1 | 0 | 3 | 1 | 0 | 1 | 3 | 7.3 | 4.6 | 12.4 | 9.6 | 1.1 | 2.1 | 1.33 |
| Pablo Lopez | LAD | sp | 24 | 2 | 2 | 5 | 8 | 7 | 0 | 4 | 1 | 9.4 | 2.4 | 12.2 | 7.8 | 1.5 | 3.3 | 1.31 |
| Joey Lucchesi* | Col | sp | 27 | 6 | 4 | 0 | 5 | 12 | 0 | 5 | 3 | 9.5 | 2.6 | 12.3 | 8.9 | 1.2 | 3.4 | 1.34 |
| Seth Lugo | Cin | mr | 30 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 5.0 | 1.2 | 6.6 | 10.8 | 0.4 | 9.3 | 0.69 |
| Seth Lugo | NYM | mr | 30 | 1 | 2 | 2 | 3 | 1 | 0 | 0 | 2 | 5.8 | 2.0 | 8.2 | 14.0 | 1.5 | 7.1 | 0.86 |
| Seth Lugo |   | mr | 30 | 1 | 2 | 2 | 4 | 1 | 0 | 0 | 2 | 5.6 | 1.7 | 7.8 | 13.1 | 1.2 | 7.5 | 0.81 |
| Jesus Luzardo* | NYM | cl | 22 | 0 | 0 | 0 | 2 | 1 | 0 | 0 | 0 | 5.3 | 1.1 | 7.4 | 7.9 | 1.1 | 7.5 | 0.71 |
| Jordan Lyles | Cin | sp | 29 | 2 | 0 | 3 | 6 | 7 | 0 | 5 | 3 | 9.6 | 3.9 | 13.9 | 9.5 | 2.0 | 2.5 | 1.50 |
| Kenta Maeda | Ari | sp | 32 | 5 | 0 | 2 | 6 | 2 | 0 | 6 | 3 | 6.9 | 3.3 | 10.5 | 10.0 | 1.4 | 3.0 | 1.13 |
| Sean Manaea* | Phi | sp | 28 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 5.0 | 2.0 | 7.0 | 8.6 | 0.9 | 4.3 | 0.78 |
| Evan Marshall | LAD | mr | 30 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 2 | 9.5 | 4.9 | 14.8 | 6.8 | 1.5 | 1.4 | 1.61 |
| Brett Martin* | Atl | mr | 25 | 3 | 2 | 2 | 4 | 5 | 0 | 1 | 1 | 9.4 | 3.1 | 12.9 | 8.1 | 1.1 | 2.6 | 1.39 |
| Corbin Martin | LAD | sp | 24 | 0 | 2 | 0 | 0 | 3 | 0 | 0 | 0 | 12.2 | 8.4 | 20.5 | 8.4 | 3.4 | 1.0 | 2.28 |
| Trevor May | ChC | mr | 30 | 2 | 0 | 0 | 1 | 1 | 0 | 3 | 2 | 7.5 | 3.1 | 10.8 | 10.8 | 2.3 | 3.4 | 1.18 |
| Mike Mayers | Atl | mr | 28 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 17.2 | 0.0 | 17.2 | 7.4 | 2.5 | 99.0 | 1.91 |
| Kevin McCarthy | Mia | mr | 28 | 2 | 0 | 1 | 1 | 2 | 0 | 0 | 0 | 7.9 | 2.1 | 10.1 | 5.4 | 0.3 | 2.6 | 1.11 |
| Collin McHugh | ChC | mr | 33 | 8 | 1 | 3 | 3 | 0 | 0 | 1 | 2 | 9.4 | 4.0 | 13.7 | 10.2 | 1.7 | 2.5 | 1.49 |
| John Means* | Phi | sp | 27 | 1 | 4 | 1 | 9 | 4 | 0 | 4 | 2 | 8.0 | 2.4 | 10.8 | 7.6 | 1.4 | 3.2 | 1.15 |
| Keynan Middleton | Atl | mr | 26 | 0 | 0 | 2 | 1 | 3 | 0 | 0 | 1 | 9.2 | 10.7 | 20.6 | 9.9 | 0.0 | 0.9 | 2.21 |
| Miles Mikolas | Atl | sp | 31 | 11 | 0 | 6 | 11 | 4 | 2 | 5 | 3 | 8.6 | 2.1 | 11.2 | 6.7 | 1.1 | 3.1 | 1.19 |
| Andrew Miller* | Mil | mr | 35 | 0 | 0 | 0 | 9 | 3 | 0 | 2 | 1 | 9.3 | 4.4 | 16.0 | 9.6 | 2.7 | 2.2 | 1.53 |
| Shelby Miller | NYM | mr | 29 | 2 | 2 | 0 | 4 | 0 | 0 | 0 | 0 | 9.3 | 3.4 | 13.5 | 4.9 | 0.8 | 1.4 | 1.41 |
| Tom Milone* | Atl | mr | 33 | 1 | 0 | 0 | 1 | 1 | 0 | 2 | 1 | 8.3 | 1.6 | 10.1 | 9.3 | 2.6 | 5.8 | 1.10 |
| Juan Minaya | NYM | mr | 29 | 1 | 0 | 0 | 4 | 6 | 0 | 0 | 0 | 8.4 | 4.0 | 13.7 | 9.9 | 1.6 | 2.5 | 1.38 |
| Frankie Montas | ChC | sp | 27 | 4 | 1 | 5 | 7 | 0 | 0 | 0 | 3 | 7.2 | 2.6 | 10.2 | 10.3 | 0.7 | 4.0 | 1.08 |
| Rafael Montero | Mia | mr | 29 | 0 | 0 | 0 | 2 | 0 | 1 | 0 | 0 | 7.7 | 1.9 | 10.2 | 9.4 | 1.7 | 4.9 | 1.07 |
| Charlie Morton | Mil | sp | 36 | 5 | 1 | 6 | 10 | 8 | 0 | 6 | 3 | 8.1 | 2.6 | 11.2 | 11.4 | 1.0 | 4.4 | 1.19 |
| Jake Newberry | Mia | mr | 25 | 1 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 5.3 | 3.5 | 9.1 | 7.7 | 2.5 | 2.2 | 0.97 |
| Juan Nicasio | Phi | mr | 33 | 9 | 1 | 1 | 4 | 1 | 1 | 0 | 3 | 8.1 | 3.4 | 12.0 | 10.0 | 0.8 | 3.0 | 1.28 |
| Scott Oberg | Col | mr | 30 | 1 | 0 | 1 | 2 | 3 | 0 | 0 | 2 | 6.0 | 3.1 | 9.6 | 11.4 | 0.8 | 3.7 | 1.01 |
| Tyler Olson* | StL | mr | 30 | 0 | 1 | 0 | 3 | 2 | 0 | 0 | 1 | 12.9 | 3.5 | 17.3 | 8.2 | 0.3 | 2.4 | 1.81 |
| Josh Osich* | StL | mr | 31 | 4 | 1 | 1 | 2 | 0 | 1 | 0 | 3 | 6.6 | 1.9 | 8.8 | 7.8 | 1.5 | 4.2 | 0.94 |
| Adam Ottavino | Ari | mr | 34 | 9 | 1 | 3 | 1 | 8 | 2 | 3 | 3 | 7.0 | 8.4 | 15.5 | 11.4 | 0.7 | 1.4 | 1.71 |
| Emilio Pagan | StL | cl | 29 | 4 | 3 | 0 | 1 | 5 | 0 | 1 | 1 | 5.6 | 1.7 | 7.5 | 11.4 | 0.8 | 6.7 | 0.82 |
| James Paxton* | StL | sp | 31 | 8 | 1 | 4 | 5 | 4 | 2 | 3 | 3 | 9.4 | 3.2 | 12.8 | 11.7 | 1.2 | 3.7 | 1.40 |
| James Pazos* | Cin | mr | 29 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 5.5 | 4.5 | 10.0 | 3.0 | 0.0 | 0.7 | 1.11 |
| Felix Pena | SF | mr | 30 | 2 | 0 | 0 | 2 | 2 | 0 | 1 | 1 | 8.9 | 2.3 | 11.5 | 12.3 | 2.5 | 5.4 | 1.24 |
| Martin Perez* | SD | sp | 29 | 14 | 0 | 11 | 7 | 2 | 2 | 7 | 5 | 10.0 | 3.4 | 13.8 | 7.2 | 1.3 | 2.1 | 1.49 |
| Evan Phillips | Ari | mr | 25 | 0 | 0 | 0 | 2 | 2 | 0 | 0 | 3 | 15.1 | 10.8 | 28.1 | 13.0 | 1.1 | 1.2 | 2.88 |
| Nick Pivetta | Atl | mr | 27 | 5 | 0 | 0 | 5 | 2 | 1 | 2 | 2 | 11.5 | 3.4 | 15.4 | 8.3 | 2.4 | 2.4 | 1.65 |
| Zach Plesac | Cin | sp | 25 | 2 | 0 | 0 | 4 | 1 | 0 | 3 | 9 | 9.3 | 3.4 | 12.9 | 5.8 | 1.5 | 1.7 | 1.40 |
| Colin Poche* | Col | mr | 26 | 0 | 0 | 0 | 2 | 0 | 0 | 2 | 0 | 8.7 | 3.7 | 13.3 | 14.2 | 2.7 | 3.9 | 1.37 |
| Rick Porcello | LAD | sp | 31 | 6 | 2 | 4 | 10 | 9 | 5 | 4 | 6 | 10.5 | 2.6 | 13.5 | 7.6 | 2.1 | 2.9 | 1.45 |
| Ryan Pressly | Mil | mr | 31 | 2 | 1 | 0 | 3 | 6 | 0 | 0 | 1 | 7.9 | 2.1 | 10.3 | 12.1 | 1.1 | 5.9 | 1.10 |
| Jose Quintana* | Mia | sp | 31 | 2 | 0 | 6 | 4 | 14 | 0 | 1 | 11 | 9.4 | 2.4 | 12.0 | 8.1 | 1.1 | 3.4 | 1.31 |
| Tanner Rainey | StL | mr | 27 | 1 | 1 | 2 | 5 | 8 | 0 | 1 | 0 | 4.7 | 5.3 | 10.8 | 12.7 | 0.3 | 2.4 | 1.11 |
| Nick Ramirez* | Cin | mr | 30 | 1 | 1 | 2 | 1 | 10 | 0 | 2 | 0 | 7.5 | 4.7 | 12.3 | 9.6 | 1.3 | 2.0 | 1.35 |
| Noe Ramirez | Mia | mr | 30 | 1 | 0 | 1 | 7 | 1 | 0 | 3 | 6 | 6.9 | 3.5 | 11.1 | 10.6 | 1.3 | 3.0 | 1.16 |
| Edubray Ramos | LAD | mr | 27 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 25.4 | 11.1 | 36.5 | 3.2 | 6.4 | 0.3 | 4.06 |
| Robbie Ray* | StL | sp | 28 | 13 | 3 | 5 | 8 | 6 | 0 | 4 | 5 | 8.7 | 3.8 | 12.9 | 13.2 | 1.5 | 3.5 | 1.39 |
| Cody Reed* | Pit | mr | 27 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 8.0 | 2.0 | 10.0 | 12.0 | 0.0 | 6.0 | 1.11 |
| Gerardo Reyes | LAD | mr | 27 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 1 | 9.5 | 3.2 | 12.7 | 12.7 | 0.0 | 4.0 | 1.41 |
| Clayton Richard* | Ari | sp | 36 | 1 | 1 | 0 | 7 | 4 | 0 | 0 | 3 | 13.4 | 2.3 | 17.2 | 5.2 | 1.1 | 2.3 | 1.74 |
| Garrett Richards | Phi | sp | 32 | 0 | 1 | 0 | 0 | 1 | 0 | 2 | 0 | 11.4 | 5.2 | 16.6 | 9.0 | 2.4 | 1.7 | 1.84 |
| Fernando Rodney | Mia | mr | 43 | 0 | 0 | 1 | 0 | 2 | 0 | 0 | 1 | 10.6 | 9.8 | 20.5 | 13.1 | 0.0 | 1.3 | 2.27 |
| Carlos Rodon* | SF | sp | 27 | 1 | 1 | 0 | 2 | 4 | 0 | 0 | 1 | 9.8 | 4.2 | 14.6 | 12.2 | 1.6 | 2.9 | 1.56 |
| Dereck Rodriguez | StL | sp | 28 | 6 | 4 | 1 | 1 | 2 | 0 | 0 | 2 | 8.2 | 3.0 | 11.3 | 7.4 | 2.3 | 2.5 | 1.25 |
| Eduardo Rodriguez* | Col | sp | 27 | 4 | 1 | 0 | 7 | 1 | 0 | 4 | 2 | 8.4 | 2.8 | 11.5 | 9.6 | 1.1 | 3.4 | 1.24 |
| Jefry Rodriguez | Mil | sp | 26 | 1 | 0 | 0 | 1 | 1 | 1 | 0 | 2 | 11.8 | 2.0 | 14.1 | 7.3 | 0.6 | 3.7 | 1.53 |
| Jose Rodriguez | Was | mr | 24 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 7.2 | 3.6 | 10.8 | 5.4 | 0.0 | 1.5 | 1.20 |
| Taylor Rogers* | Mia | cl | 29 | 1 | 0 | 2 | 2 | 2 | 0 | 0 | 0 | 5.2 | 1.7 | 7.1 | 11.1 | 0.2 | 6.7 | 0.76 |
| Tyler Rogers | Cin | mr | 29 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 8.6 | 1.3 | 9.9 | 9.0 | 0.4 | 6.7 | 1.10 |
| Sergio Romo | Col | cl | 37 | 2 | 2 | 0 | 2 | 2 | 0 | 1 | 2 | 7.7 | 2.0 | 10.0 | 7.7 | 1.7 | 3.9 | 1.08 |
| Hector Rondon | Atl | mr | 32 | 5 | 2 | 3 | 0 | 0 | 0 | 1 | 3 | 7.8 | 3.1 | 10.9 | 6.7 | 1.2 | 2.2 | 1.21 |
| Jose Ruiz | Was | mr | 25 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 11.2 | 8.2 | 19.4 | 7.0 | 0.0 | 0.9 | 2.15 |
| Hyun-Jin Ryu* | Ari | sp | 33 | 9 | 3 | 2 | 4 | 0 | 0 | 2 | 6 | 7.8 | 0.9 | 8.9 | 8.0 | 0.7 | 8.6 | 0.97 |
| CC Sabathia* | SF | sp | 39 | 4 | 2 | 2 | 6 | 0 | 0 | 9 | 4 | 9.9 | 2.5 | 12.7 | 9.1 | 2.3 | 3.7 | 1.37 |
| Casey Sadler | SF | mr | 29 | 0 | 0 | 0 | 2 | 0 | 0 | 1 | 1 | 10.5 | 1.5 | 12.4 | 5.6 | 1.7 | 3.6 | 1.34 |
| Connor Sadzeck | SF | mr | 28 | 2 | 1 | 0 | 3 | 1 | 0 | 0 | 0 | 6.5 | 4.3 | 11.9 | 10.4 | 1.1 | 2.4 | 1.20 |
| Chris Sale* | Atl | sp | 31 | 5 | 3 | 3 | 6 | 1 | 0 | 1 | 2 | 6.5 | 1.7 | 8.5 | 13.6 | 1.2 | 8.1 | 0.91 |
| Jeff Samardzija | Pit | sp | 35 | 17 | 5 | 1 | 4 | 6 | 0 | 4 | 4 | 7.7 | 2.1 | 10.0 | 6.7 | 1.5 | 3.2 | 1.09 |
| Adrian Sampson | Mia | mr | 28 | 3 | 0 | 1 | 11 | 4 | 0 | 3 | 0 | 9.3 | 2.4 | 12.6 | 8.3 | 1.2 | 3.5 | 1.30 |
| Aaron Sanchez | NYM | sp | 27 | 7 | 0 | 3 | 16 | 8 | 0 | 3 | 4 | 10.2 | 4.3 | 15.5 | 8.2 | 1.4 | 1.9 | 1.62 |
| Anibal Sanchez | ChC | sp | 36 | 10 | 2 | 7 | 5 | 1 | 5 | 7 | 7 | 8.0 | 2.5 | 10.7 | 7.0 | 1.0 | 2.8 | 1.17 |
| Patrick Sandoval* | Pit | sp | 23 | 0 | 2 | 0 | 0 | 4 | 0 | 0 | 0 | 7.7 | 4.3 | 11.9 | 10.8 | 1.7 | 2.5 | 1.33 |
| Tanner Scott* | ChC | mr | 25 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.8 | 6.8 | 13.5 | 20.3 | 6.8 | 3.0 | 1.50 |
| Antonio Senzatela | Pit | sp | 25 | 3 | 4 | 1 | 3 | 1 | 1 | 4 | 1 | 11.6 | 2.8 | 14.6 | 5.2 | 1.4 | 1.9 | 1.60 |
| Luis Severino | NYM | sp | 26 | 2 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 6.9 | 3.4 | 10.3 | 9.2 | 0.0 | 2.7 | 1.15 |
| Paul Sewald | Pit | mr | 30 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 10.5 | 3.5 | 14.5 | 7.5 | 1.0 | 2.1 | 1.56 |
| Justus Sheffield* | Phi | sp | 24 | 6 | 0 | 1 | 0 | 3 | 0 | 1 | 2 | 10.5 | 3.3 | 13.7 | 9.3 | 1.4 | 2.9 | 1.53 |
| Tyler Skaggs* | Cin | sp | 28 | 0 | 3 | 2 | 2 | 3 | 2 | 2 | 1 | 9.1 | 2.8 | 12.1 | 9.4 | 0.7 | 3.4 | 1.32 |
| Eric Skoglund* | Phi | sp | 27 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 11.8 | 6.8 | 18.6 | 3.4 | 3.4 | 0.5 | 2.06 |
| Devin Smeltzer* | Pit | sp | 24 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 2 | 11.1 | 0.8 | 12.7 | 5.6 | 2.4 | 7.0 | 1.32 |
| Caleb Smith* | Mil | sp | 28 | 10 | 3 | 3 | 2 | 6 | 0 | 4 | 4 | 8.6 | 3.6 | 12.3 | 10.6 | 2.1 | 3.0 | 1.35 |
| Joe Smith | LAD | mr | 36 | 1 | 0 | 2 | 2 | 1 | 0 | 2 | 1 | 6.5 | 4.0 | 10.9 | 7.2 | 0.2 | 1.8 | 1.16 |
| Blake Snell* | LAD | sp | 27 | 12 | 2 | 1 | 2 | 18 | 1 | 2 | 1 | 10.6 | 3.8 | 14.5 | 13.2 | 1.6 | 3.5 | 1.60 |
| Chad Sobotka | NYM | mr | 26 | 2 | 2 | 0 | 3 | 8 | 0 | 1 | 1 | 7.6 | 7.4 | 15.7 | 11.3 | 1.8 | 1.5 | 1.67 |
| Joakim Soria | StL | mr | 36 | 3 | 1 | 4 | 3 | 3 | 1 | 1 | 2 | 8.3 | 4.0 | 12.6 | 11.3 | 0.8 | 2.8 | 1.37 |
| Gregory Soto* | StL | mr | 25 | 1 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 17.5 | 7.9 | 25.4 | 6.4 | 1.6 | 0.8 | 2.82 |
| Glenn Sparkman | NYM | sp | 28 | 3 | 0 | 1 | 6 | 6 | 4 | 2 | 6 | 10.6 | 2.3 | 13.3 | 4.6 | 2.3 | 2.0 | 1.44 |
| Ryne Stanek | Pit | mr | 28 | 0 | 1 | 0 | 1 | 8 | 0 | 2 | 2 | 9.8 | 6.1 | 16.0 | 10.2 | 1.2 | 1.7 | 1.76 |
| Drew Steckenrider | NYM | mr | 29 | 2 | 0 | 0 | 2 | 1 | 0 | 1 | 2 | 8.3 | 3.6 | 12.5 | 8.6 | 4.5 | 2.4 | 1.32 |
| Matt Strahm* | StL | mr | 28 | 7 | 5 | 1 | 7 | 2 | 3 | 1 | 5 | 10.3 | 1.3 | 11.9 | 9.2 | 1.7 | 7.3 | 1.28 |
| Dan Straily | NYM | sp | 31 | 0 | 0 | 1 | 1 | 2 | 0 | 0 | 2 | 14.7 | 4.9 | 20.0 | 7.7 | 6.0 | 1.6 | 2.18 |
| Stephen Strasburg | Cin | sp | 31 | 10 | 1 | 1 | 12 | 4 | 0 | 9 | 5 | 5.8 | 2.3 | 8.5 | 10.8 | 0.5 | 4.8 | 0.90 |
| Chris Stratton | StL | mr | 29 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 10.2 | 5.9 | 16.4 | 7.1 | 2.2 | 1.2 | 1.79 |
| Pedro Strop | Col | mr | 35 | 1 | 0 | 0 | 2 | 3 | 0 | 0 | 1 | 7.9 | 4.9 | 13.5 | 8.2 | 1.0 | 1.7 | 1.43 |
| Andrew Suarez* | SF | mr | 27 | 0 | 0 | 1 | 1 | 1 | 0 | 1 | 1 | 8.7 | 4.3 | 13.3 | 7.4 | 1.2 | 1.7 | 1.45 |
| Brent Suter* | LAD | mr | 30 | 0 | 0 | 0 | 0 | 5 | 0 | 0 | 0 | 9.1 | 1.1 | 10.2 | 7.4 | 1.1 | 7.0 | 1.13 |
| Anthony Swarzak | SD | mr | 34 | 0 | 0 | 2 | 2 | 1 | 0 | 2 | 4 | 9.8 | 4.1 | 14.1 | 9.3 | 1.7 | 2.3 | 1.54 |
| Jameson Taillon | Was | sp | 28 | 3 | 0 | 1 | 0 | 0 | 0 | 1 | 1 | 8.2 | 2.1 | 10.3 | 6.8 | 1.6 | 3.2 | 1.14 |
| Dillon Tate | Pit | mr | 26 | 1 | 1 | 0 | 7 | 6 | 0 | 1 | 3 | 8.2 | 3.6 | 13.6 | 6.9 | 1.3 | 1.9 | 1.31 |
| Josh Taylor* | Atl | mr | 27 | 3 | 0 | 5 | 5 | 4 | 0 | 2 | 1 | 7.7 | 3.3 | 11.7 | 12.2 | 1.1 | 3.8 | 1.22 |
| Trent Thornton | SF | sp | 26 | 4 | 1 | 1 | 5 | 4 | 0 | 6 | 9 | 7.6 | 3.7 | 11.5 | 9.3 | 0.9 | 2.5 | 1.25 |
| Jesus Tinoco | SF | mr | 25 | 0 | 0 | 0 | 2 | 1 | 0 | 0 | 2 | 6.8 | 3.2 | 10.7 | 8.7 | 2.8 | 2.8 | 1.10 |
| Blake Treinen | ChC | cl | 32 | 4 | 0 | 0 | 1 | 1 | 0 | 0 | 2 | 9.7 | 5.2 | 15.2 | 9.0 | 1.2 | 1.7 | 1.66 |
| Lou Trivino | Atl | mr | 28 | 7 | 1 | 0 | 0 | 9 | 0 | 0 | 1 | 8.3 | 4.3 | 12.6 | 10.1 | 0.8 | 2.3 | 1.40 |
| Framber Valdez* | Mia | mr | 26 | 2 | 1 | 2 | 1 | 7 | 1 | 2 | 1 | 8.9 | 4.9 | 14.0 | 10.9 | 0.9 | 2.2 | 1.53 |
| Jason Vargas* | Pit | sp | 37 | 10 | 3 | 0 | 10 | 8 | 0 | 5 | 5 | 7.9 | 3.8 | 12.2 | 7.0 | 1.0 | 1.9 | 1.30 |
| Felipe Vazquez* | Mil | cl | 28 | 1 | 1 | 2 | 6 | 4 | 0 | 1 | 1 | 6.9 | 2.1 | 9.8 | 12.2 | 1.0 | 5.9 | 0.99 |
| Drew VerHagen | Phi | mr | 29 | 1 | 1 | 1 | 4 | 4 | 0 | 0 | 1 | 11.0 | 2.6 | 14.3 | 7.8 | 1.4 | 2.9 | 1.52 |
| Adam Wainwright | Col | sp | 38 | 5 | 1 | 0 | 5 | 4 | 0 | 3 | 4 | 11.1 | 2.8 | 14.1 | 8.0 | 1.5 | 2.9 | 1.54 |
| Marcus Walden | Mia | mr | 31 | 4 | 2 | 1 | 5 | 8 | 2 | 1 | 3 | 5.5 | 3.4 | 9.4 | 9.1 | 0.5 | 2.6 | 1.00 |
| Jeremy Walker | LAD | mr | 25 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 14.0 | 4.3 | 18.4 | 9.7 | 0.0 | 2.3 | 2.04 |
| Adam Warren | NYM | mr | 32 | 0 | 1 | 0 | 3 | 6 | 0 | 0 | 0 | 7.1 | 3.3 | 11.1 | 8.6 | 2.8 | 2.6 | 1.15 |
| Jacob Webb | Was | mr | 26 | 2 | 2 | 1 | 2 | 5 | 0 | 1 | 1 | 8.0 | 4.2 | 12.5 | 8.7 | 2.0 | 2.1 | 1.35 |
| J.B. Wendelken | Was | mr | 27 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 7.3 | 4.4 | 11.7 | 10.2 | 0.0 | 2.3 | 1.30 |
| Zack Wheeler | SF | sp | 30 | 5 | 0 | 4 | 8 | 4 | 0 | 4 | 3 | 9.3 | 3.6 | 13.3 | 9.6 | 0.8 | 2.6 | 1.43 |
| Rowan Wick | NYM | mr | 27 | 1 | 1 | 2 | 5 | 4 | 0 | 1 | 0 | 6.6 | 4.6 | 12.2 | 7.5 | 0.5 | 1.6 | 1.25 |
| Brad Wieck* | SF | mr | 28 | 0 | 2 | 0 | 3 | 1 | 0 | 2 | 1 | 9.0 | 3.2 | 12.6 | 9.6 | 2.5 | 3.0 | 1.35 |
| Trevor Williams | LAD | sp | 28 | 0 | 2 | 3 | 6 | 3 | 0 | 10 | 3 | 12.1 | 2.5 | 14.9 | 7.0 | 2.3 | 2.8 | 1.62 |
| Justin Wilson* | Mil | mr | 32 | 1 | 2 | 2 | 4 | 5 | 1 | 1 | 3 | 7.6 | 2.5 | 10.8 | 10.3 | 0.5 | 4.1 | 1.12 |
| Asher Wojciechowski | Ari | sp | 31 | 4 | 4 | 0 | 15 | 2 | 0 | 4 | 2 | 8.4 | 2.8 | 12.3 | 9.4 | 2.0 | 3.3 | 1.24 |
| Hunter Wood | NYM | mr | 26 | 0 | 0 | 0 | 1 | 5 | 0 | 1 | 3 | 7.8 | 1.8 | 9.9 | 6.5 | 1.2 | 3.5 | 1.08 |
| Brandon Woodruff | Cin | sp | 27 | 3 | 0 | 1 | 3 | 1 | 2 | 5 | 1 | 8.7 | 2.4 | 11.3 | 10.4 | 1.0 | 4.3 | 1.23 |
| Brandon Workman | Col | mr | 31 | 7 | 1 | 0 | 1 | 4 | 3 | 0 | 1 | 3.5 | 4.0 | 7.6 | 14.0 | 0.3 | 3.5 | 0.84 |
| Jordan Yamamoto | Pit | sp | 24 | 7 | 2 | 1 | 8 | 5 | 0 | 3 | 2 | 7.2 | 4.7 | 12.6 | 9.2 | 1.4 | 1.9 | 1.32 |
| Gabriel Ynoa | NYM | mr | 27 | 3 | 1 | 0 | 0 | 4 | 0 | 2 | 0 | 9.9 | 2.1 | 12.0 | 5.4 | 1.9 | 2.6 | 1.33 |
| Alex Young* | Atl | sp | 26 | 6 | 2 | 5 | 9 | 3 | 0 | 2 | 1 | 7.2 | 2.7 | 10.7 | 8.1 | 2.1 | 3.0 | 1.10 |
| Analytical |
| Name | Team | P | Age | OPS | BIP | IPAVG | TBW | TBW/BF | TBWH | TBWH/BF | RC | RC27 | RCERA | CERA |
| Fernando Abad* | Pit | mr | 34 | .598 | 65 | .246 | 34 | .366 | 34 | .366 | 8.0 | 3.2 | 2.94 | 2.94 |
| Jason Adam | NYM | mr | 28 | .739 | 7 | .143 | 6 | .545 | 6 | .545 | 1.6 | 6.0 | 6.33 | 4.02 |
| Chance Adams | Mia | mr | 25 | .000 | 1 | .000 | 0 | .000 | 0 | .000 | -0.0 | -0.0 | -0.00 | 0.00 |
| Sandy Alcantara | SD | sp | 24 | .768 | 606 | .284 | 416 | .488 | 419 | .491 | 107.2 | 4.8 | 4.37 | 4.09 |
| Victor Alcantara | LAD | mr | 27 | .818 | 124 | .242 | 92 | .526 | 94 | .537 | 23.1 | 5.0 | 4.68 | 4.86 |
| Scott Alexander* | LAD | mr | 30 | .922 | 92 | .391 | 63 | .529 | 64 | .538 | 22.3 | 8.5 | 7.51 | 7.73 |
| Tyler Alexander* | LAD | sp | 25 | .720 | 209 | .297 | 130 | .438 | 134 | .451 | 33.0 | 4.1 | 3.70 | 3.77 |
| Cody Allen | Phi | mr | 31 | 1.219 | 69 | .377 | 116 | .817 | 116 | .817 | 43.8 | 14.4 | 13.15 | 12.97 |
| Logan Allen* | SD | mr | 23 | 1.450 | 42 | .476 | 53 | .855 | 55 | .887 | 24.7 | 21.5 | 19.35 | 21.02 |
| Yency Almonte | Mia | mr | 26 | .782 | 118 | .288 | 88 | .506 | 90 | .517 | 23.6 | 5.1 | 4.71 | 3.64 |
| Jose Alvarado* | Pit | mr | 25 | .836 | 112 | .321 | 116 | .530 | 119 | .543 | 33.5 | 6.6 | 5.94 | 6.59 |
| Jose Alvarez* | Mil | mr | 31 | .892 | 75 | .373 | 58 | .547 | 58 | .547 | 17.3 | 6.5 | 5.92 | 6.10 |
| Adbert Alzolay | ChC | sp | 25 | .667 | 5 | .400 | 5 | .417 | 5 | .417 | 1.5 | 5.1 | 4.62 | 3.21 |
| Nick Anderson | SD | mr | 29 | .665 | 139 | .367 | 128 | .424 | 129 | .427 | 31.2 | 3.9 | 3.53 | 2.99 |
| Shaun Anderson | SF | sp | 25 | .854 | 252 | .306 | 184 | .526 | 189 | .540 | 55.8 | 6.4 | 5.85 | 5.58 |
| Matt Andriese | SF | mr | 30 | .745 | 241 | .340 | 162 | .458 | 164 | .463 | 44.8 | 4.8 | 4.34 | 3.73 |
| Victor Arano | Pit | mr | 25 | .613 | 19 | .316 | 9 | .360 | 9 | .360 | 1.7 | 2.2 | 2.01 | 2.18 |
| Chris Archer | Mia | sp | 31 | .618 | 325 | .237 | 250 | .413 | 251 | .415 | 52.0 | 3.1 | 2.84 | 2.73 |
| Pedro Avila | Mia | sp | 23 | .620 | 35 | .229 | 16 | .364 | 17 | .386 | 3.5 | 2.9 | 2.51 | 2.90 |
| Michel Baez | Mil | mr | 24 | .510 | 85 | .224 | 40 | .308 | 43 | .331 | 7.8 | 2.1 | 1.92 | 1.61 |
| Pedro Baez | Col | mr | 32 | .690 | 165 | .267 | 113 | .423 | 120 | .449 | 27.6 | 3.8 | 3.53 | 3.36 |
| Homer Bailey | SF | sp | 34 | .730 | 550 | .273 | 382 | .461 | 385 | .465 | 97.8 | 4.5 | 4.06 | 4.21 |
| Kyle Barraclough | Atl | mr | 30 | .916 | 67 | .254 | 66 | .629 | 66 | .629 | 18.5 | 6.8 | 6.14 | 5.76 |
| Jaime Barria | Atl | sp | 23 | .769 | 244 | .291 | 191 | .495 | 193 | .500 | 51.0 | 5.1 | 4.68 | 4.42 |
| Tyler Bashlor | Phi | mr | 27 | .797 | 99 | .232 | 86 | .531 | 86 | .531 | 22.3 | 5.4 | 4.87 | 4.88 |
| Anthony Bass | Mil | mr | 32 | .534 | 157 | .217 | 75 | .332 | 76 | .336 | 15.5 | 2.5 | 2.22 | 1.85 |
| Chris Bassitt | Was | sp | 31 | .803 | 469 | .311 | 361 | .495 | 374 | .512 | 104.3 | 5.7 | 5.16 | 5.17 |
| Cam Bedrosian | Ari | mr | 28 | .707 | 220 | .282 | 157 | .447 | 160 | .456 | 37.8 | 4.1 | 3.76 | 3.92 |
| Tyler Beede | NYM | sp | 27 | .842 | 376 | .295 | 322 | .541 | 326 | .548 | 90.9 | 6.0 | 5.44 | 5.35 |
| Jose Berrios | Cin | sp | 26 | .720 | 625 | .291 | 421 | .447 | 429 | .455 | 110.1 | 4.4 | 4.02 | 3.80 |
| Chad Bettis | NYM | mr | 31 | .633 | 105 | .295 | 49 | .360 | 51 | .375 | 12.1 | 3.2 | 2.86 | 2.58 |
| Joe Biagini | NYM | mr | 30 | .774 | 131 | .305 | 104 | .500 | 104 | .500 | 28.7 | 5.5 | 4.81 | 4.40 |
| Shane Bieber | Col | sp | 25 | .671 | 556 | .313 | 402 | .422 | 407 | .427 | 96.6 | 3.7 | 3.36 | 3.10 |
| Buddy Boshers* | Phi | mr | 32 | .833 | 99 | .374 | 98 | .521 | 101 | .537 | 28.4 | 6.2 | 5.51 | 5.30 |
| Archie Bradley | Was | cl | 27 | .776 | 181 | .359 | 135 | .462 | 139 | .476 | 39.6 | 5.4 | 4.96 | 5.14 |
| Ryan Brasier | StL | mr | 32 | .710 | 187 | .316 | 134 | .441 | 135 | .444 | 34.9 | 4.4 | 3.96 | 3.69 |
| Steven Brault* | Mil | sp | 28 | .668 | 383 | .256 | 233 | .420 | 235 | .423 | 50.3 | 3.3 | 2.99 | 3.23 |
| John Brebbia | StL | mr | 30 | .516 | 193 | .249 | 105 | .324 | 106 | .327 | 20.7 | 2.2 | 1.98 | 1.57 |
| Austin Brice | SF | mr | 28 | .655 | 128 | .211 | 84 | .408 | 90 | .437 | 20.1 | 3.5 | 3.25 | 3.06 |
| Jeff Brigham | SF | mr | 28 | .845 | 94 | .340 | 75 | .528 | 75 | .528 | 20.0 | 5.4 | 5.01 | 6.28 |
| Aaron Brooks | Atl | sp | 30 | .796 | 359 | .295 | 255 | .495 | 261 | .507 | 70.3 | 5.2 | 4.82 | 4.65 |
| Clay Buchholz | NYM | sp | 35 | .839 | 333 | .282 | 264 | .552 | 265 | .554 | 67.0 | 5.2 | 4.75 | 4.40 |
| Walker Buehler | Was | sp | 25 | .675 | 586 | .324 | 382 | .413 | 389 | .421 | 97.6 | 3.9 | 3.53 | 3.00 |
| Aaron Bummer* | ChC | mr | 26 | .474 | 151 | .212 | 75 | .294 | 78 | .306 | 10.4 | 1.3 | 1.18 | 1.47 |
| Ryan Burr | Atl | mr | 26 | .631 | 25 | .160 | 15 | .441 | 15 | .441 | 3.2 | 3.4 | 2.98 | 2.26 |
| Ty Buttrey | NYM | mr | 27 | .613 | 188 | .261 | 125 | .382 | 130 | .398 | 28.2 | 3.1 | 2.87 | 2.66 |
| Carlos Carrasco | StL | sp | 33 | .810 | 240 | .363 | 205 | .515 | 206 | .518 | 56.0 | 5.3 | 4.83 | 4.34 |
| Diego Castillo | Cin | mr | 26 | .747 | 163 | .331 | 135 | .464 | 139 | .478 | 33.4 | 4.3 | 3.88 | 4.27 |
| Luis Castillo | Phi | sp | 27 | .648 | 504 | .254 | 353 | .416 | 358 | .422 | 77.3 | 3.3 | 2.95 | 2.85 |
| Dylan Cease | SD | sp | 24 | .968 | 160 | .350 | 170 | .614 | 173 | .625 | 50.5 | 7.4 | 6.67 | 7.77 |
| Luis Cessa | Was | mr | 28 | .800 | 213 | .272 | 170 | .514 | 174 | .526 | 41.2 | 4.6 | 4.23 | 4.75 |
| Aroldis Chapman* | NYM | cl | 32 | .475 | 41 | .244 | 33 | .324 | 34 | .333 | 5.7 | 2.1 | 1.86 | 2.01 |
| Jesse Chavez | Ari | mr | 36 | .662 | 102 | .284 | 55 | .390 | 57 | .404 | 14.9 | 4.0 | 3.70 | 3.16 |
| Wei-Yin Chen* | SD | mr | 34 | .918 | 59 | .390 | 48 | .539 | 51 | .573 | 16.8 | 7.8 | 6.71 | 6.24 |
| Emmanuel Clase | StL | mr | 22 | .661 | 51 | .235 | 29 | .414 | 30 | .429 | 7.1 | 3.8 | 3.41 | 2.97 |
| Mike Clevinger | Phi | sp | 29 | .605 | 359 | .320 | 239 | .365 | 247 | .378 | 55.9 | 3.1 | 2.82 | 2.53 |
| Gerrit Cole | Col | sp | 29 | .545 | 437 | .304 | 303 | .338 | 312 | .348 | 63.0 | 2.5 | 2.24 | 1.97 |
| Taylor Cole | Cin | mr | 30 | .835 | 30 | .467 | 21 | .457 | 22 | .478 | 7.1 | 6.8 | 6.14 | 7.40 |
| Adam Conley* | Phi | mr | 30 | .897 | 212 | .349 | 191 | .574 | 192 | .577 | 57.4 | 7.0 | 6.39 | 6.03 |
| Sam Coonrod | SF | mr | 27 | .619 | 126 | .246 | 70 | .365 | 76 | .396 | 16.6 | 3.4 | 3.03 | 3.60 |
| Patrick Corbin* | Atl | sp | 30 | .618 | 515 | .282 | 358 | .392 | 362 | .396 | 82.0 | 3.3 | 2.98 | 2.59 |
| Jimmy Cordero | Atl | mr | 28 | .392 | 23 | .087 | 10 | .256 | 11 | .282 | 1.2 | 1.0 | 0.88 | 1.12 |
| Nestor Cortes* | ChC | mr | 25 | .842 | 49 | .347 | 46 | .529 | 47 | .540 | 13.8 | 6.7 | 6.01 | 6.43 |
| Stefan Crichton | Mil | mr | 28 | .660 | 95 | .295 | 58 | .406 | 59 | .413 | 14.6 | 3.8 | 3.45 | 3.24 |
| Zach Davies | Pit | sp | 27 | .697 | 632 | .293 | 358 | .420 | 363 | .426 | 92.6 | 4.1 | 3.78 | 3.75 |
| Grant Dayton* | Atl | mr | 32 | .447 | 14 | .143 | 7 | .304 | 7 | .304 | 1.1 | 1.5 | 1.39 | 1.18 |
| Jacob deGrom | LAD | sp | 32 | .632 | 603 | .282 | 397 | .395 | 402 | .400 | 93.2 | 3.4 | 3.10 | 2.88 |
| Ross Detwiler* | NYM | sp | 34 | .897 | 470 | .294 | 380 | .565 | 389 | .579 | 113.3 | 6.7 | 6.17 | 6.44 |
| Jairo Diaz | LAD | mr | 29 | .497 | 119 | .218 | 60 | .321 | 60 | .321 | 9.3 | 1.6 | 1.49 | 1.45 |
| Seranthony Dominguez | Phi | mr | 25 | .752 | 91 | .363 | 63 | .438 | 66 | .458 | 19.8 | 5.7 | 5.18 | 4.46 |
| Zach Eflin | Mia | sp | 26 | .750 | 574 | .280 | 393 | .468 | 403 | .480 | 102.1 | 4.6 | 4.16 | 4.12 |
| Jerad Eickhoff | Phi | sp | 29 | .996 | 129 | .240 | 148 | .695 | 148 | .695 | 42.5 | 7.8 | 7.17 | 6.99 |
| Roenis Elias* | Mia | cl | 31 | .629 | 196 | .245 | 125 | .398 | 127 | .404 | 28.5 | 3.4 | 3.08 | 2.99 |
| Robbie Erlin* | SD | mr | 29 | .800 | 184 | .353 | 127 | .474 | 131 | .489 | 39.0 | 5.8 | 5.27 | 5.04 |
| Jeurys Familia | Was | mr | 30 | .711 | 152 | .322 | 116 | .436 | 121 | .455 | 28.3 | 4.3 | 3.98 | 4.69 |
| Jacob Faria | LAD | mr | 26 | 1.115 | 73 | .411 | 88 | .677 | 90 | .692 | 34.1 | 12.8 | 11.53 | 11.99 |
| Luke Farrell | Mil | mr | 29 | .925 | 41 | .195 | 39 | .639 | 39 | .639 | 10.6 | 6.6 | 5.71 | 4.47 |
| Caleb Ferguson* | Was | mr | 23 | .676 | 76 | .263 | 49 | .402 | 53 | .434 | 12.2 | 3.7 | 3.44 | 3.78 |
| Junior Fernandez | Atl | mr | 23 | .950 | 11 | .455 | 9 | .474 | 11 | .579 | 3.5 | 7.9 | 6.56 | 8.42 |
| Mike Fiers | SD | sp | 35 | .763 | 612 | .279 | 417 | .472 | 425 | .481 | 114.3 | 5.0 | 4.57 | 4.65 |
| Mike Foltynewicz | Ari | sp | 28 | .860 | 411 | .304 | 337 | .550 | 343 | .560 | 96.9 | 6.1 | 5.55 | 5.15 |
| Wilmer Font | Mil | mr | 30 | .719 | 149 | .221 | 123 | .488 | 124 | .492 | 26.3 | 3.7 | 3.34 | 3.15 |
| Carson Fulmer | SD | mr | 26 | .779 | 18 | .222 | 20 | .556 | 20 | .556 | 4.2 | 4.1 | 3.81 | 3.51 |
| Zac Gallen | Ari | sp | 24 | .808 | 240 | .367 | 235 | .515 | 239 | .524 | 69.8 | 6.3 | 5.81 | 5.42 |
| John Gant | ChC | mr | 27 | .916 | 154 | .351 | 143 | .570 | 145 | .578 | 38.6 | 6.3 | 5.72 | 7.28 |
| Edgar Garcia | Phi | mr | 23 | .692 | 141 | .270 | 106 | .447 | 107 | .451 | 24.0 | 3.8 | 3.53 | 3.68 |
| Amir Garrett* | Phi | mr | 28 | .863 | 161 | .335 | 171 | .555 | 172 | .558 | 50.8 | 7.1 | 6.53 | 7.19 |
| Kevin Gausman | SD | sp | 29 | .839 | 284 | .384 | 223 | .508 | 225 | .513 | 71.1 | 6.7 | 6.10 | 5.85 |
| Sam Gaviglio | Col | mr | 30 | .874 | 248 | .294 | 231 | .576 | 232 | .579 | 66.5 | 6.4 | 5.86 | 5.47 |
| Domingo German | Mil | sp | 27 | .686 | 443 | .257 | 295 | .436 | 299 | .442 | 74.0 | 4.1 | 3.66 | 3.28 |
| Kevin Ginkel | Mil | mr | 26 | .679 | 68 | .324 | 49 | .412 | 51 | .429 | 12.2 | 4.0 | 3.70 | 3.80 |
| Lucas Giolito | SD | sp | 25 | .691 | 453 | .320 | 342 | .429 | 351 | .440 | 83.5 | 3.9 | 3.49 | 3.41 |
| Mychal Givens | SD | mr | 30 | .907 | 176 | .347 | 184 | .590 | 185 | .593 | 55.9 | 7.3 | 6.53 | 6.22 |
| Tony Gonsolin | Mil | sp | 26 | .553 | 125 | .216 | 69 | .358 | 71 | .368 | 13.7 | 2.5 | 2.28 | 1.78 |
| Marco Gonzales* | Was | sp | 28 | .781 | 700 | .333 | 447 | .473 | 451 | .477 | 126.5 | 5.1 | 4.69 | 4.28 |
| Chi Chi Gonzalez | SF | sp | 28 | .819 | 243 | .255 | 202 | .543 | 203 | .546 | 52.7 | 5.5 | 5.02 | 4.93 |
| Trevor Gott | ChC | mr | 27 | .576 | 147 | .279 | 87 | .355 | 89 | .363 | 19.7 | 3.0 | 2.69 | 2.49 |
| Matt Grace* | Mia | mr | 31 | .803 | 48 | .333 | 34 | .486 | 35 | .500 | 8.4 | 4.5 | 4.10 | 4.69 |
| Sonny Gray | Ari | sp | 30 | .576 | 486 | .259 | 315 | .363 | 325 | .374 | 68.1 | 2.8 | 2.55 | 2.23 |
| Shane Greene | Was | cl | 31 | .754 | 190 | .289 | 149 | .476 | 153 | .489 | 39.2 | 4.7 | 4.35 | 4.21 |
| Zack Greinke | ChC | sp | 36 | .714 | 690 | .336 | 407 | .419 | 419 | .432 | 106.4 | 4.1 | 3.66 | 3.56 |
| Taylor Guilbeau* | Pit | mr | 27 | .613 | 94 | .234 | 47 | .379 | 48 | .387 | 10.8 | 3.2 | 2.85 | 2.68 |
| Jandel Gustave | StL | mr | 27 | .718 | 41 | .293 | 25 | .431 | 25 | .431 | 7.0 | 5.0 | 4.50 | 4.18 |
| Josh Hader* | SD | cl | 26 | .493 | 148 | .236 | 109 | .325 | 113 | .337 | 18.1 | 1.8 | 1.59 | 1.21 |
| JD Hammer | SF | mr | 25 | .765 | 35 | .171 | 33 | .532 | 33 | .532 | 8.0 | 5.6 | 4.89 | 5.39 |
| J.A. Happ* | ChC | sp | 37 | .861 | 492 | .311 | 414 | .542 | 422 | .552 | 118.0 | 6.1 | 5.56 | 5.93 |
| Blaine Hardy* | Ari | mr | 33 | .727 | 141 | .191 | 105 | .491 | 106 | .495 | 25.4 | 4.3 | 3.93 | 3.49 |
| Ryne Harper | Cin | mr | 31 | .701 | 200 | .315 | 121 | .422 | 124 | .432 | 31.3 | 4.0 | 3.63 | 3.27 |
| Hunter Harvey | NYM | mr | 25 | .800 | 15 | .133 | 21 | .553 | 22 | .579 | 4.9 | 4.9 | 4.38 | 4.40 |
| Andrew Heaney* | StL | sp | 29 | .766 | 287 | .352 | 224 | .462 | 229 | .472 | 65.7 | 5.3 | 4.84 | 4.85 |
| Ben Heller | LAD | mr | 28 | 1.081 | 28 | .357 | 34 | .723 | 34 | .723 | 11.6 | 10.4 | 9.40 | 8.97 |
| Ryan Helsley | Pit | mr | 25 | .814 | 155 | .342 | 114 | .511 | 114 | .511 | 33.9 | 6.0 | 5.38 | 4.44 |
| Kyle Hendricks | Was | sp | 30 | .781 | 632 | .318 | 441 | .478 | 452 | .490 | 126.4 | 5.3 | 4.88 | 4.63 |
| Darwinzon Hernandez* | Atl | mr | 23 | .990 | 25 | .520 | 35 | .625 | 35 | .625 | 12.6 | 10.9 | 9.84 | 10.03 |
| Elieser Hernandez | Phi | sp | 25 | .918 | 155 | .303 | 150 | .600 | 153 | .612 | 46.6 | 7.5 | 6.86 | 6.27 |
| Kelvin Herrera | Ari | mr | 30 | .821 | 266 | .380 | 196 | .491 | 198 | .496 | 62.7 | 6.7 | 6.19 | 6.09 |
| Trevor Hildenberger | NYM | mr | 29 | .947 | 88 | .409 | 66 | .528 | 70 | .560 | 25.0 | 9.0 | 8.20 | 8.27 |
| Trevor Hildenberger |   | mr | 29 | .947 | 88 | .409 | 66 | .528 | 70 | .560 | 25.0 | 9.0 | 8.20 | 8.27 |
| Tim Hill* | LAD | mr | 30 | .637 | 146 | .212 | 90 | .388 | 97 | .418 | 20.3 | 3.2 | 2.87 | 2.94 |
| Yoshihisa Hirano | ChC | mr | 36 | .797 | 165 | .376 | 139 | .479 | 144 | .497 | 41.5 | 5.9 | 5.31 | 5.85 |
| Derek Holland* | Phi | mr | 33 | .909 | 356 | .281 | 346 | .593 | 351 | .602 | 105.2 | 7.4 | 6.67 | 6.65 |
| Adrian Houser | LAD | sp | 27 | .757 | 284 | .331 | 217 | .469 | 223 | .482 | 59.5 | 5.0 | 4.56 | 4.17 |
| Daniel Hudson | SF | mr | 33 | .576 | 222 | .216 | 126 | .362 | 132 | .379 | 27.3 | 2.8 | 2.59 | 2.30 |
| Jared Hughes | Ari | mr | 34 | .746 | 241 | .257 | 155 | .463 | 160 | .478 | 38.1 | 4.3 | 3.94 | 4.66 |
| Raisel Iglesias | Was | cl | 30 | .757 | 145 | .338 | 118 | .480 | 119 | .484 | 32.6 | 5.0 | 4.56 | 3.87 |
| Edwin Jackson | Phi | sp | 36 | 1.268 | 222 | .383 | 285 | .828 | 286 | .831 | 109.9 | 14.5 | 13.42 | 13.47 |
| Jay Jackson | Pit | mr | 32 | .669 | 86 | .291 | 79 | .436 | 81 | .448 | 18.7 | 3.9 | 3.53 | 3.08 |
| Luke Jackson | Pit | cl | 28 | .658 | 129 | .411 | 90 | .381 | 93 | .394 | 24.2 | 3.9 | 3.57 | 3.46 |
| Josh James | SD | mr | 27 | .739 | 97 | .320 | 114 | .479 | 117 | .492 | 28.7 | 4.6 | 4.15 | 3.96 |
| Jeremy Jeffress | Mil | mr | 32 | .739 | 15 | .333 | 9 | .450 | 9 | .450 | 2.6 | 5.5 | 5.81 | 5.20 |
| Joe Jimenez | StL | mr | 25 | .836 | 173 | .318 | 189 | .558 | 190 | .560 | 52.8 | 6.1 | 5.63 | 5.12 |
| Brian Johnson* | Was | mr | 29 | .955 | 13 | .385 | 12 | .545 | 13 | .591 | 4.6 | 10.3 | 9.24 | 11.08 |
| James Karinchak | SD | mr | 24 | .971 | 13 | .462 | 12 | .545 | 13 | .591 | 4.2 | 9.5 | 8.56 | 10.13 |
| Joe Kelly | ChC | mr | 32 | .727 | 177 | .362 | 125 | .430 | 129 | .443 | 31.3 | 4.1 | 3.68 | 4.41 |
| Merrill Kelly | Was | sp | 31 | .785 | 425 | .313 | 293 | .491 | 293 | .491 | 79.0 | 5.0 | 4.54 | 4.51 |
| Ian Kennedy | Cin | cl | 35 | .436 | 61 | .230 | 23 | .250 | 24 | .261 | 3.5 | 1.3 | 1.13 | 1.27 |
| Clayton Kershaw* | Mil | sp | 32 | .633 | 547 | .302 | 330 | .391 | 331 | .393 | 72.0 | 3.0 | 2.75 | 2.57 |
| Dallas Keuchel* | ChC | sp | 32 | .790 | 424 | .307 | 293 | .484 | 299 | .494 | 79.5 | 5.1 | 4.62 | 4.75 |
| Yusei Kikuchi* | Cin | sp | 29 | .877 | 110 | .355 | 84 | .549 | 84 | .549 | 24.5 | 6.2 | 5.62 | 5.83 |
| Craig Kimbrel | NYM | cl | 32 | .880 | 76 | .237 | 81 | .570 | 86 | .606 | 23.8 | 6.8 | 6.21 | 5.66 |
| Michael King | ChC | mr | 25 | .989 | 36 | .417 | 34 | .607 | 34 | .607 | 12.6 | 10.3 | 9.25 | 10.24 |
| Nick Kingham | SD | mr | 28 | .947 | 75 | .307 | 68 | .607 | 69 | .616 | 21.3 | 7.8 | 6.89 | 6.67 |
| Andrew Kittredge | Cin | mr | 30 | .683 | 100 | .320 | 64 | .398 | 67 | .416 | 17.6 | 4.2 | 3.86 | 3.64 |
| Branden Kline | Cin | mr | 28 | .836 | 62 | .290 | 51 | .526 | 51 | .526 | 14.6 | 6.3 | 5.46 | 5.94 |
| Corey Kluber | Mia | sp | 34 | .703 | 143 | .329 | 90 | .427 | 91 | .431 | 24.2 | 4.5 | 4.05 | 3.59 |
| Eric Lauer* | Pit | sp | 25 | .673 | 491 | .281 | 273 | .407 | 277 | .413 | 70.2 | 3.9 | 3.60 | 3.25 |
| Derek Law | Cin | mr | 29 | .785 | 108 | .296 | 89 | .509 | 90 | .514 | 24.5 | 5.6 | 5.13 | 4.80 |
| Jose Leclerc | Pit | mr | 26 | .794 | 165 | .327 | 181 | .517 | 185 | .529 | 49.1 | 5.8 | 5.12 | 4.84 |
| Dominic Leone | Cin | mr | 28 | .916 | 58 | .328 | 63 | .589 | 63 | .589 | 18.9 | 7.2 | 6.47 | 5.92 |
| Jon Lester* | Mia | sp | 36 | .782 | 589 | .338 | 401 | .468 | 409 | .478 | 114.5 | 5.2 | 4.72 | 4.59 |
| Francisco Liriano* | Col | mr | 36 | .698 | 162 | .272 | 121 | .442 | 124 | .453 | 29.0 | 4.0 | 3.67 | 3.86 |
| Pablo Lopez | LAD | sp | 24 | .782 | 462 | .303 | 328 | .485 | 336 | .497 | 87.4 | 4.9 | 4.44 | 4.39 |
| Joey Lucchesi* | Col | sp | 27 | .757 | 529 | .321 | 372 | .468 | 377 | .474 | 101.5 | 4.9 | 4.45 | 4.22 |
| Seth Lugo | Cin | mr | 30 | .440 | 51 | .235 | 22 | .262 | 23 | .274 | 3.3 | 1.3 | 1.16 | 1.12 |
| Seth Lugo | NYM | mr | 30 | .595 | 113 | .248 | 90 | .390 | 93 | .403 | 18.1 | 2.7 | 2.49 | 2.10 |
| Seth Lugo |   | mr | 30 | .553 | 164 | .244 | 112 | .356 | 116 | .368 | 21.1 | 2.3 | 2.08 | 1.75 |
| Jesus Luzardo* | NYM | cl | 22 | .510 | 44 | .182 | 20 | .308 | 22 | .338 | 4.1 | 2.2 | 1.95 | 1.56 |
| Jordan Lyles | Cin | sp | 29 | .865 | 366 | .317 | 333 | .550 | 339 | .559 | 94.5 | 6.2 | 5.59 | 5.64 |
| Kenta Maeda | Ari | sp | 32 | .673 | 437 | .243 | 316 | .437 | 322 | .445 | 74.9 | 3.8 | 3.53 | 3.05 |
| Sean Manaea* | Phi | sp | 28 | .496 | 99 | .192 | 49 | .325 | 49 | .325 | 7.7 | 1.7 | 1.51 | 1.41 |
| Evan Marshall | LAD | mr | 30 | .842 | 73 | .288 | 58 | .532 | 59 | .541 | 17.3 | 6.6 | 5.93 | 5.64 |
| Brett Martin* | Atl | mr | 25 | .736 | 268 | .325 | 176 | .441 | 180 | .451 | 47.5 | 4.6 | 4.12 | 4.47 |
| Corbin Martin | LAD | sp | 24 | 1.113 | 69 | .333 | 89 | .730 | 89 | .730 | 31.0 | 12.0 | 10.61 | 11.23 |
| Trevor May | ChC | mr | 30 | .744 | 122 | .246 | 105 | .486 | 106 | .491 | 27.0 | 4.7 | 4.23 | 3.96 |
| Mike Mayers | Atl | mr | 28 | 1.250 | 12 | .500 | 13 | .813 | 13 | .813 | 4.1 | 10.0 | 8.97 | 10.46 |
| Kevin McCarthy | Mia | mr | 28 | .602 | 214 | .271 | 98 | .358 | 99 | .361 | 21.7 | 2.9 | 2.57 | 2.43 |
| Collin McHugh | ChC | mr | 33 | .859 | 279 | .319 | 262 | .560 | 265 | .566 | 77.1 | 6.7 | 5.97 | 5.19 |
| John Means* | Phi | sp | 27 | .706 | 526 | .257 | 342 | .445 | 351 | .456 | 83.4 | 4.0 | 3.65 | 3.45 |
| Keynan Middleton | Atl | mr | 26 | .773 | 37 | .351 | 32 | .478 | 33 | .493 | 8.8 | 6.1 | 5.65 | 6.32 |
| Miles Mikolas | Atl | sp | 31 | .716 | 613 | .279 | 373 | .438 | 384 | .451 | 93.5 | 4.1 | 3.68 | 3.52 |
| Andrew Miller* | Mil | mr | 35 | .914 | 92 | .293 | 91 | .538 | 100 | .592 | 29.0 | 7.2 | 6.40 | 7.41 |
| Shelby Miller | NYM | mr | 29 | .714 | 140 | .286 | 78 | .417 | 82 | .439 | 21.2 | 4.4 | 4.02 | 4.50 |
| Tom Milone* | Atl | mr | 33 | .790 | 145 | .248 | 121 | .526 | 122 | .530 | 31.3 | 5.0 | 4.49 | 3.96 |
| Juan Minaya | NYM | mr | 29 | .818 | 77 | .286 | 68 | .519 | 72 | .550 | 19.2 | 5.8 | 5.37 | 4.85 |
| Frankie Montas | ChC | sp | 27 | .609 | 331 | .290 | 199 | .370 | 206 | .383 | 43.3 | 2.9 | 2.64 | 2.58 |
| Rafael Montero | Mia | mr | 29 | .648 | 89 | .247 | 56 | .406 | 58 | .420 | 13.0 | 3.4 | 3.23 | 3.21 |
| Charlie Morton | Mil | sp | 36 | .692 | 543 | .326 | 395 | .425 | 405 | .436 | 98.3 | 3.9 | 3.55 | 3.39 |
| Jake Newberry | Mia | mr | 25 | .705 | 62 | .129 | 51 | .500 | 52 | .510 | 10.0 | 3.4 | 3.16 | 3.02 |
| Juan Nicasio | Phi | mr | 33 | .675 | 206 | .306 | 137 | .413 | 141 | .425 | 35.1 | 4.0 | 3.67 | 3.53 |
| Scott Oberg | Col | mr | 30 | .547 | 75 | .267 | 45 | .331 | 47 | .346 | 9.5 | 2.5 | 2.22 | 2.29 |
| Tyler Olson* | StL | mr | 30 | .852 | 97 | .412 | 66 | .478 | 69 | .500 | 22.9 | 7.4 | 6.47 | 6.46 |
| Josh Osich* | StL | mr | 31 | .641 | 140 | .214 | 86 | .413 | 88 | .423 | 18.5 | 3.1 | 2.81 | 2.49 |
| Adam Ottavino | Ari | mr | 34 | .729 | 200 | .310 | 192 | .475 | 193 | .478 | 48.5 | 5.0 | 4.41 | 4.78 |
| Emilio Pagan | StL | cl | 29 | .515 | 151 | .245 | 84 | .326 | 85 | .329 | 15.4 | 2.0 | 1.81 | 1.53 |
| James Paxton* | StL | sp | 31 | .767 | 439 | .358 | 358 | .478 | 363 | .485 | 99.9 | 5.2 | 4.73 | 4.38 |
| James Pazos* | Cin | mr | 29 | .510 | 54 | .204 | 22 | .319 | 22 | .319 | 3.4 | 1.7 | 1.53 | 1.87 |
| Felix Pena | SF | mr | 30 | .779 | 116 | .293 | 105 | .505 | 107 | .514 | 28.5 | 5.2 | 4.84 | 4.54 |
| Martin Perez* | SD | sp | 29 | .780 | 562 | .304 | 382 | .476 | 389 | .484 | 112.5 | 5.6 | 5.15 | 4.91 |
| Evan Phillips | Ari | mr | 25 | 1.093 | 26 | .500 | 31 | .608 | 33 | .647 | 13.1 | 14.1 | 12.73 | 13.09 |
| Nick Pivetta | Atl | mr | 27 | .973 | 243 | .337 | 232 | .617 | 237 | .630 | 75.5 | 8.4 | 7.49 | 7.24 |
| Zach Plesac | Cin | sp | 25 | .829 | 450 | .271 | 330 | .531 | 334 | .538 | 92.0 | 5.8 | 5.28 | 4.63 |
| Colin Poche* | Col | mr | 26 | .901 | 40 | .325 | 50 | .575 | 52 | .598 | 14.2 | 6.4 | 5.83 | 5.77 |
| Rick Porcello | LAD | sp | 31 | .869 | 616 | .304 | 496 | .551 | 506 | .562 | 148.7 | 6.6 | 6.01 | 5.58 |
| Ryan Pressly | Mil | mr | 31 | .654 | 189 | .312 | 133 | .408 | 136 | .417 | 32.6 | 3.7 | 3.34 | 3.00 |
| Jose Quintana* | Mia | sp | 31 | .729 | 525 | .309 | 337 | .446 | 341 | .452 | 89.6 | 4.5 | 4.13 | 3.90 |
| Tanner Rainey | StL | mr | 27 | .528 | 116 | .250 | 82 | .339 | 87 | .360 | 15.1 | 2.3 | 2.06 | 2.15 |
| Nick Ramirez* | Cin | mr | 30 | .724 | 182 | .258 | 144 | .477 | 145 | .480 | 35.0 | 4.4 | 4.13 | 3.83 |
| Noe Ramirez | Mia | mr | 30 | .693 | 216 | .264 | 165 | .434 | 172 | .453 | 40.5 | 4.0 | 3.58 | 3.34 |
| Edubray Ramos | LAD | mr | 27 | 1.527 | 26 | .462 | 37 | .949 | 37 | .949 | 17.9 | 28.5 | 25.66 | 29.00 |
| Robbie Ray* | StL | sp | 28 | .758 | 401 | .349 | 367 | .475 | 375 | .485 | 98.8 | 5.0 | 4.55 | 4.58 |
| Cody Reed* | Pit | mr | 27 | .487 | 26 | .308 | 11 | .275 | 11 | .275 | 2.4 | 2.1 | 2.14 | 1.95 |
| Gerardo Reyes | LAD | mr | 27 | .705 | 31 | .387 | 22 | .431 | 22 | .431 | 5.8 | 4.3 | 4.11 | 3.34 |
| Clayton Richard* | Ari | sp | 36 | .918 | 146 | .370 | 99 | .518 | 106 | .555 | 35.0 | 7.8 | 7.15 | 7.35 |
| Garrett Richards | Phi | sp | 32 | .998 | 59 | .322 | 61 | .649 | 61 | .649 | 18.3 | 8.0 | 7.82 | 7.41 |
| Fernando Rodney | Mia | mr | 43 | .842 | 28 | .464 | 29 | .518 | 29 | .518 | 8.7 | 7.4 | 6.43 | 6.99 |
| Carlos Rodon* | SF | sp | 27 | .829 | 87 | .356 | 82 | .522 | 84 | .535 | 24.7 | 6.5 | 5.88 | 5.57 |
| Dereck Rodriguez | StL | sp | 28 | .795 | 341 | .238 | 275 | .532 | 276 | .534 | 69.3 | 5.0 | 4.54 | 4.40 |
| Eduardo Rodriguez* | Col | sp | 27 | .692 | 501 | .301 | 337 | .426 | 344 | .434 | 85.0 | 4.0 | 3.66 | 3.68 |
| Jefry Rodriguez | Mil | sp | 26 | .788 | 108 | .370 | 66 | .458 | 67 | .465 | 19.6 | 5.3 | 4.95 | 4.94 |
| Jose Rodriguez | Was | mr | 24 | .496 | 16 | .250 | 6 | .286 | 6 | .286 | 0.6 | 1.0 | 1.05 | 2.31 |
| Taylor Rogers* | Mia | cl | 29 | .438 | 175 | .240 | 76 | .265 | 78 | .272 | 12.2 | 1.4 | 1.30 | 1.14 |
| Tyler Rogers | Cin | mr | 29 | .605 | 57 | .316 | 29 | .358 | 29 | .358 | 6.3 | 2.7 | 2.54 | 2.54 |
| Sergio Romo | Col | cl | 37 | .706 | 190 | .242 | 127 | .455 | 129 | .462 | 29.4 | 3.8 | 3.47 | 3.27 |
| Hector Rondon | Atl | mr | 32 | .711 | 252 | .254 | 165 | .460 | 165 | .460 | 38.4 | 3.9 | 3.56 | 3.38 |
| Jose Ruiz | Was | mr | 25 | .804 | 53 | .358 | 38 | .481 | 38 | .481 | 11.6 | 6.7 | 6.14 | 6.57 |
| Hyun-Jin Ryu* | Ari | sp | 33 | .603 | 657 | .280 | 329 | .361 | 333 | .366 | 72.8 | 2.8 | 2.53 | 2.26 |
| CC Sabathia* | SF | sp | 39 | .880 | 386 | .303 | 340 | .560 | 346 | .570 | 98.2 | 6.3 | 5.71 | 5.36 |
| Casey Sadler | SF | mr | 29 | .810 | 151 | .305 | 98 | .492 | 100 | .503 | 26.4 | 5.0 | 4.54 | 5.01 |
| Connor Sadzeck | SF | mr | 28 | .654 | 57 | .263 | 42 | .404 | 45 | .433 | 10.1 | 3.7 | 3.27 | 3.53 |
| Chris Sale* | Atl | sp | 31 | .584 | 372 | .290 | 263 | .369 | 269 | .378 | 55.2 | 2.7 | 2.45 | 2.13 |
| Jeff Samardzija | Pit | sp | 35 | .673 | 645 | .237 | 387 | .430 | 391 | .434 | 90.9 | 3.6 | 3.34 | 3.10 |
| Adrian Sampson | Mia | mr | 28 | .797 | 304 | .309 | 222 | .489 | 233 | .513 | 63.8 | 5.5 | 4.92 | 4.33 |
| Aaron Sanchez | NYM | sp | 27 | .853 | 445 | .333 | 359 | .516 | 375 | .539 | 109.7 | 6.5 | 5.87 | 6.11 |
| Anibal Sanchez | ChC | sp | 36 | .672 | 667 | .262 | 390 | .418 | 395 | .423 | 97.7 | 3.9 | 3.53 | 3.04 |
| Patrick Sandoval* | Pit | sp | 23 | .728 | 73 | .288 | 63 | .477 | 63 | .477 | 14.5 | 4.1 | 3.72 | 4.25 |
| Tanner Scott* | ChC | mr | 25 | 1.133 | 1 | .000 | 5 | .833 | 5 | .833 | 1.4 | 9.6 | 8.63 | 8.71 |
| Antonio Senzatela | Pit | sp | 25 | .857 | 377 | .324 | 258 | .524 | 261 | .530 | 78.9 | 6.5 | 5.94 | 5.87 |
| Luis Severino | NYM | sp | 26 | .539 | 44 | .273 | 22 | .333 | 22 | .333 | 5.1 | 2.9 | 2.62 | 2.07 |
| Paul Sewald | Pit | mr | 30 | .792 | 61 | .311 | 42 | .488 | 43 | .500 | 12.7 | 6.0 | 5.71 | 4.97 |
| Justus Sheffield* | Phi | sp | 24 | .794 | 110 | .355 | 82 | .482 | 82 | .482 | 23.7 | 5.5 | 4.97 | 5.27 |
| Tyler Skaggs* | Cin | sp | 28 | .702 | 245 | .331 | 158 | .425 | 160 | .430 | 40.9 | 4.2 | 3.81 | 3.69 |
| Eric Skoglund* | Phi | sp | 27 | 1.105 | 18 | .278 | 19 | .731 | 19 | .731 | 6.3 | 10.6 | 9.52 | 9.71 |
| Devin Smeltzer* | Pit | sp | 24 | .927 | 37 | .297 | 28 | .571 | 29 | .592 | 8.7 | 6.9 | 6.25 | 5.69 |
| Caleb Smith* | Mil | sp | 28 | .810 | 400 | .290 | 368 | .531 | 370 | .534 | 100.4 | 5.6 | 5.05 | 4.77 |
| Joe Smith | LAD | mr | 36 | .600 | 106 | .255 | 57 | .363 | 59 | .376 | 11.8 | 2.7 | 2.48 | 2.45 |
| Blake Snell* | LAD | sp | 27 | .815 | 350 | .403 | 326 | .506 | 328 | .509 | 98.5 | 6.3 | 5.65 | 5.77 |
| Chad Sobotka | NYM | mr | 26 | .794 | 89 | .281 | 92 | .508 | 95 | .525 | 22.8 | 5.0 | 4.74 | 6.03 |
| Joakim Soria | StL | mr | 36 | .685 | 230 | .322 | 167 | .425 | 170 | .433 | 42.8 | 4.2 | 3.88 | 3.70 |
| Gregory Soto* | StL | mr | 25 | 1.056 | 23 | .435 | 21 | .636 | 21 | .636 | 8.5 | 13.5 | 12.17 | 12.51 |
| Glenn Sparkman | NYM | sp | 28 | .871 | 496 | .274 | 360 | .551 | 366 | .560 | 107.9 | 6.5 | 5.92 | 5.77 |
| Ryne Stanek | Pit | mr | 28 | .811 | 126 | .349 | 108 | .500 | 109 | .505 | 30.8 | 5.9 | 5.41 | 6.01 |
| Drew Steckenrider | NYM | mr | 29 | .965 | 75 | .173 | 87 | .654 | 89 | .669 | 25.0 | 7.3 | 6.69 | 6.54 |
| Matt Strahm* | StL | mr | 28 | .814 | 490 | .333 | 372 | .510 | 379 | .519 | 104.8 | 5.5 | 4.95 | 4.61 |
| Dan Straily | NYM | sp | 31 | 1.234 | 82 | .305 | 111 | .816 | 112 | .824 | 41.9 | 14.1 | 13.21 | 13.59 |
| Stephen Strasburg | Cin | sp | 31 | .504 | 555 | .256 | 276 | .298 | 288 | .311 | 55.2 | 2.1 | 1.87 | 1.66 |
| Chris Stratton | StL | mr | 29 | .917 | 88 | .295 | 81 | .587 | 82 | .594 | 24.5 | 7.5 | 6.85 | 7.21 |
| Pedro Strop | Col | mr | 35 | .750 | 77 | .273 | 58 | .475 | 60 | .492 | 15.5 | 5.0 | 4.59 | 4.27 |
| Andrew Suarez* | SF | mr | 27 | .828 | 82 | .293 | 66 | .528 | 67 | .536 | 17.2 | 5.3 | 4.81 | 4.66 |
| Brent Suter* | LAD | mr | 30 | .681 | 79 | .291 | 45 | .425 | 45 | .425 | 10.9 | 3.7 | 3.44 | 3.09 |
| Anthony Swarzak | SD | mr | 34 | .828 | 243 | .337 | 204 | .514 | 206 | .519 | 55.2 | 5.5 | 4.93 | 5.66 |
| Jameson Taillon | Was | sp | 28 | .729 | 141 | .241 | 94 | .482 | 94 | .482 | 23.5 | 4.4 | 4.11 | 3.24 |
| Dillon Tate | Pit | mr | 26 | .766 | 98 | .276 | 66 | .437 | 73 | .483 | 19.1 | 5.0 | 4.42 | 4.83 |
| Josh Taylor* | Atl | mr | 27 | .674 | 154 | .318 | 115 | .409 | 120 | .427 | 28.9 | 3.9 | 3.53 | 3.45 |
| Trent Thornton | SF | sp | 26 | .675 | 492 | .276 | 330 | .423 | 335 | .429 | 81.5 | 3.9 | 3.60 | 3.34 |
| Jesus Tinoco | SF | mr | 25 | .755 | 60 | .167 | 50 | .505 | 52 | .525 | 12.0 | 4.4 | 4.28 | 3.95 |
| Blake Treinen | ChC | cl | 32 | .776 | 111 | .324 | 85 | .480 | 86 | .486 | 24.8 | 5.8 | 5.30 | 5.51 |
| Lou Trivino | Atl | mr | 28 | .700 | 178 | .320 | 130 | .442 | 130 | .442 | 33.6 | 4.4 | 3.96 | 3.87 |
| Framber Valdez* | Mia | mr | 26 | .725 | 131 | .336 | 100 | .446 | 101 | .451 | 26.1 | 4.6 | 4.26 | 4.52 |
| Jason Vargas* | Pit | sp | 37 | .697 | 542 | .255 | 343 | .435 | 353 | .447 | 87.4 | 4.2 | 3.92 | 3.66 |
| Felipe Vazquez* | Mil | cl | 28 | .643 | 131 | .298 | 94 | .392 | 100 | .417 | 20.8 | 3.1 | 2.80 | 2.66 |
| Drew VerHagen | Phi | mr | 29 | .880 | 175 | .354 | 138 | .541 | 142 | .557 | 40.9 | 6.4 | 5.71 | 5.74 |
| Adam Wainwright | Col | sp | 38 | .858 | 546 | .350 | 420 | .528 | 425 | .535 | 127.3 | 6.5 | 5.76 | 5.73 |
| Marcus Walden | Mia | mr | 31 | .533 | 248 | .226 | 132 | .333 | 137 | .346 | 26.2 | 2.3 | 2.13 | 1.91 |
| Jeremy Walker | LAD | mr | 25 | .780 | 30 | .433 | 19 | .442 | 19 | .442 | 6.3 | 6.6 | 6.16 | 6.60 |
| Adam Warren | NYM | mr | 32 | .782 | 91 | .187 | 80 | .526 | 83 | .546 | 19.7 | 4.8 | 4.47 | 4.34 |
| Jacob Webb | Was | mr | 26 | .782 | 130 | .254 | 108 | .505 | 110 | .514 | 27.2 | 4.9 | 4.43 | 4.67 |
| J.B. Wendelken | Was | mr | 27 | .609 | 31 | .323 | 19 | .373 | 19 | .373 | 4.9 | 3.8 | 3.21 | 2.77 |
| Zack Wheeler | SF | sp | 30 | .707 | 582 | .328 | 385 | .426 | 393 | .435 | 105.6 | 4.6 | 4.23 | 4.16 |
| Rowan Wick | NYM | mr | 27 | .600 | 145 | .234 | 81 | .367 | 86 | .389 | 19.0 | 3.3 | 3.06 | 3.01 |
| Brad Wieck* | SF | mr | 28 | .856 | 147 | .279 | 137 | .555 | 140 | .567 | 37.8 | 5.9 | 5.37 | 5.35 |
| Trevor Williams | LAD | sp | 28 | .970 | 526 | .331 | 455 | .614 | 461 | .622 | 148.7 | 8.3 | 7.55 | 6.83 |
| Justin Wilson* | Mil | mr | 32 | .598 | 126 | .310 | 69 | .338 | 73 | .358 | 15.7 | 2.8 | 2.55 | 2.79 |
| Asher Wojciechowski | Ari | sp | 31 | .803 | 315 | .267 | 260 | .504 | 275 | .533 | 73.5 | 5.5 | 5.03 | 4.59 |
| Hunter Wood | NYM | mr | 26 | .653 | 116 | .250 | 63 | .399 | 64 | .405 | 14.7 | 3.3 | 3.05 | 2.91 |
| Brandon Woodruff | Cin | sp | 27 | .678 | 439 | .326 | 288 | .411 | 291 | .416 | 71.7 | 3.8 | 3.45 | 3.52 |
| Brandon Workman | Col | mr | 31 | .393 | 149 | .201 | 86 | .266 | 87 | .269 | 13.1 | 1.4 | 1.25 | 1.17 |
| Jordan Yamamoto | Pit | sp | 24 | .742 | 257 | .257 | 208 | .473 | 216 | .491 | 53.2 | 4.7 | 4.20 | 4.17 |
| Gabriel Ynoa | NYM | mr | 27 | .789 | 304 | .276 | 202 | .501 | 202 | .501 | 53.7 | 5.0 | 4.60 | 4.71 |
| Alex Young* | Atl | sp | 26 | .733 | 270 | .219 | 203 | .471 | 212 | .492 | 48.9 | 4.2 | 3.78 | 3.79 |
| Start |
| Name | Team | P | Age | GS | CG | CG% | SHO | QS | QS% | RS | RS/G | RL | RLS | RL% | PCH/G | STR% |
| Fernando Abad* | Pit | mr | 34 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 6 | 4 | .667 | 20.0 | .659 |
| Jason Adam | NYM | mr | 28 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 2 | 2 | 1.000 | 11.3 | .533 |
| Chance Adams | Mia | mr | 25 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 0 | 0 | .000 | 3.0 | .667 |
| Sandy Alcantara | SD | sp | 24 | 33 | 0 | .000 | 0 | 12 | .364 | 147 | 4.5 | 13 | 6 | .462 | 89.1 | .636 |
| Victor Alcantara | LAD | mr | 27 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 15 | 3 | .200 | 24.6 | .602 |
| Scott Alexander* | LAD | mr | 30 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 15 | 7 | .467 | 23.8 | .601 |
| Tyler Alexander* | LAD | sp | 25 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 11 | 6 | .545 | 38.5 | .694 |
| Cody Allen | Phi | mr | 31 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 5 | 1 | .200 | 25.3 | .546 |
| Logan Allen* | SD | mr | 23 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 6 | 5 | .833 | 21.4 | .549 |
| Yency Almonte | Mia | mr | 26 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 7 | 5 | .714 | 22.1 | .664 |
| Jose Alvarado* | Pit | mr | 25 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 12 | 2 | .167 | 25.4 | .545 |
| Jose Alvarez* | Mil | mr | 31 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 7 | 2 | .286 | 15.0 | .663 |
| Adbert Alzolay | ChC | sp | 25 | 1 | 0 | .000 | 0 | 0 | .000 | 2 | 2.0 | 1 | 0 | .000 | 53.0 | .528 |
| Nick Anderson | SD | mr | 29 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 9 | 1 | .111 | 18.0 | .657 |
| Shaun Anderson | SF | sp | 25 | 12 | 0 | .000 | 0 | 4 | .333 | 44 | 3.7 | 8 | 2 | .250 | 84.7 | .616 |
| Matt Andriese | SF | mr | 30 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 6 | 2 | .333 | 25.4 | .647 |
| Victor Arano | Pit | mr | 25 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 0 | 0 | .000 | 57.5 | .617 |
| Chris Archer | Mia | sp | 31 | 26 | 0 | .000 | 0 | 13 | .500 | 108 | 4.2 | 8 | 3 | .375 | 94.5 | .599 |
| Pedro Avila | Mia | sp | 23 | 2 | 0 | .000 | 0 | 1 | .500 | 14 | 7.0 | 2 | 0 | .000 | 77.0 | .591 |
| Michel Baez | Mil | mr | 24 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 7 | 2 | .286 | 17.6 | .617 |
| Pedro Baez | Col | mr | 32 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 18 | 5 | .278 | 20.9 | .614 |
| Homer Bailey | SF | sp | 34 | 33 | 0 | .000 | 0 | 18 | .545 | 116 | 3.5 | 12 | 0 | .000 | 94.5 | .621 |
| Kyle Barraclough | Atl | mr | 30 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 5 | 1 | .200 | 23.6 | .634 |
| Jaime Barria | Atl | sp | 23 | 15 | 0 | .000 | 0 | 5 | .333 | 73 | 4.9 | 10 | 3 | .300 | 62.8 | .616 |
| Tyler Bashlor | Phi | mr | 27 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 11 | 6 | .545 | 23.0 | .586 |
| Anthony Bass | Mil | mr | 32 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 9 | 2 | .222 | 19.0 | .637 |
| Chris Bassitt | Was | sp | 31 | 28 | 0 | .000 | 0 | 10 | .357 | 127 | 4.5 | 25 | 8 | .320 | 101.0 | .627 |
| Cam Bedrosian | Ari | mr | 28 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 10 | 1 | .100 | 25.1 | .584 |
| Tyler Beede | NYM | sp | 27 | 25 | 2 | .080 | 1 | 11 | .440 | 78 | 3.1 | 14 | 4 | .286 | 83.4 | .610 |
| Jose Berrios | Cin | sp | 26 | 33 | 5 | .152 | 2 | 14 | .424 | 232 | 7.0 | 22 | 10 | .455 | 108.5 | .647 |
| Chad Bettis | NYM | mr | 31 | 3 | 1 | .333 | 0 | 1 | .333 | 20 | 6.7 | 3 | 2 | .667 | 56.7 | .669 |
| Joe Biagini | NYM | mr | 30 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 18 | 5 | .278 | 25.3 | .618 |
| Shane Bieber | Col | sp | 25 | 35 | 0 | .000 | 0 | 27 | .771 | 205 | 5.9 | 12 | 5 | .417 | 104.2 | .672 |
| Buddy Boshers* | Phi | mr | 32 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 10 | 1 | .100 | 24.9 | .602 |
| Archie Bradley | Was | cl | 27 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 17 | 5 | .294 | 20.1 | .618 |
| Ryan Brasier | StL | mr | 32 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 15 | 9 | .600 | 24.2 | .631 |
| Steven Brault* | Mil | sp | 28 | 22 | 0 | .000 | 0 | 14 | .636 | 133 | 6.0 | 9 | 0 | .000 | 94.9 | .609 |
| John Brebbia | StL | mr | 30 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 10 | 6 | .600 | 23.6 | .646 |
| Austin Brice | SF | mr | 28 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 5 | 4 | .800 | 22.3 | .637 |
| Jeff Brigham | SF | mr | 28 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 5 | 3 | .600 | 24.5 | .641 |
| Aaron Brooks | Atl | sp | 30 | 7 | 0 | .000 | 0 | 3 | .429 | 32 | 4.6 | 17 | 5 | .294 | 30.9 | .646 |
| Clay Buchholz | NYM | sp | 35 | 20 | 0 | .000 | 0 | 10 | .500 | 92 | 4.6 | 9 | 2 | .222 | 90.8 | .649 |
| Walker Buehler | Was | sp | 25 | 33 | 2 | .061 | 2 | 18 | .545 | 208 | 6.3 | 14 | 4 | .286 | 103.5 | .679 |
| Aaron Bummer* | ChC | mr | 26 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 0 | 0 | .000 | 16.0 | .635 |
| Ryan Burr | Atl | mr | 26 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 2 | 1 | .500 | 18.9 | .591 |
| Ty Buttrey | NYM | mr | 27 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 17 | 6 | .353 | 21.3 | .643 |
| Carlos Carrasco | StL | sp | 33 | 18 | 0 | .000 | 0 | 7 | .389 | 89 | 4.9 | 13 | 1 | .077 | 87.4 | .665 |
| Diego Castillo | Cin | mr | 26 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 20 | 9 | .450 | 24.0 | .622 |
| Luis Castillo | Phi | sp | 27 | 32 | 2 | .063 | 0 | 19 | .594 | 115 | 3.6 | 11 | 2 | .182 | 105.3 | .618 |
| Dylan Cease | SD | sp | 24 | 12 | 0 | .000 | 0 | 3 | .250 | 53 | 4.4 | 6 | 3 | .500 | 81.0 | .615 |
| Luis Cessa | Was | mr | 28 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 15 | 5 | .333 | 28.4 | .616 |
| Aroldis Chapman* | NYM | cl | 32 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 0 | 0 | .000 | 17.0 | .574 |
| Jesse Chavez | Ari | mr | 36 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 3 | 0 | .000 | 27.7 | .669 |
| Wei-Yin Chen* | SD | mr | 34 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 1 | 0 | .000 | 23.4 | .655 |
| Emmanuel Clase | StL | mr | 22 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 2 | 0 | .000 | 17.3 | .615 |
| Mike Clevinger | Phi | sp | 29 | 24 | 3 | .125 | 1 | 17 | .708 | 53 | 2.2 | 2 | 1 | .500 | 106.2 | .657 |
| Gerrit Cole | Col | sp | 29 | 34 | 4 | .118 | 2 | 28 | .824 | 163 | 4.8 | 11 | 1 | .091 | 108.6 | .671 |
| Taylor Cole | Cin | mr | 30 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 1 | 1 | 1.000 | 25.7 | .583 |
| Adam Conley* | Phi | mr | 30 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 22 | 5 | .227 | 21.0 | .613 |
| Sam Coonrod | SF | mr | 27 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 10 | 5 | .500 | 22.5 | .564 |
| Patrick Corbin* | Atl | sp | 30 | 36 | 0 | .000 | 0 | 26 | .722 | 195 | 5.4 | 13 | 3 | .231 | 98.7 | .633 |
| Jimmy Cordero | Atl | mr | 28 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 3 | 0 | .000 | 16.3 | .601 |
| Nestor Cortes* | ChC | mr | 25 | 2 | 0 | .000 | 0 | 0 | .000 | 15 | 7.5 | 8 | 1 | .125 | 38.3 | .582 |
| Stefan Crichton | Mil | mr | 28 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 6 | 3 | .500 | 18.6 | .653 |
| Zach Davies | Pit | sp | 27 | 31 | 1 | .032 | 1 | 16 | .516 | 109 | 3.5 | 25 | 5 | .200 | 100.7 | .624 |
| Grant Dayton* | Atl | mr | 32 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 1 | 0 | .000 | 21.5 | .686 |
| Jacob deGrom | LAD | sp | 32 | 34 | 7 | .206 | 3 | 20 | .588 | 139 | 4.1 | 23 | 10 | .435 | 111.2 | .654 |
| Ross Detwiler* | NYM | sp | 34 | 29 | 0 | .000 | 0 | 14 | .483 | 91 | 3.1 | 21 | 6 | .286 | 81.7 | .631 |
| Jairo Diaz | LAD | mr | 29 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 6 | 2 | .333 | 23.6 | .619 |
| Seranthony Dominguez | Phi | mr | 25 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 13 | 9 | .692 | 18.4 | .603 |
| Zach Eflin | Mia | sp | 26 | 31 | 1 | .032 | 1 | 20 | .645 | 135 | 4.4 | 12 | 2 | .167 | 95.3 | .641 |
| Jerad Eickhoff | Phi | sp | 29 | 10 | 0 | .000 | 0 | 2 | .200 | 32 | 3.2 | 4 | 0 | .000 | 72.0 | .636 |
| Roenis Elias* | Mia | cl | 31 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 11 | 3 | .273 | 22.0 | .616 |
| Robbie Erlin* | SD | mr | 29 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 14 | 2 | .143 | 26.3 | .647 |
| Jeurys Familia | Was | mr | 30 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 17 | 2 | .118 | 25.3 | .559 |
| Jacob Faria | LAD | mr | 26 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 2 | 0 | .000 | 48.6 | .562 |
| Luke Farrell | Mil | mr | 29 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 0 | 0 | .000 | 21.1 | .630 |
| Caleb Ferguson* | Was | mr | 23 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 10 | 4 | .400 | 14.8 | .624 |
| Junior Fernandez | Atl | mr | 23 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 0 | 0 | .000 | 14.4 | .681 |
| Mike Fiers | SD | sp | 35 | 34 | 0 | .000 | 0 | 16 | .471 | 151 | 4.4 | 19 | 2 | .105 | 94.7 | .635 |
| Mike Foltynewicz | Ari | sp | 28 | 24 | 0 | .000 | 0 | 10 | .417 | 111 | 4.6 | 9 | 4 | .444 | 92.2 | .634 |
| Wilmer Font | Mil | mr | 30 | 7 | 0 | .000 | 0 | 2 | .286 | 37 | 5.3 | 10 | 3 | .300 | 34.6 | .639 |
| Carson Fulmer | SD | mr | 26 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 0 | 0 | .000 | 17.0 | .595 |
| Zac Gallen | Ari | sp | 24 | 18 | 0 | .000 | 0 | 4 | .222 | 75 | 4.2 | 10 | 3 | .300 | 104.9 | .610 |
| John Gant | ChC | mr | 27 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 28 | 13 | .464 | 21.3 | .542 |
| Edgar Garcia | Phi | mr | 23 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 9 | 2 | .222 | 20.6 | .606 |
| Amir Garrett* | Phi | mr | 28 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 18 | 5 | .278 | 25.5 | .562 |
| Kevin Gausman | SD | sp | 29 | 20 | 0 | .000 | 0 | 6 | .300 | 74 | 3.7 | 19 | 7 | .368 | 82.2 | .638 |
| Sam Gaviglio | Col | mr | 30 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 14 | 6 | .429 | 31.2 | .661 |
| Domingo German | Mil | sp | 27 | 26 | 0 | .000 | 0 | 14 | .538 | 138 | 5.3 | 9 | 0 | .000 | 87.9 | .654 |
| Kevin Ginkel | Mil | mr | 26 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 13 | 4 | .308 | 19.0 | .620 |
| Lucas Giolito | SD | sp | 25 | 31 | 0 | .000 | 0 | 22 | .710 | 113 | 3.6 | 19 | 6 | .316 | 102.5 | .640 |
| Mychal Givens | SD | mr | 30 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 18 | 9 | .500 | 22.2 | .612 |
| Tony Gonsolin | Mil | sp | 26 | 6 | 0 | .000 | 0 | 4 | .667 | 34 | 5.7 | 4 | 1 | .250 | 53.0 | .615 |
| Marco Gonzales* | Was | sp | 28 | 34 | 2 | .059 | 0 | 20 | .588 | 203 | 6.0 | 13 | 5 | .385 | 97.9 | .653 |
| Chi Chi Gonzalez | SF | sp | 28 | 15 | 0 | .000 | 0 | 4 | .267 | 56 | 3.7 | 9 | 3 | .333 | 93.9 | .579 |
| Trevor Gott | ChC | mr | 27 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 8 | 4 | .500 | 20.4 | .627 |
| Matt Grace* | Mia | mr | 31 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 3 | 0 | .000 | 20.2 | .674 |
| Sonny Gray | Ari | sp | 30 | 33 | 1 | .030 | 1 | 23 | .697 | 179 | 5.4 | 23 | 5 | .217 | 105.1 | .612 |
| Shane Greene | Was | cl | 31 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 1 | 0 | .000 | 17.1 | .645 |
| Zack Greinke | ChC | sp | 36 | 34 | 6 | .176 | 3 | 20 | .588 | 147 | 4.3 | 23 | 10 | .435 | 97.7 | .681 |
| Taylor Guilbeau* | Pit | mr | 27 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 3 | 1 | .333 | 21.8 | .659 |
| Jandel Gustave | StL | mr | 27 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 3 | 0 | .000 | 20.7 | .561 |
| Josh Hader* | SD | cl | 26 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 8 | 1 | .125 | 20.0 | .701 |
| JD Hammer | SF | mr | 25 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 1 | 0 | .000 | 25.4 | .505 |
| J.A. Happ* | ChC | sp | 37 | 33 | 1 | .030 | 1 | 14 | .424 | 153 | 4.6 | 22 | 7 | .318 | 86.6 | .626 |
| Blaine Hardy* | Ari | mr | 33 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 6 | 2 | .333 | 22.4 | .643 |
| Ryne Harper | Cin | mr | 31 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 9 | 4 | .444 | 23.3 | .661 |
| Hunter Harvey | NYM | mr | 25 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 0 | 0 | .000 | 24.8 | .537 |
| Andrew Heaney* | StL | sp | 29 | 21 | 0 | .000 | 0 | 7 | .333 | 80 | 3.8 | 17 | 9 | .529 | 92.3 | .643 |
| Ben Heller | LAD | mr | 28 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 2 | 0 | .000 | 39.0 | .605 |
| Ryan Helsley | Pit | mr | 25 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 6 | 3 | .500 | 29.4 | .656 |
| Kyle Hendricks | Was | sp | 30 | 34 | 2 | .059 | 1 | 14 | .412 | 194 | 5.7 | 14 | 7 | .500 | 97.9 | .652 |
| Darwinzon Hernandez* | Atl | mr | 23 | 2 | 0 | .000 | 0 | 0 | .000 | 16 | 8.0 | 7 | 3 | .429 | 47.2 | .585 |
| Elieser Hernandez | Phi | sp | 25 | 10 | 0 | .000 | 0 | 2 | .200 | 33 | 3.3 | 4 | 3 | .750 | 74.3 | .643 |
| Kelvin Herrera | Ari | mr | 30 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 22 | 6 | .273 | 28.7 | .611 |
| Trevor Hildenberger | NYM | mr | 29 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 9 | 4 | .444 | 26.8 | .631 |
| Trevor Hildenberger |   | mr | 29 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 9 | 4 | .444 | 26.8 | .631 |
| Tim Hill* | LAD | mr | 30 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 8 | 3 | .375 | 22.6 | .613 |
| Yoshihisa Hirano | ChC | mr | 36 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 14 | 2 | .143 | 24.5 | .615 |
| Derek Holland* | Phi | mr | 33 | 24 | 0 | .000 | 0 | 6 | .250 | 70 | 2.9 | 14 | 1 | .071 | 86.8 | .607 |
| Adrian Houser | LAD | sp | 27 | 16 | 0 | .000 | 0 | 9 | .563 | 68 | 4.3 | 9 | 1 | .111 | 89.3 | .627 |
| Daniel Hudson | SF | mr | 33 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 14 | 2 | .143 | 20.9 | .620 |
| Jared Hughes | Ari | mr | 34 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 10 | 2 | .200 | 25.3 | .589 |
| Raisel Iglesias | Was | cl | 30 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 5 | 4 | .800 | 16.0 | .658 |
| Edwin Jackson | Phi | sp | 36 | 15 | 0 | .000 | 0 | 0 | .000 | 50 | 3.3 | 7 | 3 | .429 | 87.7 | .600 |
| Jay Jackson | Pit | mr | 32 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 6 | 3 | .500 | 28.5 | .596 |
| Luke Jackson | Pit | cl | 28 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 3 | 3 | 1.000 | 24.2 | .644 |
| Josh James | SD | mr | 27 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 11 | 4 | .364 | 21.6 | .623 |
| Jeremy Jeffress | Mil | mr | 32 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 1 | 0 | .000 | 15.0 | .667 |
| Joe Jimenez | StL | mr | 25 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 20 | 5 | .250 | 24.9 | .635 |
| Brian Johnson* | Was | mr | 29 | 1 | 0 | .000 | 0 | 0 | .000 | 1 | 1.0 | 3 | 0 | .000 | 53.0 | .642 |
| James Karinchak | SD | mr | 24 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 2 | 0 | .000 | 29.3 | .568 |
| Joe Kelly | ChC | mr | 32 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 23 | 6 | .261 | 25.1 | .613 |
| Merrill Kelly | Was | sp | 31 | 24 | 1 | .042 | 1 | 13 | .542 | 141 | 5.9 | 14 | 4 | .286 | 93.9 | .628 |
| Ian Kennedy | Cin | cl | 35 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 4 | 1 | .250 | 20.1 | .693 |
| Clayton Kershaw* | Mil | sp | 32 | 31 | 3 | .097 | 2 | 25 | .806 | 167 | 5.4 | 11 | 3 | .273 | 102.4 | .672 |
| Dallas Keuchel* | ChC | sp | 32 | 22 | 3 | .136 | 1 | 10 | .455 | 92 | 4.2 | 14 | 1 | .071 | 99.9 | .625 |
| Yusei Kikuchi* | Cin | sp | 29 | 6 | 1 | .167 | 0 | 2 | .333 | 32 | 5.3 | 3 | 3 | 1.000 | 96.0 | .639 |
| Craig Kimbrel | NYM | cl | 32 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 1 | 0 | .000 | 25.3 | .601 |
| Michael King | ChC | mr | 25 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 1 | 0 | .000 | 36.0 | .611 |
| Nick Kingham | SD | mr | 28 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 5 | 3 | .600 | 25.2 | .613 |
| Andrew Kittredge | Cin | mr | 30 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 13 | 1 | .077 | 19.8 | .659 |
| Branden Kline | Cin | mr | 28 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 4 | 0 | .000 | 27.4 | .587 |
| Corey Kluber | Mia | sp | 34 | 8 | 0 | .000 | 0 | 3 | .375 | 41 | 5.1 | 6 | 5 | .833 | 103.8 | .611 |
| Eric Lauer* | Pit | sp | 25 | 25 | 0 | .000 | 0 | 14 | .560 | 130 | 5.2 | 23 | 12 | .522 | 95.8 | .641 |
| Derek Law | Cin | mr | 29 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 13 | 3 | .231 | 24.3 | .595 |
| Jose Leclerc | Pit | mr | 26 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 6 | 0 | .000 | 25.7 | .577 |
| Dominic Leone | Cin | mr | 28 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 7 | 2 | .286 | 31.4 | .595 |
| Jon Lester* | Mia | sp | 36 | 33 | 1 | .030 | 1 | 18 | .545 | 136 | 4.1 | 11 | 2 | .182 | 98.2 | .651 |
| Francisco Liriano* | Col | mr | 36 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 16 | 6 | .375 | 22.2 | .590 |
| Pablo Lopez | LAD | sp | 24 | 24 | 1 | .042 | 0 | 11 | .458 | 93 | 3.9 | 21 | 7 | .333 | 99.7 | .648 |
| Joey Lucchesi* | Col | sp | 27 | 32 | 0 | .000 | 0 | 18 | .563 | 195 | 6.1 | 16 | 6 | .375 | 95.3 | .643 |
| Seth Lugo | Cin | mr | 30 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 0 | 0 | .000 | 16.9 | .711 |
| Seth Lugo | NYM | mr | 30 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 4 | 0 | .000 | 25.3 | .651 |
| Seth Lugo |   | mr | 30 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 4 | 0 | .000 | 22.5 | .666 |
| Jesus Luzardo* | NYM | cl | 22 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 0 | 0 | .000 | 23.2 | .698 |
| Jordan Lyles | Cin | sp | 29 | 26 | 1 | .038 | 1 | 11 | .423 | 164 | 6.3 | 20 | 7 | .350 | 91.8 | .608 |
| Kenta Maeda | Ari | sp | 32 | 29 | 0 | .000 | 0 | 15 | .517 | 138 | 4.8 | 9 | 5 | .556 | 98.0 | .629 |
| Sean Manaea* | Phi | sp | 28 | 6 | 1 | .167 | 1 | 5 | .833 | 21 | 3.5 | 0 | 0 | .000 | 95.8 | .670 |
| Evan Marshall | LAD | mr | 30 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 10 | 0 | .000 | 21.3 | .591 |
| Brett Martin* | Atl | mr | 25 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 27 | 6 | .222 | 22.6 | .638 |
| Corbin Martin | LAD | sp | 24 | 5 | 0 | .000 | 0 | 0 | .000 | 18 | 3.6 | 1 | 0 | .000 | 93.6 | .573 |
| Trevor May | ChC | mr | 30 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 5 | 2 | .400 | 21.1 | .611 |
| Mike Mayers | Atl | mr | 28 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 0 | 0 | .000 | 12.8 | .656 |
| Kevin McCarthy | Mia | mr | 28 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 9 | 2 | .222 | 18.6 | .651 |
| Collin McHugh | ChC | mr | 33 | 18 | 0 | .000 | 0 | 7 | .389 | 67 | 3.7 | 16 | 1 | .063 | 101.0 | .615 |
| John Means* | Phi | sp | 27 | 28 | 0 | .000 | 0 | 18 | .643 | 109 | 3.9 | 15 | 6 | .400 | 101.8 | .649 |
| Keynan Middleton | Atl | mr | 26 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 11 | 7 | .636 | 18.7 | .516 |
| Miles Mikolas | Atl | sp | 31 | 32 | 3 | .094 | 1 | 22 | .688 | 189 | 5.9 | 17 | 5 | .294 | 91.3 | .662 |
| Andrew Miller* | Mil | mr | 35 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 13 | 3 | .231 | 19.9 | .586 |
| Shelby Miller | NYM | mr | 29 | 8 | 0 | .000 | 0 | 5 | .625 | 33 | 4.1 | 4 | 2 | .500 | 92.4 | .579 |
| Tom Milone* | Atl | mr | 33 | 10 | 0 | .000 | 0 | 6 | .600 | 51 | 5.1 | 1 | 0 | .000 | 89.0 | .675 |
| Juan Minaya | NYM | mr | 29 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 11 | 6 | .545 | 25.3 | .577 |
| Frankie Montas | ChC | sp | 27 | 19 | 0 | .000 | 0 | 15 | .789 | 105 | 5.5 | 10 | 2 | .200 | 104.4 | .653 |
| Rafael Montero | Mia | mr | 29 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 10 | 3 | .300 | 21.2 | .652 |
| Charlie Morton | Mil | sp | 36 | 34 | 2 | .059 | 2 | 23 | .676 | 218 | 6.4 | 19 | 6 | .316 | 104.8 | .643 |
| Jake Newberry | Mia | mr | 25 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 2 | 0 | .000 | 15.6 | .603 |
| Juan Nicasio | Phi | mr | 33 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 16 | 2 | .125 | 22.5 | .634 |
| Scott Oberg | Col | mr | 30 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 6 | 1 | .167 | 17.7 | .624 |
| Tyler Olson* | StL | mr | 30 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 8 | 1 | .125 | 16.8 | .614 |
| Josh Osich* | StL | mr | 31 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 14 | 5 | .357 | 15.4 | .661 |
| Adam Ottavino | Ari | mr | 34 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 20 | 7 | .350 | 25.7 | .542 |
| Emilio Pagan | StL | cl | 29 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 4 | 0 | .000 | 15.5 | .677 |
| James Paxton* | StL | sp | 31 | 32 | 0 | .000 | 0 | 16 | .500 | 119 | 3.7 | 27 | 5 | .185 | 90.7 | .627 |
| James Pazos* | Cin | mr | 29 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 4 | 0 | .000 | 18.9 | .565 |
| Felix Pena | SF | mr | 30 | 5 | 0 | .000 | 0 | 1 | .200 | 17 | 3.4 | 4 | 2 | .500 | 48.7 | .643 |
| Martin Perez* | SD | sp | 29 | 32 | 0 | .000 | 0 | 10 | .313 | 129 | 4.0 | 26 | 9 | .346 | 94.9 | .624 |
| Evan Phillips | Ari | mr | 25 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 2 | 0 | .000 | 46.4 | .539 |
| Nick Pivetta | Atl | mr | 27 | 15 | 0 | .000 | 0 | 4 | .267 | 76 | 5.1 | 7 | 1 | .143 | 69.2 | .624 |
| Zach Plesac | Cin | sp | 25 | 24 | 1 | .042 | 0 | 12 | .500 | 135 | 5.6 | 17 | 2 | .118 | 95.0 | .606 |
| Colin Poche* | Col | mr | 26 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 10 | 2 | .200 | 14.6 | .609 |
| Rick Porcello | LAD | sp | 31 | 31 | 3 | .097 | 0 | 9 | .290 | 127 | 4.1 | 16 | 8 | .500 | 106.4 | .652 |
| Ryan Pressly | Mil | mr | 31 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 20 | 1 | .050 | 24.8 | .650 |
| Jose Quintana* | Mia | sp | 31 | 33 | 1 | .030 | 1 | 14 | .424 | 127 | 3.8 | 20 | 3 | .150 | 83.3 | .649 |
| Tanner Rainey | StL | mr | 27 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 7 | 6 | .857 | 21.4 | .576 |
| Nick Ramirez* | Cin | mr | 30 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 9 | 2 | .222 | 27.6 | .600 |
| Noe Ramirez | Mia | mr | 30 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 21 | 4 | .190 | 27.2 | .615 |
| Edubray Ramos | LAD | mr | 27 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 2 | 2 | 1.000 | 36.8 | .558 |
| Robbie Ray* | StL | sp | 28 | 33 | 0 | .000 | 0 | 14 | .424 | 122 | 3.7 | 34 | 13 | .382 | 94.8 | .625 |
| Cody Reed* | Pit | mr | 27 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 0 | 0 | .000 | 78.5 | .669 |
| Gerardo Reyes | LAD | mr | 27 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 1 | 1 | 1.000 | 20.2 | .634 |
| Clayton Richard* | Ari | sp | 36 | 7 | 0 | .000 | 0 | 2 | .286 | 44 | 6.3 | 2 | 0 | .000 | 94.0 | .637 |
| Garrett Richards | Phi | sp | 32 | 4 | 0 | .000 | 0 | 0 | .000 | 18 | 4.5 | 4 | 3 | .750 | 95.3 | .612 |
| Fernando Rodney | Mia | mr | 43 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 5 | 0 | .000 | 24.1 | .523 |
| Carlos Rodon* | SF | sp | 27 | 7 | 0 | .000 | 0 | 0 | .000 | 22 | 3.1 | 3 | 2 | .667 | 95.4 | .599 |
| Dereck Rodriguez | StL | sp | 28 | 23 | 0 | .000 | 0 | 10 | .435 | 84 | 3.7 | 9 | 4 | .444 | 84.0 | .622 |
| Eduardo Rodriguez* | Col | sp | 27 | 31 | 0 | .000 | 0 | 21 | .677 | 158 | 5.1 | 22 | 4 | .182 | 102.5 | .632 |
| Jefry Rodriguez | Mil | sp | 26 | 5 | 0 | .000 | 0 | 2 | .400 | 41 | 8.2 | 4 | 0 | .000 | 62.1 | .624 |
| Jose Rodriguez | Was | mr | 24 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 0 | 0 | .000 | 16.6 | .578 |
| Taylor Rogers* | Mia | cl | 29 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 3 | 0 | .000 | 17.0 | .692 |
| Tyler Rogers | Cin | mr | 29 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 5 | 1 | .200 | 15.8 | .668 |
| Sergio Romo | Col | cl | 37 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 3 | 0 | .000 | 16.7 | .658 |
| Hector Rondon | Atl | mr | 32 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 28 | 5 | .179 | 20.2 | .633 |
| Jose Ruiz | Was | mr | 25 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 2 | 0 | .000 | 21.6 | .591 |
| Hyun-Jin Ryu* | Ari | sp | 33 | 32 | 6 | .188 | 3 | 27 | .844 | 126 | 3.9 | 8 | 5 | .625 | 98.3 | .708 |
| CC Sabathia* | SF | sp | 39 | 24 | 0 | .000 | 0 | 10 | .417 | 100 | 4.2 | 8 | 3 | .375 | 97.9 | .651 |
| Casey Sadler | SF | mr | 29 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 2 | 1 | .500 | 19.4 | .654 |
| Connor Sadzeck | SF | mr | 28 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 6 | 2 | .333 | 19.8 | .610 |
| Chris Sale* | Atl | sp | 31 | 27 | 1 | .037 | 1 | 23 | .852 | 114 | 4.2 | 12 | 4 | .333 | 100.6 | .676 |
| Jeff Samardzija | Pit | sp | 35 | 33 | 5 | .152 | 4 | 17 | .515 | 166 | 5.0 | 14 | 6 | .429 | 97.7 | .648 |
| Adrian Sampson | Mia | mr | 28 | 18 | 0 | .000 | 0 | 9 | .500 | 99 | 5.5 | 14 | 5 | .357 | 96.3 | .644 |
| Aaron Sanchez | NYM | sp | 27 | 29 | 0 | .000 | 0 | 8 | .276 | 112 | 3.9 | 26 | 11 | .423 | 88.2 | .588 |
| Anibal Sanchez | ChC | sp | 36 | 33 | 5 | .152 | 1 | 22 | .667 | 141 | 4.3 | 21 | 10 | .476 | 104.5 | .641 |
| Patrick Sandoval* | Pit | sp | 23 | 6 | 0 | .000 | 0 | 1 | .167 | 15 | 2.5 | 2 | 0 | .000 | 87.8 | .615 |
| Tanner Scott* | ChC | mr | 25 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 3 | 0 | .000 | 7.3 | .500 |
| Antonio Senzatela | Pit | sp | 25 | 18 | 1 | .056 | 0 | 7 | .389 | 61 | 3.4 | 5 | 0 | .000 | 101.9 | .614 |
| Luis Severino | NYM | sp | 26 | 3 | 0 | .000 | 0 | 1 | .333 | 8 | 2.7 | 1 | 0 | .000 | 83.7 | .606 |
| Paul Sewald | Pit | mr | 30 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 3 | 0 | .000 | 27.8 | .637 |
| Justus Sheffield* | Phi | sp | 24 | 7 | 0 | .000 | 0 | 4 | .571 | 15 | 2.1 | 3 | 2 | .667 | 99.6 | .614 |
| Tyler Skaggs* | Cin | sp | 28 | 14 | 0 | .000 | 0 | 7 | .500 | 65 | 4.6 | 7 | 0 | .000 | 103.1 | .636 |
| Eric Skoglund* | Phi | sp | 27 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 0 | 0 | .000 | 13.3 | .559 |
| Devin Smeltzer* | Pit | sp | 24 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 0 | 0 | .000 | 29.7 | .680 |
| Caleb Smith* | Mil | sp | 28 | 31 | 0 | .000 | 0 | 12 | .387 | 200 | 6.5 | 6 | 1 | .167 | 85.5 | .628 |
| Joe Smith | LAD | mr | 36 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 2 | 1 | .500 | 17.8 | .638 |
| Blake Snell* | LAD | sp | 27 | 26 | 1 | .038 | 0 | 10 | .385 | 115 | 4.4 | 21 | 9 | .429 | 100.0 | .622 |
| Chad Sobotka | NYM | mr | 26 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 17 | 5 | .294 | 25.5 | .566 |
| Joakim Soria | StL | mr | 36 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 21 | 6 | .286 | 21.6 | .630 |
| Gregory Soto* | StL | mr | 25 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 6 | 3 | .500 | 17.7 | .556 |
| Glenn Sparkman | NYM | sp | 28 | 26 | 2 | .077 | 0 | 12 | .462 | 98 | 3.8 | 18 | 5 | .278 | 85.5 | .645 |
| Ryne Stanek | Pit | mr | 28 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 5 | 4 | .800 | 27.3 | .585 |
| Drew Steckenrider | NYM | mr | 29 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 5 | 0 | .000 | 21.0 | .609 |
| Matt Strahm* | StL | mr | 28 | 29 | 2 | .069 | 0 | 13 | .448 | 140 | 4.8 | 19 | 10 | .526 | 91.0 | .690 |
| Dan Straily | NYM | sp | 31 | 3 | 0 | .000 | 0 | 0 | .000 | 6 | 2.0 | 6 | 0 | .000 | 36.8 | .581 |
| Stephen Strasburg | Cin | sp | 31 | 33 | 5 | .152 | 0 | 28 | .848 | 152 | 4.6 | 16 | 3 | .188 | 108.1 | .653 |
| Chris Stratton | StL | mr | 29 | 6 | 0 | .000 | 0 | 2 | .333 | 32 | 5.3 | 7 | 4 | .571 | 80.2 | .586 |
| Pedro Strop | Col | mr | 35 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 13 | 7 | .538 | 19.4 | .572 |
| Andrew Suarez* | SF | mr | 27 | 2 | 0 | .000 | 0 | 0 | .000 | 2 | 1.0 | 4 | 2 | .500 | 23.5 | .611 |
| Brent Suter* | LAD | mr | 30 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 0 | 0 | .000 | 26.4 | .691 |
| Anthony Swarzak | SD | mr | 34 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 37 | 5 | .135 | 24.7 | .604 |
| Jameson Taillon | Was | sp | 28 | 8 | 1 | .125 | 0 | 4 | .500 | 31 | 3.9 | 9 | 1 | .111 | 86.0 | .651 |
| Dillon Tate | Pit | mr | 26 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 4 | 0 | .000 | 31.4 | .588 |
| Josh Taylor* | Atl | mr | 27 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 9 | 1 | .111 | 18.3 | .644 |
| Trent Thornton | SF | sp | 26 | 31 | 0 | .000 | 0 | 19 | .613 | 108 | 3.5 | 11 | 4 | .364 | 97.9 | .619 |
| Jesus Tinoco | SF | mr | 25 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 3 | 0 | .000 | 22.3 | .610 |
| Blake Treinen | ChC | cl | 32 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 14 | 7 | .500 | 25.8 | .568 |
| Lou Trivino | Atl | mr | 28 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 19 | 4 | .211 | 23.4 | .600 |
| Framber Valdez* | Mia | mr | 26 | 11 | 0 | .000 | 0 | 3 | .273 | 46 | 4.2 | 12 | 5 | .417 | 82.8 | .599 |
| Jason Vargas* | Pit | sp | 37 | 31 | 1 | .032 | 1 | 15 | .484 | 156 | 5.0 | 13 | 4 | .308 | 96.6 | .613 |
| Felipe Vazquez* | Mil | cl | 28 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 4 | 1 | .250 | 16.7 | .656 |
| Drew VerHagen | Phi | mr | 29 | 2 | 0 | .000 | 0 | 1 | .500 | 1 | 0.5 | 5 | 3 | .600 | 34.1 | .626 |
| Adam Wainwright | Col | sp | 38 | 30 | 0 | .000 | 0 | 11 | .367 | 196 | 6.5 | 10 | 6 | .600 | 99.1 | .637 |
| Marcus Walden | Mia | mr | 31 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 29 | 14 | .483 | 23.0 | .598 |
| Jeremy Walker | LAD | mr | 25 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 0 | 0 | .000 | 15.5 | .594 |
| Adam Warren | NYM | mr | 32 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 4 | 1 | .250 | 28.4 | .606 |
| Jacob Webb | Was | mr | 26 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 15 | 6 | .400 | 18.5 | .595 |
| J.B. Wendelken | Was | mr | 27 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 1 | 1 | 1.000 | 19.0 | .642 |
| Zack Wheeler | SF | sp | 30 | 33 | 1 | .030 | 1 | 16 | .485 | 129 | 3.9 | 23 | 5 | .217 | 104.6 | .637 |
| Rowan Wick | NYM | mr | 27 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 14 | 3 | .214 | 26.3 | .581 |
| Brad Wieck* | SF | mr | 28 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 12 | 3 | .250 | 19.7 | .656 |
| Trevor Williams | LAD | sp | 28 | 26 | 1 | .038 | 0 | 8 | .308 | 110 | 4.2 | 14 | 5 | .357 | 103.1 | .633 |
| Justin Wilson* | Mil | mr | 32 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 15 | 6 | .400 | 18.8 | .628 |
| Asher Wojciechowski | Ari | sp | 31 | 19 | 1 | .053 | 0 | 7 | .368 | 70 | 3.7 | 7 | 3 | .429 | 101.9 | .631 |
| Hunter Wood | NYM | mr | 26 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 3 | 2 | .667 | 20.9 | .645 |
| Brandon Woodruff | Cin | sp | 27 | 26 | 2 | .077 | 1 | 19 | .731 | 145 | 5.6 | 24 | 8 | .333 | 102.5 | .649 |
| Brandon Workman | Col | mr | 31 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 4 | 1 | .250 | 22.4 | .608 |
| Jordan Yamamoto | Pit | sp | 24 | 18 | 0 | .000 | 0 | 8 | .444 | 76 | 4.2 | 9 | 5 | .556 | 97.7 | .594 |
| Gabriel Ynoa | NYM | mr | 27 | 16 | 0 | .000 | 0 | 8 | .500 | 70 | 4.4 | 9 | 4 | .444 | 88.9 | .675 |
| Alex Young* | Atl | sp | 26 | 18 | 0 | .000 | 0 | 9 | .500 | 105 | 5.8 | 7 | 0 | .000 | 88.4 | .622 |
| Relief |
| Name | Team | P | Age | SVO | S | SV% | BS | BS% | HLD | IR | IRS | IR% | G | GR | GF | PCH/G | STR% |
| Fernando Abad* | Pit | mr | 34 | 1 | 1 | 1.000 | 0 | .000 | 7 | 10 | 1 | .100 | 17 | 17 | 3 | 20.0 | .659 |
| Jason Adam | NYM | mr | 28 | 0 | 0 | .000 | 0 | .000 | 1 | 4 | 2 | .500 | 4 | 4 | 1 | 11.3 | .533 |
| Chance Adams | Mia | mr | 25 | 0 | 0 | .000 | 0 | .000 | 0 | 1 | 0 | .000 | 1 | 1 | 1 | 3.0 | .667 |
| Sandy Alcantara | SD | sp | 24 | 0 | 0 | .000 | 0 | .000 | 0 | 3 | 0 | .000 | 35 | 2 | 0 | 89.1 | .636 |
| Victor Alcantara | LAD | mr | 27 | 2 | 1 | .500 | 0 | .000 | 2 | 23 | 13 | .565 | 27 | 27 | 11 | 24.6 | .602 |
| Scott Alexander* | LAD | mr | 30 | 3 | 0 | .000 | 1 | .333 | 5 | 11 | 6 | .545 | 17 | 17 | 4 | 23.8 | .601 |
| Tyler Alexander* | LAD | sp | 25 | 2 | 2 | 1.000 | 0 | .000 | 0 | 23 | 7 | .304 | 28 | 28 | 15 | 38.5 | .694 |
| Cody Allen | Phi | mr | 31 | 1 | 1 | 1.000 | 0 | .000 | 0 | 12 | 6 | .500 | 23 | 23 | 11 | 25.3 | .546 |
| Logan Allen* | SD | mr | 23 | 0 | 0 | .000 | 0 | .000 | 0 | 6 | 6 | 1.000 | 11 | 11 | 5 | 21.4 | .549 |
| Yency Almonte | Mia | mr | 26 | 3 | 1 | .333 | 1 | .333 | 0 | 13 | 5 | .385 | 29 | 29 | 11 | 22.1 | .664 |
| Jose Alvarado* | Pit | mr | 25 | 1 | 1 | 1.000 | 0 | .000 | 6 | 16 | 10 | .625 | 35 | 35 | 17 | 25.4 | .545 |
| Jose Alvarez* | Mil | mr | 31 | 4 | 1 | .250 | 2 | .500 | 6 | 9 | 1 | .111 | 25 | 25 | 9 | 15.0 | .663 |
| Adbert Alzolay | ChC | sp | 25 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 1 | 0 | 0 | 53.0 | .528 |
| Nick Anderson | SD | mr | 29 | 34 | 26 | .765 | 8 | .235 | 1 | 25 | 7 | .280 | 67 | 67 | 49 | 18.0 | .657 |
| Shaun Anderson | SF | sp | 25 | 0 | 0 | .000 | 0 | .000 | 0 | 2 | 0 | .000 | 15 | 3 | 1 | 84.7 | .616 |
| Matt Andriese | SF | mr | 30 | 3 | 1 | .333 | 2 | .667 | 4 | 23 | 12 | .522 | 51 | 51 | 17 | 25.4 | .647 |
| Victor Arano | Pit | mr | 25 | 0 | 0 | .000 | 0 | .000 | 0 | 1 | 0 | .000 | 2 | 2 | 0 | 57.5 | .617 |
| Chris Archer | Mia | sp | 31 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 26 | 0 | 0 | 94.5 | .599 |
| Pedro Avila | Mia | sp | 23 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 2 | 0 | 0 | 77.0 | .591 |
| Michel Baez | Mil | mr | 24 | 4 | 3 | .750 | 1 | .250 | 4 | 9 | 2 | .222 | 29 | 29 | 11 | 17.6 | .617 |
| Pedro Baez | Col | mr | 32 | 13 | 10 | .769 | 3 | .231 | 15 | 10 | 1 | .100 | 49 | 49 | 19 | 20.9 | .614 |
| Homer Bailey | SF | sp | 34 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 33 | 0 | 0 | 94.5 | .621 |
| Kyle Barraclough | Atl | mr | 30 | 2 | 1 | .500 | 1 | .500 | 2 | 9 | 3 | .333 | 17 | 17 | 3 | 23.6 | .634 |
| Jaime Barria | Atl | sp | 23 | 1 | 1 | 1.000 | 0 | .000 | 1 | 3 | 0 | .000 | 24 | 9 | 3 | 62.8 | .616 |
| Tyler Bashlor | Phi | mr | 27 | 2 | 0 | .000 | 2 | 1.000 | 2 | 13 | 4 | .308 | 28 | 28 | 7 | 23.0 | .586 |
| Anthony Bass | Mil | mr | 32 | 6 | 4 | .667 | 1 | .167 | 11 | 19 | 2 | .105 | 43 | 43 | 11 | 19.0 | .637 |
| Chris Bassitt | Was | sp | 31 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 28 | 0 | 0 | 101.0 | .627 |
| Cam Bedrosian | Ari | mr | 28 | 29 | 24 | .828 | 5 | .172 | 1 | 29 | 6 | .207 | 56 | 56 | 45 | 25.1 | .584 |
| Tyler Beede | NYM | sp | 27 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 27 | 2 | 1 | 83.4 | .610 |
| Jose Berrios | Cin | sp | 26 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 33 | 0 | 0 | 108.5 | .647 |
| Chad Bettis | NYM | mr | 31 | 0 | 0 | .000 | 0 | .000 | 0 | 1 | 0 | .000 | 9 | 6 | 3 | 56.7 | .669 |
| Joe Biagini | NYM | mr | 30 | 1 | 1 | 1.000 | 0 | .000 | 1 | 19 | 7 | .368 | 31 | 31 | 7 | 25.3 | .618 |
| Shane Bieber | Col | sp | 25 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 35 | 0 | 0 | 104.2 | .672 |
| Buddy Boshers* | Phi | mr | 32 | 0 | 0 | .000 | 0 | .000 | 2 | 12 | 1 | .083 | 30 | 30 | 11 | 24.9 | .602 |
| Archie Bradley | Was | cl | 27 | 4 | 2 | .500 | 2 | .500 | 3 | 28 | 9 | .321 | 54 | 54 | 17 | 20.1 | .618 |
| Ryan Brasier | StL | mr | 32 | 1 | 0 | .000 | 0 | .000 | 4 | 29 | 7 | .241 | 48 | 48 | 9 | 24.2 | .631 |
| Steven Brault* | Mil | sp | 28 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 22 | 0 | 0 | 94.9 | .609 |
| John Brebbia | StL | mr | 30 | 2 | 1 | .500 | 1 | .500 | 6 | 28 | 11 | .393 | 55 | 55 | 17 | 23.6 | .646 |
| Austin Brice | SF | mr | 28 | 8 | 5 | .625 | 3 | .375 | 1 | 14 | 5 | .357 | 36 | 36 | 16 | 22.3 | .637 |
| Jeff Brigham | SF | mr | 28 | 2 | 0 | .000 | 1 | .500 | 4 | 6 | 0 | .000 | 22 | 22 | 4 | 24.5 | .641 |
| Aaron Brooks | Atl | sp | 30 | 5 | 2 | .400 | 2 | .400 | 7 | 36 | 11 | .306 | 61 | 54 | 14 | 30.9 | .646 |
| Clay Buchholz | NYM | sp | 35 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 20 | 0 | 0 | 90.8 | .649 |
| Walker Buehler | Was | sp | 25 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 33 | 0 | 0 | 103.5 | .679 |
| Aaron Bummer* | ChC | mr | 26 | 47 | 47 | 1.000 | 0 | .000 | 0 | 30 | 4 | .133 | 62 | 62 | 61 | 16.0 | .635 |
| Ryan Burr | Atl | mr | 26 | 1 | 1 | 1.000 | 0 | .000 | 1 | 2 | 0 | .000 | 7 | 7 | 3 | 18.9 | .591 |
| Ty Buttrey | NYM | mr | 27 | 4 | 2 | .500 | 1 | .250 | 12 | 19 | 3 | .158 | 59 | 59 | 21 | 21.3 | .643 |
| Carlos Carrasco | StL | sp | 33 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 18 | 0 | 0 | 87.4 | .665 |
| Diego Castillo | Cin | mr | 26 | 8 | 5 | .625 | 3 | .375 | 10 | 24 | 6 | .250 | 47 | 47 | 18 | 24.0 | .622 |
| Luis Castillo | Phi | sp | 27 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 32 | 0 | 0 | 105.3 | .618 |
| Dylan Cease | SD | sp | 24 | 0 | 0 | .000 | 0 | .000 | 0 | 2 | 1 | .500 | 13 | 1 | 1 | 81.0 | .615 |
| Luis Cessa | Was | mr | 28 | 1 | 0 | .000 | 1 | 1.000 | 2 | 36 | 7 | .194 | 46 | 46 | 8 | 28.4 | .616 |
| Aroldis Chapman* | NYM | cl | 32 | 16 | 15 | .938 | 1 | .063 | 0 | 16 | 3 | .188 | 27 | 27 | 26 | 17.0 | .574 |
| Jesse Chavez | Ari | mr | 36 | 1 | 1 | 1.000 | 0 | .000 | 0 | 5 | 1 | .200 | 18 | 18 | 7 | 27.7 | .669 |
| Wei-Yin Chen* | SD | mr | 34 | 0 | 0 | .000 | 0 | .000 | 0 | 11 | 5 | .455 | 14 | 14 | 11 | 23.4 | .655 |
| Emmanuel Clase | StL | mr | 22 | 1 | 0 | .000 | 1 | 1.000 | 1 | 4 | 2 | .500 | 15 | 15 | 5 | 17.3 | .615 |
| Mike Clevinger | Phi | sp | 29 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 24 | 0 | 0 | 106.2 | .657 |
| Gerrit Cole | Col | sp | 29 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 34 | 0 | 0 | 108.6 | .671 |
| Taylor Cole | Cin | mr | 30 | 0 | 0 | .000 | 0 | .000 | 0 | 3 | 2 | .667 | 7 | 7 | 6 | 25.7 | .583 |
| Adam Conley* | Phi | mr | 30 | 2 | 1 | .500 | 1 | .500 | 8 | 27 | 13 | .481 | 62 | 62 | 31 | 21.0 | .613 |
| Sam Coonrod | SF | mr | 27 | 1 | 0 | .000 | 1 | 1.000 | 4 | 14 | 6 | .429 | 32 | 32 | 13 | 22.5 | .564 |
| Patrick Corbin* | Atl | sp | 30 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 37 | 1 | 1 | 98.7 | .633 |
| Jimmy Cordero | Atl | mr | 28 | 2 | 2 | 1.000 | 0 | .000 | 2 | 11 | 2 | .182 | 10 | 10 | 3 | 16.3 | .601 |
| Nestor Cortes* | ChC | mr | 25 | 0 | 0 | .000 | 0 | .000 | 1 | 4 | 2 | .500 | 8 | 6 | 2 | 38.3 | .582 |
| Stefan Crichton | Mil | mr | 28 | 3 | 2 | .667 | 1 | .333 | 9 | 12 | 2 | .167 | 28 | 28 | 12 | 18.6 | .653 |
| Zach Davies | Pit | sp | 27 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 31 | 0 | 0 | 100.7 | .624 |
| Grant Dayton* | Atl | mr | 32 | 1 | 0 | .000 | 1 | 1.000 | 1 | 0 | 0 | .000 | 4 | 4 | 1 | 21.5 | .686 |
| Jacob deGrom | LAD | sp | 32 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 34 | 0 | 0 | 111.2 | .654 |
| Ross Detwiler* | NYM | sp | 34 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 29 | 0 | 0 | 81.7 | .631 |
| Jairo Diaz | LAD | mr | 29 | 4 | 2 | .500 | 2 | .500 | 6 | 14 | 5 | .357 | 31 | 31 | 19 | 23.6 | .619 |
| Seranthony Dominguez | Phi | mr | 25 | 12 | 11 | .917 | 1 | .083 | 6 | 17 | 5 | .294 | 31 | 31 | 16 | 18.4 | .603 |
| Zach Eflin | Mia | sp | 26 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 31 | 0 | 0 | 95.3 | .641 |
| Jerad Eickhoff | Phi | sp | 29 | 0 | 0 | .000 | 0 | .000 | 0 | 3 | 0 | .000 | 11 | 1 | 0 | 72.0 | .636 |
| Roenis Elias* | Mia | cl | 31 | 4 | 2 | .500 | 2 | .500 | 8 | 23 | 6 | .261 | 55 | 55 | 20 | 22.0 | .616 |
| Robbie Erlin* | SD | mr | 29 | 1 | 0 | .000 | 1 | 1.000 | 1 | 28 | 5 | .179 | 38 | 38 | 10 | 26.3 | .647 |
| Jeurys Familia | Was | mr | 30 | 1 | 1 | 1.000 | 0 | .000 | 1 | 23 | 3 | .130 | 43 | 43 | 12 | 25.3 | .559 |
| Jacob Faria | LAD | mr | 26 | 0 | 0 | .000 | 0 | .000 | 0 | 7 | 6 | .857 | 10 | 10 | 7 | 48.6 | .562 |
| Luke Farrell | Mil | mr | 29 | 3 | 2 | .667 | 1 | .333 | 1 | 3 | 2 | .667 | 10 | 10 | 4 | 21.1 | .630 |
| Caleb Ferguson* | Was | mr | 23 | 7 | 4 | .571 | 1 | .143 | 5 | 10 | 6 | .600 | 31 | 31 | 15 | 14.8 | .624 |
| Junior Fernandez | Atl | mr | 23 | 0 | 0 | .000 | 0 | .000 | 3 | 4 | 1 | .250 | 5 | 5 | 2 | 14.4 | .681 |
| Mike Fiers | SD | sp | 35 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 35 | 1 | 0 | 94.7 | .635 |
| Mike Foltynewicz | Ari | sp | 28 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 24 | 0 | 0 | 92.2 | .634 |
| Wilmer Font | Mil | mr | 30 | 4 | 3 | .750 | 0 | .000 | 3 | 5 | 0 | .000 | 28 | 21 | 11 | 34.6 | .639 |
| Carson Fulmer | SD | mr | 26 | 1 | 1 | 1.000 | 0 | .000 | 1 | 4 | 2 | .500 | 9 | 9 | 7 | 17.0 | .595 |
| Zac Gallen | Ari | sp | 24 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 18 | 0 | 0 | 104.9 | .610 |
| John Gant | ChC | mr | 27 | 6 | 0 | .000 | 4 | .667 | 9 | 29 | 6 | .207 | 46 | 46 | 14 | 21.3 | .542 |
| Edgar Garcia | Phi | mr | 23 | 4 | 1 | .250 | 3 | .750 | 7 | 27 | 8 | .296 | 47 | 47 | 15 | 20.6 | .606 |
| Amir Garrett* | Phi | mr | 28 | 21 | 12 | .571 | 9 | .429 | 4 | 19 | 6 | .316 | 50 | 50 | 25 | 25.5 | .562 |
| Kevin Gausman | SD | sp | 29 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 20 | 0 | 0 | 82.2 | .638 |
| Sam Gaviglio | Col | mr | 30 | 4 | 2 | .500 | 2 | .500 | 4 | 33 | 15 | .455 | 47 | 47 | 18 | 31.2 | .661 |
| Domingo German | Mil | sp | 27 | 1 | 1 | 1.000 | 0 | .000 | 0 | 0 | 0 | .000 | 29 | 3 | 2 | 87.9 | .654 |
| Kevin Ginkel | Mil | mr | 26 | 2 | 1 | .500 | 1 | .500 | 8 | 9 | 2 | .222 | 23 | 23 | 4 | 19.0 | .620 |
| Lucas Giolito | SD | sp | 25 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 31 | 0 | 0 | 102.5 | .640 |
| Mychal Givens | SD | mr | 30 | 13 | 4 | .308 | 8 | .615 | 6 | 19 | 8 | .421 | 58 | 58 | 21 | 22.2 | .612 |
| Tony Gonsolin | Mil | sp | 26 | 2 | 1 | .500 | 0 | .000 | 2 | 6 | 0 | .000 | 14 | 8 | 2 | 53.0 | .615 |
| Marco Gonzales* | Was | sp | 28 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 34 | 0 | 0 | 97.9 | .653 |
| Chi Chi Gonzalez | SF | sp | 28 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 15 | 0 | 0 | 93.9 | .579 |
| Trevor Gott | ChC | mr | 27 | 2 | 2 | 1.000 | 0 | .000 | 11 | 23 | 10 | .435 | 47 | 47 | 14 | 20.4 | .627 |
| Matt Grace* | Mia | mr | 31 | 1 | 0 | .000 | 1 | 1.000 | 0 | 6 | 0 | .000 | 12 | 12 | 7 | 20.2 | .674 |
| Sonny Gray | Ari | sp | 30 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 33 | 0 | 0 | 105.1 | .612 |
| Shane Greene | Was | cl | 31 | 40 | 35 | .875 | 5 | .125 | 1 | 21 | 11 | .524 | 68 | 68 | 58 | 17.1 | .645 |
| Zack Greinke | ChC | sp | 36 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 34 | 0 | 0 | 97.7 | .681 |
| Taylor Guilbeau* | Pit | mr | 27 | 2 | 2 | 1.000 | 0 | .000 | 5 | 11 | 4 | .364 | 21 | 21 | 7 | 21.8 | .659 |
| Jandel Gustave | StL | mr | 27 | 0 | 0 | .000 | 0 | .000 | 2 | 7 | 2 | .286 | 11 | 11 | 4 | 20.7 | .561 |
| Josh Hader* | SD | cl | 26 | 5 | 4 | .800 | 0 | .000 | 25 | 34 | 0 | .000 | 67 | 67 | 21 | 20.0 | .701 |
| JD Hammer | SF | mr | 25 | 0 | 0 | .000 | 0 | .000 | 2 | 2 | 2 | 1.000 | 11 | 11 | 5 | 25.4 | .505 |
| J.A. Happ* | ChC | sp | 37 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 33 | 0 | 0 | 86.6 | .626 |
| Blaine Hardy* | Ari | mr | 33 | 3 | 1 | .333 | 2 | .667 | 6 | 17 | 3 | .176 | 35 | 35 | 19 | 22.4 | .643 |
| Ryne Harper | Cin | mr | 31 | 14 | 6 | .429 | 7 | .500 | 11 | 28 | 5 | .179 | 45 | 45 | 20 | 23.3 | .661 |
| Hunter Harvey | NYM | mr | 25 | 1 | 0 | .000 | 1 | 1.000 | 1 | 2 | 0 | .000 | 6 | 6 | 3 | 24.8 | .537 |
| Andrew Heaney* | StL | sp | 29 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 21 | 0 | 0 | 92.3 | .643 |
| Ben Heller | LAD | mr | 28 | 2 | 0 | .000 | 2 | 1.000 | 1 | 4 | 1 | .250 | 5 | 5 | 3 | 39.0 | .605 |
| Ryan Helsley | Pit | mr | 25 | 1 | 0 | .000 | 0 | .000 | 2 | 11 | 3 | .273 | 27 | 27 | 11 | 29.4 | .656 |
| Kyle Hendricks | Was | sp | 30 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 34 | 0 | 0 | 97.9 | .652 |
| Darwinzon Hernandez* | Atl | mr | 23 | 0 | 0 | .000 | 0 | .000 | 2 | 1 | 0 | .000 | 5 | 3 | 0 | 47.2 | .585 |
| Elieser Hernandez | Phi | sp | 25 | 0 | 0 | .000 | 0 | .000 | 0 | 1 | 0 | .000 | 12 | 2 | 2 | 74.3 | .643 |
| Kelvin Herrera | Ari | mr | 30 | 2 | 1 | .500 | 1 | .500 | 7 | 27 | 14 | .519 | 54 | 54 | 24 | 28.7 | .611 |
| Trevor Hildenberger | NYM | mr | 29 | 0 | 0 | .000 | 0 | .000 | 0 | 10 | 5 | .500 | 17 | 17 | 5 | 26.8 | .631 |
| Trevor Hildenberger |   | mr | 29 | 0 | 0 | .000 | 0 | .000 | 0 | 10 | 5 | .500 | 17 | 17 | 5 | 26.8 | .631 |
| Tim Hill* | LAD | mr | 30 | 9 | 6 | .667 | 2 | .222 | 10 | 22 | 3 | .136 | 40 | 40 | 22 | 22.6 | .613 |
| Yoshihisa Hirano | ChC | mr | 36 | 1 | 0 | .000 | 1 | 1.000 | 1 | 49 | 12 | .245 | 47 | 47 | 17 | 24.5 | .615 |
| Derek Holland* | Phi | mr | 33 | 1 | 0 | .000 | 1 | 1.000 | 0 | 1 | 1 | 1.000 | 26 | 2 | 1 | 86.8 | .607 |
| Adrian Houser | LAD | sp | 27 | 0 | 0 | .000 | 0 | .000 | 1 | 4 | 2 | .500 | 20 | 4 | 3 | 89.3 | .627 |
| Daniel Hudson | SF | mr | 33 | 24 | 18 | .750 | 5 | .208 | 11 | 22 | 3 | .136 | 65 | 65 | 30 | 20.9 | .620 |
| Jared Hughes | Ari | mr | 34 | 8 | 4 | .500 | 4 | .500 | 6 | 30 | 8 | .267 | 49 | 49 | 33 | 25.3 | .589 |
| Raisel Iglesias | Was | cl | 30 | 5 | 2 | .400 | 2 | .400 | 8 | 27 | 10 | .370 | 57 | 57 | 27 | 16.0 | .658 |
| Edwin Jackson | Phi | sp | 36 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 15 | 0 | 0 | 87.7 | .600 |
| Jay Jackson | Pit | mr | 32 | 3 | 0 | .000 | 3 | 1.000 | 3 | 11 | 3 | .273 | 27 | 27 | 8 | 28.5 | .596 |
| Luke Jackson | Pit | cl | 28 | 10 | 10 | 1.000 | 0 | .000 | 0 | 19 | 5 | .263 | 39 | 39 | 31 | 24.2 | .644 |
| Josh James | SD | mr | 27 | 9 | 2 | .222 | 6 | .667 | 8 | 26 | 5 | .192 | 47 | 47 | 17 | 21.6 | .623 |
| Jeremy Jeffress | Mil | mr | 32 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 4 | 4 | 1 | 15.0 | .667 |
| Joe Jimenez | StL | mr | 25 | 2 | 0 | .000 | 2 | 1.000 | 2 | 56 | 19 | .339 | 55 | 55 | 10 | 24.9 | .635 |
| Brian Johnson* | Was | mr | 29 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 2 | 1 | 0 | 53.0 | .642 |
| James Karinchak | SD | mr | 24 | 0 | 0 | .000 | 0 | .000 | 1 | 0 | 0 | .000 | 3 | 3 | 0 | 29.3 | .568 |
| Joe Kelly | ChC | mr | 32 | 2 | 1 | .500 | 1 | .500 | 5 | 44 | 16 | .364 | 47 | 47 | 9 | 25.1 | .613 |
| Merrill Kelly | Was | sp | 31 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 24 | 0 | 0 | 93.9 | .628 |
| Ian Kennedy | Cin | cl | 35 | 5 | 4 | .800 | 1 | .200 | 2 | 14 | 4 | .286 | 17 | 17 | 9 | 20.1 | .693 |
| Clayton Kershaw* | Mil | sp | 32 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 31 | 0 | 0 | 102.4 | .672 |
| Dallas Keuchel* | ChC | sp | 32 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 22 | 0 | 0 | 99.9 | .625 |
| Yusei Kikuchi* | Cin | sp | 29 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 6 | 0 | 0 | 96.0 | .639 |
| Craig Kimbrel | NYM | cl | 32 | 2 | 2 | 1.000 | 0 | .000 | 1 | 13 | 7 | .538 | 23 | 23 | 14 | 25.3 | .601 |
| Michael King | ChC | mr | 25 | 0 | 0 | .000 | 0 | .000 | 1 | 0 | 0 | .000 | 6 | 6 | 2 | 36.0 | .611 |
| Nick Kingham | SD | mr | 28 | 1 | 0 | .000 | 1 | 1.000 | 1 | 12 | 5 | .417 | 16 | 16 | 5 | 25.2 | .613 |
| Andrew Kittredge | Cin | mr | 30 | 9 | 4 | .444 | 5 | .556 | 4 | 27 | 9 | .333 | 30 | 30 | 15 | 19.8 | .659 |
| Branden Kline | Cin | mr | 28 | 1 | 1 | 1.000 | 0 | .000 | 1 | 10 | 5 | .500 | 14 | 14 | 6 | 27.4 | .587 |
| Corey Kluber | Mia | sp | 34 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 8 | 0 | 0 | 103.8 | .611 |
| Eric Lauer* | Pit | sp | 25 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 25 | 0 | 0 | 95.8 | .641 |
| Derek Law | Cin | mr | 29 | 0 | 0 | .000 | 0 | .000 | 5 | 20 | 6 | .300 | 30 | 30 | 12 | 24.3 | .595 |
| Jose Leclerc | Pit | mr | 26 | 17 | 10 | .588 | 7 | .412 | 8 | 32 | 14 | .438 | 57 | 57 | 38 | 25.7 | .577 |
| Dominic Leone | Cin | mr | 28 | 0 | 0 | .000 | 0 | .000 | 3 | 11 | 4 | .364 | 14 | 14 | 2 | 31.4 | .595 |
| Jon Lester* | Mia | sp | 36 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 33 | 0 | 0 | 98.2 | .651 |
| Francisco Liriano* | Col | mr | 36 | 5 | 2 | .400 | 1 | .200 | 8 | 22 | 9 | .409 | 49 | 49 | 18 | 22.2 | .590 |
| Pablo Lopez | LAD | sp | 24 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 24 | 0 | 0 | 99.7 | .648 |
| Joey Lucchesi* | Col | sp | 27 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 32 | 0 | 0 | 95.3 | .643 |
| Seth Lugo | Cin | mr | 30 | 17 | 17 | 1.000 | 0 | .000 | 0 | 11 | 1 | .091 | 19 | 19 | 18 | 16.9 | .711 |
| Seth Lugo | NYM | mr | 30 | 3 | 2 | .667 | 1 | .333 | 5 | 25 | 8 | .320 | 37 | 37 | 18 | 25.3 | .651 |
| Seth Lugo |   | mr | 30 | 20 | 19 | .950 | 1 | .050 | 5 | 36 | 9 | .250 | 56 | 56 | 36 | 22.5 | .666 |
| Jesus Luzardo* | NYM | cl | 22 | 7 | 5 | .714 | 2 | .286 | 0 | 1 | 1 | 1.000 | 10 | 10 | 8 | 23.2 | .698 |
| Jordan Lyles | Cin | sp | 29 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 26 | 0 | 0 | 91.8 | .608 |
| Kenta Maeda | Ari | sp | 32 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 29 | 0 | 0 | 98.0 | .629 |
| Sean Manaea* | Phi | sp | 28 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 6 | 0 | 0 | 95.8 | .670 |
| Evan Marshall | LAD | mr | 30 | 5 | 3 | .600 | 1 | .200 | 3 | 22 | 7 | .318 | 21 | 21 | 13 | 21.3 | .591 |
| Brett Martin* | Atl | mr | 25 | 7 | 6 | .857 | 1 | .143 | 9 | 26 | 4 | .154 | 68 | 68 | 29 | 22.6 | .638 |
| Corbin Martin | LAD | sp | 24 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 5 | 0 | 0 | 93.6 | .573 |
| Trevor May | ChC | mr | 30 | 4 | 3 | .750 | 1 | .250 | 5 | 19 | 11 | .579 | 40 | 40 | 18 | 21.1 | .611 |
| Mike Mayers | Atl | mr | 28 | 0 | 0 | .000 | 0 | .000 | 0 | 2 | 1 | .500 | 5 | 5 | 5 | 12.8 | .656 |
| Kevin McCarthy | Mia | mr | 28 | 7 | 1 | .143 | 5 | .714 | 10 | 25 | 13 | .520 | 50 | 50 | 15 | 18.6 | .651 |
| Collin McHugh | ChC | mr | 33 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 18 | 0 | 0 | 101.0 | .615 |
| John Means* | Phi | sp | 27 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 28 | 0 | 0 | 101.8 | .649 |
| Keynan Middleton | Atl | mr | 26 | 4 | 3 | .750 | 1 | .250 | 3 | 7 | 3 | .429 | 15 | 15 | 5 | 18.7 | .516 |
| Miles Mikolas | Atl | sp | 31 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 32 | 0 | 0 | 91.3 | .662 |
| Andrew Miller* | Mil | mr | 35 | 1 | 0 | .000 | 1 | 1.000 | 6 | 9 | 4 | .444 | 34 | 34 | 14 | 19.9 | .586 |
| Shelby Miller | NYM | mr | 29 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 8 | 0 | 0 | 92.4 | .579 |
| Tom Milone* | Atl | mr | 33 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 10 | 0 | 0 | 89.0 | .675 |
| Juan Minaya | NYM | mr | 29 | 0 | 0 | .000 | 0 | .000 | 0 | 11 | 4 | .364 | 20 | 20 | 7 | 25.3 | .577 |
| Frankie Montas | ChC | sp | 27 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 19 | 0 | 0 | 104.4 | .653 |
| Rafael Montero | Mia | mr | 29 | 4 | 1 | .250 | 3 | .750 | 7 | 7 | 1 | .143 | 24 | 24 | 6 | 21.2 | .652 |
| Charlie Morton | Mil | sp | 36 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 34 | 0 | 0 | 104.8 | .643 |
| Jake Newberry | Mia | mr | 25 | 3 | 2 | .667 | 1 | .333 | 1 | 11 | 2 | .182 | 25 | 25 | 11 | 15.6 | .603 |
| Juan Nicasio | Phi | mr | 33 | 4 | 1 | .250 | 3 | .750 | 11 | 18 | 4 | .222 | 55 | 55 | 22 | 22.5 | .634 |
| Scott Oberg | Col | mr | 30 | 6 | 6 | 1.000 | 0 | .000 | 5 | 12 | 4 | .333 | 31 | 31 | 12 | 17.7 | .624 |
| Tyler Olson* | StL | mr | 30 | 0 | 0 | .000 | 0 | .000 | 5 | 12 | 7 | .583 | 30 | 30 | 10 | 16.8 | .614 |
| Josh Osich* | StL | mr | 31 | 6 | 2 | .333 | 4 | .667 | 11 | 35 | 15 | .429 | 50 | 50 | 13 | 15.4 | .661 |
| Adam Ottavino | Ari | mr | 34 | 19 | 12 | .632 | 7 | .368 | 18 | 29 | 9 | .310 | 66 | 66 | 24 | 25.7 | .542 |
| Emilio Pagan | StL | cl | 29 | 38 | 33 | .868 | 4 | .105 | 1 | 20 | 7 | .350 | 65 | 65 | 58 | 15.5 | .677 |
| James Paxton* | StL | sp | 31 | 0 | 0 | .000 | 0 | .000 | 0 | 2 | 0 | .000 | 33 | 1 | 1 | 90.7 | .627 |
| James Pazos* | Cin | mr | 29 | 2 | 1 | .500 | 0 | .000 | 5 | 7 | 1 | .143 | 13 | 13 | 4 | 18.9 | .565 |
| Felix Pena | SF | mr | 30 | 0 | 0 | .000 | 0 | .000 | 3 | 3 | 2 | .667 | 17 | 12 | 6 | 48.7 | .643 |
| Martin Perez* | SD | sp | 29 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 32 | 0 | 0 | 94.9 | .624 |
| Evan Phillips | Ari | mr | 25 | 0 | 0 | .000 | 0 | .000 | 0 | 4 | 2 | .500 | 5 | 5 | 2 | 46.4 | .539 |
| Nick Pivetta | Atl | mr | 27 | 3 | 1 | .333 | 2 | .667 | 1 | 10 | 5 | .500 | 21 | 6 | 4 | 69.2 | .624 |
| Zach Plesac | Cin | sp | 25 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 24 | 0 | 0 | 95.0 | .606 |
| Colin Poche* | Col | mr | 26 | 6 | 3 | .500 | 1 | .167 | 4 | 16 | 3 | .188 | 24 | 24 | 10 | 14.6 | .609 |
| Rick Porcello | LAD | sp | 31 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 31 | 0 | 0 | 106.4 | .652 |
| Ryan Pressly | Mil | mr | 31 | 5 | 2 | .400 | 2 | .400 | 20 | 21 | 6 | .286 | 52 | 52 | 8 | 24.8 | .650 |
| Jose Quintana* | Mia | sp | 31 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 33 | 0 | 0 | 83.3 | .649 |
| Tanner Rainey | StL | mr | 27 | 3 | 2 | .667 | 1 | .333 | 5 | 19 | 8 | .421 | 48 | 48 | 21 | 21.4 | .576 |
| Nick Ramirez* | Cin | mr | 30 | 3 | 3 | 1.000 | 0 | .000 | 3 | 34 | 11 | .324 | 41 | 41 | 20 | 27.6 | .600 |
| Noe Ramirez | Mia | mr | 30 | 3 | 3 | 1.000 | 0 | .000 | 7 | 45 | 17 | .378 | 55 | 55 | 16 | 27.2 | .615 |
| Edubray Ramos | LAD | mr | 27 | 1 | 0 | .000 | 1 | 1.000 | 0 | 6 | 4 | .667 | 4 | 4 | 2 | 36.8 | .558 |
| Robbie Ray* | StL | sp | 28 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 33 | 0 | 0 | 94.8 | .625 |
| Cody Reed* | Pit | mr | 27 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 2 | 2 | 2 | 78.5 | .669 |
| Gerardo Reyes | LAD | mr | 27 | 0 | 0 | .000 | 0 | .000 | 1 | 6 | 2 | .333 | 10 | 10 | 8 | 20.2 | .634 |
| Clayton Richard* | Ari | sp | 36 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 7 | 0 | 0 | 94.0 | .637 |
| Garrett Richards | Phi | sp | 32 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 4 | 0 | 0 | 95.3 | .612 |
| Fernando Rodney | Mia | mr | 43 | 1 | 1 | 1.000 | 0 | .000 | 1 | 2 | 0 | .000 | 10 | 10 | 5 | 24.1 | .523 |
| Carlos Rodon* | SF | sp | 27 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 7 | 0 | 0 | 95.4 | .599 |
| Dereck Rodriguez | StL | sp | 28 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 23 | 0 | 0 | 84.0 | .622 |
| Eduardo Rodriguez* | Col | sp | 27 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 31 | 0 | 0 | 102.5 | .632 |
| Jefry Rodriguez | Mil | sp | 26 | 1 | 1 | 1.000 | 0 | .000 | 0 | 0 | 0 | .000 | 8 | 3 | 2 | 62.1 | .624 |
| Jose Rodriguez | Was | mr | 24 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 5 | 5 | 0 | 16.6 | .578 |
| Taylor Rogers* | Mia | cl | 29 | 38 | 35 | .921 | 3 | .079 | 1 | 34 | 6 | .176 | 63 | 63 | 51 | 17.0 | .692 |
| Tyler Rogers | Cin | mr | 29 | 13 | 13 | 1.000 | 0 | .000 | 0 | 9 | 3 | .333 | 19 | 19 | 17 | 15.8 | .668 |
| Sergio Romo | Col | cl | 37 | 32 | 24 | .750 | 8 | .250 | 5 | 25 | 8 | .320 | 61 | 61 | 45 | 16.7 | .658 |
| Hector Rondon | Atl | mr | 32 | 6 | 3 | .500 | 3 | .500 | 18 | 30 | 5 | .167 | 66 | 66 | 14 | 20.2 | .633 |
| Jose Ruiz | Was | mr | 25 | 0 | 0 | .000 | 0 | .000 | 0 | 2 | 0 | .000 | 13 | 13 | 3 | 21.6 | .591 |
| Hyun-Jin Ryu* | Ari | sp | 33 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 32 | 0 | 0 | 98.3 | .708 |
| CC Sabathia* | SF | sp | 39 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 24 | 0 | 0 | 97.9 | .651 |
| Casey Sadler | SF | mr | 29 | 14 | 8 | .571 | 6 | .429 | 2 | 20 | 3 | .150 | 37 | 37 | 27 | 19.4 | .654 |
| Connor Sadzeck | SF | mr | 28 | 1 | 0 | .000 | 1 | 1.000 | 5 | 7 | 0 | .000 | 21 | 21 | 7 | 19.8 | .610 |
| Chris Sale* | Atl | sp | 31 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 28 | 1 | 1 | 100.6 | .676 |
| Jeff Samardzija | Pit | sp | 35 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 33 | 0 | 0 | 97.7 | .648 |
| Adrian Sampson | Mia | mr | 28 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 18 | 0 | 0 | 96.3 | .644 |
| Aaron Sanchez | NYM | sp | 27 | 0 | 0 | .000 | 0 | .000 | 0 | 1 | 1 | 1.000 | 30 | 1 | 1 | 88.2 | .588 |
| Anibal Sanchez | ChC | sp | 36 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 33 | 0 | 0 | 104.5 | .641 |
| Patrick Sandoval* | Pit | sp | 23 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 6 | 0 | 0 | 87.8 | .615 |
| Tanner Scott* | ChC | mr | 25 | 0 | 0 | .000 | 0 | .000 | 0 | 3 | 1 | .333 | 3 | 3 | 1 | 7.3 | .500 |
| Antonio Senzatela | Pit | sp | 25 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 18 | 0 | 0 | 101.9 | .614 |
| Luis Severino | NYM | sp | 26 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 3 | 0 | 0 | 83.7 | .606 |
| Paul Sewald | Pit | mr | 30 | 0 | 0 | .000 | 0 | .000 | 2 | 2 | 0 | .000 | 11 | 11 | 6 | 27.8 | .637 |
| Justus Sheffield* | Phi | sp | 24 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 7 | 0 | 0 | 99.6 | .614 |
| Tyler Skaggs* | Cin | sp | 28 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 14 | 0 | 0 | 103.1 | .636 |
| Eric Skoglund* | Phi | sp | 27 | 2 | 0 | .000 | 2 | 1.000 | 0 | 5 | 1 | .200 | 7 | 7 | 7 | 13.3 | .559 |
| Devin Smeltzer* | Pit | sp | 24 | 0 | 0 | .000 | 0 | .000 | 0 | 5 | 0 | .000 | 6 | 6 | 4 | 29.7 | .680 |
| Caleb Smith* | Mil | sp | 28 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 31 | 0 | 0 | 85.5 | .628 |
| Joe Smith | LAD | mr | 36 | 19 | 16 | .842 | 3 | .158 | 3 | 18 | 4 | .222 | 31 | 31 | 23 | 17.8 | .638 |
| Blake Snell* | LAD | sp | 27 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 26 | 0 | 0 | 100.0 | .622 |
| Chad Sobotka | NYM | mr | 26 | 0 | 0 | .000 | 0 | .000 | 2 | 24 | 5 | .208 | 30 | 30 | 5 | 25.5 | .566 |
| Joakim Soria | StL | mr | 36 | 7 | 1 | .143 | 5 | .714 | 17 | 21 | 8 | .381 | 69 | 69 | 11 | 21.6 | .630 |
| Gregory Soto* | StL | mr | 25 | 0 | 0 | .000 | 0 | .000 | 2 | 3 | 1 | .333 | 7 | 7 | 1 | 17.7 | .556 |
| Glenn Sparkman | NYM | sp | 28 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 27 | 1 | 0 | 85.5 | .645 |
| Ryne Stanek | Pit | mr | 28 | 3 | 2 | .667 | 1 | .333 | 1 | 14 | 4 | .286 | 31 | 31 | 17 | 27.3 | .585 |
| Drew Steckenrider | NYM | mr | 29 | 0 | 0 | .000 | 0 | .000 | 0 | 7 | 3 | .429 | 23 | 23 | 7 | 21.0 | .609 |
| Matt Strahm* | StL | mr | 28 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 29 | 0 | 0 | 91.0 | .690 |
| Dan Straily | NYM | sp | 31 | 0 | 0 | .000 | 0 | .000 | 1 | 7 | 4 | .571 | 14 | 11 | 1 | 36.8 | .581 |
| Stephen Strasburg | Cin | sp | 31 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 33 | 0 | 0 | 108.1 | .653 |
| Chris Stratton | StL | mr | 29 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 6 | 0 | 0 | 80.2 | .586 |
| Pedro Strop | Col | mr | 35 | 3 | 2 | .667 | 0 | .000 | 4 | 7 | 2 | .286 | 25 | 25 | 11 | 19.4 | .572 |
| Andrew Suarez* | SF | mr | 27 | 0 | 0 | .000 | 0 | .000 | 2 | 7 | 0 | .000 | 20 | 18 | 8 | 23.5 | .611 |
| Brent Suter* | LAD | mr | 30 | 6 | 4 | .667 | 2 | .333 | 0 | 11 | 3 | .273 | 14 | 14 | 10 | 26.4 | .691 |
| Anthony Swarzak | SD | mr | 34 | 3 | 1 | .333 | 1 | .333 | 5 | 43 | 19 | .442 | 62 | 62 | 15 | 24.7 | .604 |
| Jameson Taillon | Was | sp | 28 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 8 | 0 | 0 | 86.0 | .651 |
| Dillon Tate | Pit | mr | 26 | 1 | 0 | .000 | 1 | 1.000 | 0 | 13 | 8 | .615 | 18 | 18 | 10 | 31.4 | .588 |
| Josh Taylor* | Atl | mr | 27 | 25 | 21 | .840 | 4 | .160 | 1 | 35 | 8 | .229 | 59 | 59 | 50 | 18.3 | .644 |
| Trent Thornton | SF | sp | 26 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 31 | 0 | 0 | 97.9 | .619 |
| Jesus Tinoco | SF | mr | 25 | 0 | 0 | .000 | 0 | .000 | 0 | 6 | 3 | .500 | 16 | 16 | 7 | 22.3 | .610 |
| Blake Treinen | ChC | cl | 32 | 0 | 0 | .000 | 0 | .000 | 1 | 10 | 4 | .400 | 28 | 28 | 9 | 25.8 | .568 |
| Lou Trivino | Atl | mr | 28 | 9 | 5 | .556 | 2 | .222 | 6 | 20 | 6 | .300 | 52 | 52 | 20 | 23.4 | .600 |
| Framber Valdez* | Mia | mr | 26 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 11 | 0 | 0 | 82.8 | .599 |
| Jason Vargas* | Pit | sp | 37 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 31 | 0 | 0 | 96.6 | .613 |
| Felipe Vazquez* | Mil | cl | 28 | 30 | 24 | .800 | 6 | .200 | 1 | 46 | 14 | .304 | 57 | 57 | 49 | 16.7 | .656 |
| Drew VerHagen | Phi | mr | 29 | 0 | 0 | .000 | 0 | .000 | 1 | 18 | 6 | .333 | 28 | 26 | 8 | 34.1 | .626 |
| Adam Wainwright | Col | sp | 38 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 30 | 0 | 0 | 99.1 | .637 |
| Marcus Walden | Mia | mr | 31 | 8 | 4 | .500 | 3 | .375 | 17 | 18 | 6 | .333 | 67 | 67 | 16 | 23.0 | .598 |
| Jeremy Walker | LAD | mr | 25 | 6 | 4 | .667 | 2 | .333 | 0 | 8 | 2 | .250 | 10 | 10 | 9 | 15.5 | .594 |
| Adam Warren | NYM | mr | 32 | 2 | 0 | .000 | 1 | .500 | 0 | 20 | 9 | .450 | 21 | 21 | 6 | 28.4 | .606 |
| Jacob Webb | Was | mr | 26 | 9 | 1 | .111 | 7 | .778 | 9 | 26 | 10 | .385 | 45 | 45 | 10 | 18.5 | .595 |
| J.B. Wendelken | Was | mr | 27 | 0 | 0 | .000 | 0 | .000 | 0 | 2 | 0 | .000 | 10 | 10 | 4 | 19.0 | .642 |
| Zack Wheeler | SF | sp | 30 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 33 | 0 | 0 | 104.6 | .637 |
| Rowan Wick | NYM | mr | 27 | 5 | 4 | .800 | 1 | .200 | 3 | 20 | 4 | .200 | 32 | 32 | 12 | 26.3 | .581 |
| Brad Wieck* | SF | mr | 28 | 4 | 0 | .000 | 4 | 1.000 | 4 | 20 | 9 | .450 | 47 | 47 | 20 | 19.7 | .656 |
| Trevor Williams | LAD | sp | 28 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 26 | 0 | 0 | 103.1 | .633 |
| Justin Wilson* | Mil | mr | 32 | 3 | 2 | .667 | 0 | .000 | 10 | 19 | 3 | .158 | 42 | 42 | 17 | 18.8 | .628 |
| Asher Wojciechowski | Ari | sp | 31 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 19 | 0 | 0 | 101.9 | .631 |
| Hunter Wood | NYM | mr | 26 | 6 | 3 | .500 | 3 | .500 | 1 | 16 | 4 | .250 | 26 | 26 | 11 | 20.9 | .645 |
| Brandon Woodruff | Cin | sp | 27 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 26 | 0 | 0 | 102.5 | .649 |
| Brandon Workman | Col | mr | 31 | 21 | 19 | .905 | 2 | .095 | 24 | 30 | 8 | .267 | 63 | 63 | 25 | 22.4 | .608 |
| Jordan Yamamoto | Pit | sp | 24 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 18 | 0 | 0 | 97.7 | .594 |
| Gabriel Ynoa | NYM | mr | 27 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 16 | 0 | 0 | 88.9 | .675 |
| Alex Young* | Atl | sp | 26 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 18 | 0 | 0 | 88.4 | .622 |