UsagePosition -- 2020 Seattle Mariners
Regular season -- as of 9/26/2020
| Batter Status |
| S | Name | P | G | FLG |
| | Jorge Alfaro | c | 130 | 139 |
| | Pete Alonso | 1b | 161 | 161 |
| f | Christian Arroyo | 3b | 16 | 14 |
| | Melky Cabrera | rf | 133 | 138 |
| | Miguel Cabrera | dh | 136 | 131 |
| | Charlie Culberson | lf | 108 | 110 |
| | Alex Dickerson | lf | 68 | 75 |
| | Derek Dietrich | 2b | 113 | 130 |
| | Adam Engel | cf | 89 | 90 |
| | Kyle Farmer | 2b | 97 | 85 |
| | Curtis Granderson | lf | 138 | 95 |
| f | Ian Happ | 2b | 58 | 63 |
| | DJ LeMahieu | 2b | 145 | 146 |
| f | Jason Martin | lf | 20 | 23 |
| | Pablo Reyes | lf | 71 | 55 |
| | Addison Russell | 2b | 82 | 88 |
| f | J.B. Shuck | rf | 27 | 25 |
| f | Nick Solak | dh | 33 | 36 |
| | Total | | 1625 | 1604 |
| Pitcher Status |
| S | Name | P | G | FLG | GS | FLGS |
| | Mike Minor | sp | 32 | 33 | 32 | 33 |
| f | Tyler Glasnow | sp | 12 | 15 | 12 | 15 |
| | Erick Fedde | sp | 21 | 18 | 12 | 18 |
| f | Nick Margevicius | sp | 17 | 17 | 12 | 16 |
| | Matt Harvey | sp | 12 | 15 | 12 | 15 |
| | Matt Wisler | mr | 44 | 49 | 8 | 8 |
| | Wade LeBlanc | mr | 26 | 15 | 8 | 15 |
| | Hector Velazquez | mr | 34 | 22 | 8 | 16 |
| f | Jose Urquidy | sp | 9 | 13 | 7 | 7 |
| f | Matt Shoemaker | sp | 5 | 6 | 5 | 6 |
| f | Kyle Wright | sp | 7 | 8 | 4 | 5 |
| f | Jon Duplantier | mr | 15 | 5 | 3 | 5 |
| f | Kohl Stewart | mr | 9 | 12 | 2 | 3 |
| f | Darren O'Day | mr | 8 | 8 | 0 | 0 |
| | Jerry Blevins | mr | 45 | 49 | 0 | 0 |
| | Miguel Castro | mr | 65 | 58 | 0 | 0 |
| | Richard Rodriguez | mr | 72 | 60 | 0 | 0 |
| | Tommy Kahnle | mr | 72 | 59 | 0 | 0 |
| | Zack Littell | mr | 29 | 31 | 0 | 0 |
| f | Corey Knebel | rp | 0 | 0 | 0 | 0 |
| | Tony Sipp | mr | 36 | 41 | 0 | 0 |
| | Tayron Guerrero | mr | 52 | 44 | 0 | 0 |
| | Total | | 125 | 162 | 125 | 162 |