FL Team Usage -- 2026 Seattle Mariners
Regular season -- as of 4/13/2026
| Batters |
| | | At Bats |
| S | Name | MLBPA | FLPA | Usage |
| | Pete Alonso | 709 | 17 | 2 |
| | Javier Baez | 437 | 5 | 1 |
| f | Moises Ballesteros | 66 | 0 | 0 |
| | Kerry Carpenter | 464 | 11 | 2 |
| f | Zach Cole | 52 | 0 | 0 |
| | William Contreras | 659 | 16 | 2 |
| | J.P. Crawford | 654 | 17 | 3 |
| | Travis d'Arnaud | 231 | 0 | 0 |
| f | J.C. Escarra | 98 | 0 | 0 |
| | Ian Happ | 663 | 17 | 3 |
| | DJ LeMahieu | 142 | 15 | 11 |
| | Angel Martinez | 484 | 5 | 1 |
| | Luis Rengifo | 541 | 15 | 3 |
| f | Jose Siri | 36 | 0 | 0 |
| | Jack Suwinski | 178 | 2 | 1 |
| | Michael A. Taylor | 325 | 12 | 4 |
| f | Luis Urias | 330 | 0 | 0 |
| | Enmanuel Valdez | 102 | 10 | 10 |
| | Weston Wilson | 125 | 0 | 0 |
| | Total | 6296 | 142 | |
| Pitchers |
| | | Appearances | Starts |
| S | Name | MLBBF | FLBF | Usage | MLBGS | FLGS | Usage |
| | Eduard Bazardo | 313 | 3 | 1 | 0 | 0 | 0 |
| f | Caden Dana | 141 | 0 | 0 | 5 | 0 | 0 |
| | Dietrich Enns | 200 | 15 | 8 | 3 | 0 | 0 |
| | Bailey Falter | 518 | 0 | 0 | 24 | 0 | 0 |
| f | Tyler Glasnow | 366 | 0 | 0 | 18 | 0 | 0 |
| | Hunter Greene | 420 | 43 | 10 | 19 | 2 | 11 |
| f | Yaramil Hiraldo | 84 | 0 | 0 | 0 | 0 | 0 |
| | Michael Lorenzen | 606 | 24 | 4 | 26 | 1 | 4 |
| | Kyle Nicolas | 167 | 12 | 7 | 0 | 0 | 0 |
| f | Eduarniel Nunez | 60 | 0 | 0 | 0 | 0 | 0 |
| | Colin Rea | 662 | 0 | 0 | 27 | 0 | 0 |
| f | Grayson Rodriguez | 0 | 0 | 0 | 0 | 0 | 0 |
| f | Colin Selby | 60 | 0 | 0 | 0 | 0 | 0 |
| | Tarik Skubal | 748 | 30 | 4 | 31 | 1 | 3 |
| f | Dylan Smith | 48 | 0 | 0 | 0 | 0 | 0 |
| | Bennett Sousa | 199 | 7 | 4 | 0 | 0 | 0 |
| | Matt Strahm | 256 | 0 | 0 | 0 | 0 | 0 |
| f | Cole Sulser | 90 | 0 | 0 | 0 | 0 | 0 |
| | Ryan Thompson | 175 | 17 | 10 | 0 | 0 | 0 |
| | Will Vest | 284 | 4 | 1 | 0 | 0 | 0 |
| f | Josh Winckowski | 52 | 0 | 0 | 0 | 0 | 0 |
| | Total | 5449 | 155 | | 153 | 4 | |