FL Team Status -- 2021 Seattle Mariners
Regular season -- as of 10/19/2021
| Batter Status |
| | | vs LHP | vs RHP | Total | Inj | Batters Faced as Catcher |
| S | Name | Usage | Usage | Usage | Days | 10/19 | 10/18 | 10/17 | 10/16 | 10/15 | 10/14 | 10/13 | 10/12 | 10/11 | Cum |
| | Pete Alonso | 100 | 98 | 99 | 0 | | | | | | | | | | |
| f | Christian Arroyo | 92 | 126 | 114 | 0 | | | | | | | | | | |
| | Javier Baez | 104 | 94 | 96 | 0 | | | | | | | | | | |
| | Luis Alexande Basabe | 77 | 41 | 57 | 0 | | | | | | | | | | |
| | Miguel Cabrera | 167 | 18 | 45 | 0 | | | | | | | | | | |
| | Francisco Cervelli | 225 | 54 | 106 | 0 | | | 12 | | 32 | | | | | 44 |
| f | William Contreras | 40 | 136 | 119 | 0 | | | | | | | | | | |
| | Charlie Culberson | 0 | 0 | 0 | 0 | | | | | | | | | | |
| | Travis d'Arnaud | 92 | 110 | 107 | 0 | 41 | | 35 | 39 | | | 39 | 35 | | 189 |
| | Alex Dickerson | 164 | 108 | 112 | 0 | | | | | | | | | | |
| f | Derek Dietrich | 38 | 61 | 58 | 0 | | | | | | | | | | |
| | Adam Engel | 136 | 180 | 163 | 0 | | | | | | | | | | |
| f | Phillip Evans | 113 | 96 | 102 | 0 | | | | | | | | | | |
| | Kyle Farmer | 256 | 55 | 131 | 0 | | | | | | | | | | |
| | Ian Happ | 143 | 87 | 101 | 0 | | | | | | | | | | |
| | Tommy La Stella | 25 | 84 | 69 | 0 | | | | | | | | | | |
| | DJ LeMahieu | 138 | 98 | 106 | 0 | | | | | | | | | | |
| | Whit Merrifield | 136 | 99 | 107 | 0 | | | | | | | | | | |
| Pitcher Status |
| | | | Inj | | Pitches Thrown |
| S | Name | Usage | Days | Last | 10/19 | 10/18 | 10/17 | 10/16 | Cum |
| | Miguel Castro | 75 | 0 | 10/16/2021 | | | | 17r | 17 |
| | Jake Diekman | 109 | 0 | 10/17/2021 | | | 27r | 14r | 41 |
| f | Jon Duplantier | 0 | 0 | | | | | | |
| f | Erick Fedde | 99 | 0 | 10/19/2021 | 23r | | | 5r | 28 |
| | Sam Freeman | 74 | 0 | | | | | | |
| | Tyler Glasnow | 118 | 0 | 10/17/2021 | | | 89s | | 89 |
| f | Javy Guerra | 0 | 0 | | | | | | |
| f | Tommy Kahnle | 0 | 0 | | | | | | |
| | Brad Keller | 130 | 0 | 10/15/2021 | | | | | |
| f | Corey Knebel | 0 | 0 | | | | | | |
| f | Zack Littell | 0 | 0 | | | | | | |
| | Nick Margevicius | 81 | 0 | 10/19/2021 | 36s | | 14r | | 50 |
| | Mike Minor | 122 | 0 | 10/16/2021 | | | | 55s | 55 |
| | Darren O'Day | 134 | 0 | 10/19/2021 | 20r | | 11r | 11r | 42 |
| f | Colin Rea | 87 | 0 | | | | | | |
| | Richard Rodriguez | 137 | 0 | 10/19/2021 | 16r | | 13r | 8r | 37 |
| | Tarik Skubal | 129 | 0 | | | | | | |
| | Burch Smith | 169 | 0 | 10/19/2021 | 42r | | | | 42 |
| | Jose Urquidy | 139 | 0 | 10/3/2021 | | | | | |
| | Tony Watson | 120 | 0 | 10/17/2021 | | | 21r | 18r | 39 |
| | Matt Wisler | 155 | 0 | 10/17/2021 | | | 25r | | 25 |