Team fielding -- 2020 Seattle Mariners
Regular season -- as of 9/27/2020
| Primary |
| Pos | S | Name | G | GS | INN | PO | A | E | DP | TC | PCT | PB | SB | CS | SB% | PK |
| p | | Jordan Yamamoto | 32 | 32 | 170.3 | 9 | 17 | 6 | 2 | 32 | .813 | | 5 | 6 | .455 | 1 |
| | | Jeff Hoffman | 32 | 32 | 171.0 | 10 | 20 | 2 | 2 | 32 | .938 | | 10 | 8 | .556 | 3 |
| | | Mike Montgomery | 36 | 33 | 168.7 | 8 | 20 | 0 | 0 | 28 | 1.000 | | 24 | 9 | .727 | 0 |
| | | Brett Anderson | 35 | 32 | 180.7 | 9 | 16 | 2 | 0 | 27 | .926 | | 6 | 2 | .750 | 1 |
| | | Spencer Howard | 33 | 33 | 158.7 | 6 | 13 | 0 | 0 | 19 | 1.000 | | 15 | 9 | .625 | 1 |
| | | Trevor Megill | 106 | 0 | 159.3 | 8 | 10 | 0 | 0 | 18 | 1.000 | | 8 | 4 | .667 | 0 |
| | | Adam Warren | 74 | 0 | 91.7 | 7 | 9 | 0 | 0 | 16 | 1.000 | | 6 | 2 | .750 | 0 |
| | | Jerry Blevins | 53 | 0 | 45.3 | 4 | 6 | 4 | 0 | 14 | .714 | | 3 | 1 | .750 | 1 |
| | | Trevor May | 74 | 0 | 71.7 | 4 | 5 | 2 | 0 | 11 | .818 | | 2 | 1 | .667 | 1 |
| | | Luiz Gohara | 68 | 0 | 68.0 | 2 | 6 | 2 | 0 | 10 | .800 | | 2 | 5 | .286 | 1 |
| | | Rogelio Armenteros | 68 | 0 | 70.7 | 5 | 4 | 0 | 1 | 9 | 1.000 | | 4 | 1 | .800 | 0 |
| | | Bobby Wahl | 71 | 0 | 73.0 | 3 | 4 | 1 | 0 | 8 | .875 | | 4 | 4 | .500 | 0 |
| | | Anthony Banda | 18 | 0 | 19.3 | 0 | 2 | 1 | 1 | 3 | .667 | | 0 | 0 | .000 | 0 |
| | | Eli Morgan | 3 | 0 | 1.7 | 0 | 0 | 0 | 0 | 0 | .000 | | 0 | 0 | .000 | 0 |
| | | Total | 703 | 162 | 1450.0 | 75 | 132 | 20 | 6 | 227 | .912 | | 89 | 52 | .631 | 9 |
| | | | | | | | | | | | | | | | | |
| c | | Jake Rogers | 153 | 146 | 1175.0 | 1110 | 76 | 9 | 0 | 1195 | .992 | 27 | 67 | 40 | .626 | 2 |
| | | Tom Murphy | 87 | 16 | 275.0 | 298 | 14 | 5 | 0 | 317 | .984 | 6 | 22 | 12 | .647 | 0 |
| | | Total | 240 | 162 | 1450.0 | 1408 | 90 | 14 | 0 | 1512 | .991 | 33 | 89 | 52 | .631 | 2 |
| | | | | | | | | | | | | | | | | |
| 1b | | Jose Abreu | 162 | 162 | 1450.0 | 1340 | 105 | 7 | 95 | 1452 | .995 | | | | | |
| | | Total | 162 | 162 | 1450.0 | 1340 | 105 | 7 | 95 | 1452 | .995 | | | | | |
| | | | | | | | | | | | | | | | | |
| 2b | | Gavin Lux | 162 | 162 | 1449.0 | 259 | 482 | 12 | 85 | 753 | .984 | | | | | |
| | | Tommy La Stella | 1 | 0 | 1.0 | 0 | 0 | 0 | 0 | 0 | .000 | | | | | |
| | | Total | 163 | 162 | 1450.0 | 259 | 482 | 12 | 85 | 753 | .984 | | | | | |
| | | | | | | | | | | | | | | | | |
| 3b | | Brandon Lowe | 162 | 162 | 1446.0 | 84 | 302 | 14 | 33 | 400 | .965 | | | | | |
| | | Tommy La Stella | 1 | 0 | 1.3 | 0 | 0 | 0 | 0 | 0 | .000 | | | | | |
| | | Derek Dietrich | 2 | 0 | 2.7 | 0 | 0 | 0 | 0 | 0 | .000 | | | | | |
| | | Total | 165 | 162 | 1450.0 | 84 | 302 | 14 | 33 | 400 | .965 | | | | | |
| | | | | | | | | | | | | | | | | |
| ss | | Ketel Marte | 162 | 162 | 1450.0 | 201 | 482 | 30 | 60 | 713 | .958 | | | | | |
| | | Total | 162 | 162 | 1450.0 | 201 | 482 | 30 | 60 | 713 | .958 | | | | | |
| | | | | | | | | | | | | | | | | |
| lf | | Randal Grichuk | 162 | 162 | 1432.0 | 300 | 10 | 5 | 0 | 315 | .984 | | | | | |
| | | David Dahl | 10 | 0 | 15.0 | 2 | 0 | 0 | 0 | 2 | 1.000 | | | | | |
| | | Delino DeShields | 1 | 0 | 1.0 | 0 | 0 | 0 | 0 | 0 | .000 | | | | | |
| | | Derek Dietrich | 1 | 0 | 2.0 | 0 | 0 | 0 | 0 | 0 | .000 | | | | | |
| | | Total | 174 | 162 | 1450.0 | 302 | 10 | 5 | 0 | 317 | .984 | | | | | |
| | | | | | | | | | | | | | | | | |
| cf | | David Dahl | 113 | 112 | 922.0 | 233 | 9 | 3 | 4 | 245 | .988 | | | | | |
| | | Delino DeShields | 87 | 50 | 522.0 | 128 | 5 | 1 | 0 | 134 | .993 | | | | | |
| | | Derek Dietrich | 1 | 0 | 6.0 | 1 | 0 | 0 | 0 | 1 | 1.000 | | | | | |
| | | Total | 201 | 162 | 1450.0 | 362 | 14 | 4 | 4 | 380 | .989 | | | | | |
| | | | | | | | | | | | | | | | | |
| rf | | Corey Dickerson | 162 | 162 | 1450.0 | 319 | 3 | 11 | 1 | 333 | .967 | | | | | |
| | | Total | 162 | 162 | 1450.0 | 319 | 3 | 11 | 1 | 333 | .967 | | | | | |
| | | | | | | | | | | | | | | | | |
| | | Total | 162 | 162 | 1450.0 | 4350 | 1620 | 117 | 104 | 6087 | .981 | 33 | | | | |
