Team fielding -- 2023 Seattle Mariners
Regular season -- as of 9/26/2023
| Primary |
| Pos | S | Name | G | GS | INN | PO | A | E | DP | TC | PCT | PB | SB | CS | SB% | PK |
| p | | Brad Keller | 42 | 19 | 157.1 | 16 | 19 | 0 | 0 | 35 | 1.000 | | 13 | 1 | .929 | 0 |
| | | Jose Urquidy | 31 | 31 | 192.2 | 9 | 15 | 0 | 0 | 24 | 1.000 | | 6 | 4 | .600 | 0 |
| | | Tarik Skubal | 24 | 24 | 144.1 | 7 | 12 | 3 | 0 | 22 | .864 | | 8 | 3 | .727 | 0 |
| | | Hunter Greene | 27 | 27 | 155.2 | 7 | 9 | 2 | 0 | 18 | .889 | | 12 | 2 | .857 | 0 |
| | | Bailey Falter | 24 | 16 | 105.2 | 4 | 13 | 0 | 0 | 17 | 1.000 | | 5 | 2 | .714 | 0 |
| | | Ryan Thompson | 52 | 0 | 63.2 | 7 | 9 | 0 | 1 | 16 | 1.000 | | 3 | 3 | .500 | 1 |
| | | Alex Lange | 69 | 0 | 89.1 | 9 | 5 | 0 | 0 | 14 | 1.000 | | 7 | 1 | .875 | 0 |
| | | Erick Fedde | 10 | 10 | 52.0 | 6 | 5 | 0 | 0 | 11 | 1.000 | | 3 | 1 | .750 | 0 |
| | | Albert Abreu | 37 | 0 | 46.0 | 6 | 4 | 0 | 0 | 10 | 1.000 | | 2 | 2 | .500 | 0 |
| | | Will Vest | 64 | 2 | 69.1 | 3 | 6 | 0 | 0 | 9 | 1.000 | | 2 | 0 | 1.000 | 0 |
| | | Packy Naughton | 30 | 3 | 27.0 | 3 | 3 | 0 | 0 | 6 | 1.000 | | 0 | 1 | .000 | 1 |
| | | Janson Junk | 4 | 3 | 16.0 | 2 | 2 | 0 | 0 | 4 | 1.000 | | 0 | 0 | .000 | 0 |
| | | Luis Ortiz | 5 | 5 | 23.1 | 4 | 0 | 0 | 0 | 4 | 1.000 | | 0 | 0 | .000 | 0 |
| | | Miguel Castro | 7 | 0 | 8.0 | 0 | 0 | 0 | 0 | 0 | .000 | | 0 | 0 | .000 | 0 |
| | | Tyler Glasnow | 3 | 3 | 12.2 | 0 | 0 | 0 | 0 | 0 | .000 | | 0 | 1 | .000 | 0 |
| | | Other | 182 | 19 | 286.2 | 15 | 32 | 3 | 3 | 50 | .940 | | 16 | 9 | .640 | 3 |
| | | Total | 611 | 162 | 1449.2 | 98 | 134 | 8 | 4 | 240 | .967 | | 77 | 30 | .720 | 5 |
| | | | | | | | | | | | | | | | | |
| c | | William Contreras | 99 | 97 | 877.0 | 848 | 31 | 10 | 3 | 889 | .989 | 3 | 51 | 13 | .797 | 0 |
| | | Travis d'Arnaud | 53 | 51 | 451.2 | 431 | 20 | 1 | 1 | 452 | .998 | 1 | 24 | 13 | .649 | 0 |
| | | Austin Wynns | 15 | 14 | 121.0 | 110 | 6 | 3 | 1 | 119 | .975 | 0 | 2 | 4 | .333 | 0 |
| | | Total | 167 | 162 | 1449.2 | 1389 | 57 | 14 | 5 | 1460 | .990 | 4 | 77 | 30 | .720 | 0 |
| | | | | | | | | | | | | | | | | |
| 1b | | Pete Alonso | 157 | 157 | 1401.1 | 1135 | 99 | 5 | 88 | 1239 | .996 | | | | | |
| | | Miguel Cabrera | 4 | 3 | 31.0 | 27 | 1 | 0 | 0 | 28 | 1.000 | | | | | |
| | | Tommy La Stella | 2 | 2 | 16.1 | 8 | 2 | 0 | 0 | 10 | 1.000 | | | | | |
| | | Christian Arroyo | 1 | 0 | 1.0 | 0 | 0 | 0 | 0 | 0 | .000 | | | | | |
| | | Total | 164 | 162 | 1449.2 | 1170 | 102 | 5 | 88 | 1277 | .996 | | | | | |
| | | | | | | | | | | | | | | | | |
| 2b | | Christian Arroyo | 75 | 75 | 678.0 | 134 | 198 | 2 | 34 | 334 | .994 | | | | | |
| | | Tommy La Stella | 46 | 38 | 335.0 | 59 | 83 | 1 | 13 | 143 | .993 | | | | | |
| | | Whit Merrifield | 23 | 20 | 176.0 | 32 | 54 | 0 | 7 | 86 | 1.000 | | | | | |
| | | Other | 37 | 29 | 260.2 | 54 | 81 | 3 | 19 | 138 | .978 | | | | | |
| | | Total | 181 | 162 | 1449.2 | 279 | 416 | 6 | 73 | 701 | .991 | | | | | |
| | | | | | | | | | | | | | | | | |
| 3b | | DJ LeMahieu | 135 | 133 | 1197.1 | 86 | 202 | 5 | 19 | 293 | .983 | | | | | |
| | | Tommy La Stella | 11 | 10 | 82.0 | 7 | 10 | 0 | 0 | 17 | 1.000 | | | | | |
| | | Christian Arroyo | 1 | 0 | 2.0 | 0 | 0 | 0 | 0 | 0 | .000 | | | | | |
| | | Other | 23 | 19 | 168.1 | 15 | 36 | 1 | 2 | 52 | .981 | | | | | |
| | | Total | 170 | 162 | 1449.2 | 108 | 248 | 6 | 21 | 362 | .983 | | | | | |
| | | | | | | | | | | | | | | | | |
| ss | | Javier Baez | 144 | 144 | 1280.1 | 167 | 375 | 25 | 60 | 567 | .956 | | | | | |
| | | Christian Arroyo | 19 | 18 | 159.1 | 16 | 42 | 1 | 6 | 59 | .983 | | | | | |
| | | William Contreras | 1 | 0 | 5.0 | 1 | 2 | 1 | 0 | 4 | .750 | | | | | |
| | | Other | 1 | 0 | 5.0 | 1 | 3 | 0 | 1 | 4 | 1.000 | | | | | |
| | | Total | 165 | 162 | 1449.2 | 185 | 422 | 27 | 67 | 634 | .957 | | | | | |
| | | | | | | | | | | | | | | | | |
| lf | | Ian Happ | 152 | 152 | 1359.2 | 343 | 8 | 2 | 3 | 353 | .994 | | | | | |
| | | Jack Suwinski | 1 | 1 | 8.0 | 1 | 0 | 0 | 0 | 1 | 1.000 | | | | | |
| | | Other | 10 | 9 | 82.0 | 18 | 0 | 1 | 0 | 19 | .947 | | | | | |
| | | Total | 163 | 162 | 1449.2 | 362 | 8 | 3 | 3 | 373 | .992 | | | | | |
| | | | | | | | | | | | | | | | | |
| cf | | Whit Merrifield | 97 | 93 | 835.1 | 251 | 1 | 0 | 0 | 252 | 1.000 | | | | | |
| | | Jack Suwinski | 8 | 6 | 63.0 | 22 | 1 | 0 | 0 | 23 | 1.000 | | | | | |
| | | Ian Happ | 7 | 6 | 58.0 | 6 | 1 | 0 | 0 | 7 | 1.000 | | | | | |
| | | Other | 60 | 57 | 493.1 | 143 | 2 | 3 | 0 | 148 | .980 | | | | | |
| | | Total | 172 | 162 | 1449.2 | 422 | 5 | 3 | 0 | 430 | .993 | | | | | |
| | | | | | | | | | | | | | | | | |
| rf | | Jack Suwinski | 65 | 61 | 540.0 | 139 | 1 | 0 | 1 | 140 | 1.000 | | | | | |
| | | Kerry Carpenter | 19 | 19 | 153.1 | 29 | 0 | 0 | 0 | 29 | 1.000 | | | | | |
| | | Whit Merrifield | 9 | 4 | 40.0 | 8 | 0 | 0 | 0 | 8 | 1.000 | | | | | |
| | | Other | 102 | 78 | 716.1 | 160 | 5 | 2 | 1 | 167 | .988 | | | | | |
| | | Total | 195 | 162 | 1449.2 | 336 | 6 | 2 | 2 | 344 | .994 | | | | | |
| | | | | | | | | | | | | | | | | |
| | | Total | 162 | 162 | 1449.2 | 4349 | 1398 | 74 | 97 | 5821 | .987 | 4 | | | | |