Team fielding -- 2017 Seattle Mariners
Regular season -- as of 9/26/2017
| Primary |
| Pos |  | Name | G | GS | INN | PO | A | E | DP | TC | PCT | PB | SB | CS | SB% | PK |
| p | | Johnny Cueto | 32 | 32 | 233.0 | 19 | 19 | 3 | 3 | 41 | .927 | | 6 | 2 | .750 | 0 |
| | | Yovani Gallardo | 28 | 28 | 160.3 | 11 | 17 | 1 | 2 | 29 | .966 | | 4 | 3 | .571 | 2 |
| | | Ricky Nolasco | 31 | 31 | 206.0 | 11 | 15 | 2 | 2 | 28 | .929 | | 6 | 5 | .545 | 1 |
| | n | Jose Fernandez | 17 | 17 | 112.7 | 3 | 12 | 1 | 3 | 16 | .938 | | 1 | 1 | .500 | 0 |
| | | Jason Hammel | 30 | 30 | 172.7 | 4 | 11 | 1 | 2 | 16 | .938 | | 7 | 1 | .875 | 0 |
| | n | Wade LeBlanc | 36 | 1 | 75.7 | 2 | 12 | 0 | 2 | 14 | 1.000 | | 0 | 2 | .000 | 0 |
| | | David Robertson | 59 | 0 | 70.3 | 3 | 6 | 1 | 1 | 10 | .900 | | 2 | 3 | .400 | 1 |
| | | Boone Logan | 51 | 0 | 51.7 | 4 | 4 | 1 | 0 | 9 | .889 | | 1 | 1 | .500 | 0 |
| | | Fernando Salas | 57 | 0 | 73.3 | 4 | 4 | 1 | 0 | 9 | .889 | | 4 | 0 | 1.000 | 0 |
| | | Junichi Tazawa | 30 | 0 | 39.3 | 5 | 3 | 0 | 0 | 8 | 1.000 | | 2 | 1 | .667 | 0 |
| | | Joe Smith | 40 | 0 | 56.3 | 4 | 2 | 0 | 0 | 6 | 1.000 | | 1 | 0 | 1.000 | 0 |
| | n | Luke Hochevar | 30 | 0 | 45.0 | 3 | 2 | 0 | 0 | 5 | 1.000 | | 2 | 1 | .667 | 0 |
| | | Alex Cobb | 9 | 9 | 45.0 | 1 | 3 | 0 | 0 | 4 | 1.000 | | 2 | 0 | 1.000 | 0 |
| | f | Robbie Erlin | 7 | 4 | 31.7 | 1 | 3 | 0 | 0 | 4 | 1.000 | | 1 | 1 | .500 | 0 |
| | | Rob Whalen | 7 | 7 | 35.7 | 3 | 1 | 0 | 0 | 4 | 1.000 | | 1 | 2 | .333 | 0 |
| | | Chaz Roe | 23 | 0 | 26.0 | 2 | 2 | 0 | 0 | 4 | 1.000 | | 0 | 2 | .000 | 0 |
| | | John Danks | 3 | 3 | 15.7 | 0 | 1 | 0 | 0 | 1 | 1.000 | | 0 | 0 | .000 | 0 |
| | f | Brandon Morrow | 1 | 0 | 2.0 | 0 | 0 | 0 | 0 | 0 | .000 | | 0 | 0 | .000 | 0 |
| | f | Huston Street | 1 | 0 | 1.0 | 0 | 0 | 0 | 0 | 0 | .000 | | 0 | 0 | .000 | 0 |
| | | Total | 492 | 162 | 1453.3 | 80 | 117 | 11 | 15 | 208 | .947 | | 40 | 25 | .615 | 4 |
| | | | | | | | | | | | | | | | | |
| c | | Jason Castro | 119 | 114 | 985.3 | 920 | 39 | 2 | 1 | 961 | .998 | 13 | 29 | 20 | .592 | 1 |
| | n | Anthony Recker | 36 | 27 | 258.7 | 258 | 5 | 1 | 1 | 264 | .996 | 3 | 7 | 1 | .875 | 0 |
| | | Trevor Brown | 30 | 21 | 206.3 | 174 | 9 | 0 | 0 | 183 | 1.000 | 1 | 4 | 4 | .500 | 0 |
| | | Gregor Blanco | 1 | 0 | 3.0 | 1 | 0 | 0 | 0 | 1 | 1.000 | 0 | 0 | 0 | .000 | 0 |
| | | Total | 186 | 162 | 1453.3 | 1353 | 53 | 3 | 2 | 1409 | .998 | 17 | 40 | 25 | .615 | 1 |
| | | | | | | | | | | | | | | | | |
| 1b | | Joe Mauer | 82 | 82 | 711.3 | 678 | 38 | 2 | 73 | 718 | .997 | | | | | |
| | n | Adrian Gonzalez | 78 | 78 | 698.7 | 630 | 49 | 0 | 60 | 679 | 1.000 | | | | | |
| | n | Darin Ruf | 3 | 2 | 18.0 | 20 | 0 | 0 | 1 | 20 | 1.000 | | | | | |
| | | Jason Castro | 2 | 0 | 9.0 | 11 | 1 | 0 | 1 | 12 | 1.000 | | | | | |
| | | Wilmer Flores | 1 | 0 | 10.3 | 8 | 0 | 0 | 2 | 8 | 1.000 | | | | | |
| | f | Luis Valbuena | 1 | 0 | 5.0 | 5 | 0 | 0 | 1 | 5 | 1.000 | | | | | |
| | | John Jaso | 1 | 0 | 1.0 | 3 | 0 | 0 | 0 | 3 | 1.000 | | | | | |
| | | Total | 168 | 162 | 1453.3 | 1355 | 88 | 2 | 138 | 1445 | .999 | | | | | |
| | | | | | | | | | | | | | | | | |
| 2b | | Robinson Cano | 160 | 160 | 1429.3 | 257 | 466 | 6 | 108 | 729 | .992 | | | | | |
| | | Robert Andino | 1 | 1 | 8.0 | 2 | 6 | 0 | 1 | 8 | 1.000 | | | | | |
| | | Daniel Castro | 2 | 1 | 9.0 | 3 | 2 | 0 | 0 | 5 | 1.000 | | | | | |
| | | Wilmer Flores | 3 | 0 | 6.0 | 2 | 3 | 0 | 1 | 5 | 1.000 | | | | | |
| | f | Raul Mondesi | 1 | 0 | 1.0 | 0 | 0 | 0 | 0 | 0 | .000 | | | | | |
| | | Total | 167 | 162 | 1453.3 | 264 | 477 | 6 | 110 | 747 | .992 | | | | | |
| | | | | | | | | | | | | | | | | |
| 3b | f | Luis Valbuena | 113 | 109 | 987.7 | 64 | 177 | 12 | 14 | 253 | .953 | | | | | |
| | | Wilmer Flores | 32 | 27 | 235.7 | 5 | 49 | 3 | 1 | 57 | .947 | | | | | |
| | | Jordan Pacheco | 26 | 26 | 211.0 | 11 | 32 | 4 | 4 | 47 | .915 | | | | | |
| | | Daniel Castro | 11 | 0 | 19.0 | 4 | 3 | 0 | 2 | 7 | 1.000 | | | | | |
| | | Total | 182 | 162 | 1453.3 | 84 | 261 | 19 | 21 | 364 | .948 | | | | | |
| | | | | | | | | | | | | | | | | |
| ss | f | Raul Mondesi | 102 | 95 | 824.3 | 109 | 338 | 6 | 62 | 453 | .987 | | | | | |
| | | Wilmer Flores | 64 | 46 | 432.3 | 59 | 144 | 4 | 30 | 207 | .981 | | | | | |
| | | Daniel Castro | 31 | 21 | 196.7 | 27 | 78 | 4 | 10 | 109 | .963 | | | | | |
| | | Total | 197 | 162 | 1453.3 | 195 | 560 | 14 | 102 | 769 | .982 | | | | | |
| | | | | | | | | | | | | | | | | |
| lf | | Starling Marte | 137 | 136 | 1223.3 | 280 | 7 | 7 | 2 | 294 | .976 | | | | | |
| | | Gregor Blanco | 21 | 20 | 168.3 | 41 | 1 | 1 | 0 | 43 | .977 | | | | | |
| | | Cole Gillespie | 5 | 5 | 34.0 | 10 | 0 | 1 | 0 | 11 | .909 | | | | | |
| | n | Darin Ruf | 4 | 1 | 12.7 | 3 | 0 | 1 | 0 | 4 | .750 | | | | | |
| | | Robert Andino | 1 | 0 | 8.0 | 3 | 0 | 0 | 0 | 3 | 1.000 | | | | | |
| | | Wilmer Flores | 1 | 0 | 2.0 | 3 | 0 | 0 | 0 | 3 | 1.000 | | | | | |
| | | Corey Dickerson | 1 | 0 | 5.0 | 0 | 0 | 0 | 0 | 0 | .000 | | | | | |
| | | Total | 170 | 162 | 1453.3 | 340 | 8 | 10 | 2 | 358 | .972 | | | | | |
| | | | | | | | | | | | | | | | | |
| cf | | Mike Trout | 159 | 159 | 1426.3 | 360 | 12 | 2 | 1 | 374 | .995 | | | | | |
| | | Starling Marte | 3 | 2 | 19.0 | 7 | 0 | 0 | 0 | 7 | 1.000 | | | | | |
| | | Corey Dickerson | 1 | 1 | 8.0 | 3 | 0 | 1 | 0 | 4 | .750 | | | | | |
| | | Total | 163 | 162 | 1453.3 | 370 | 12 | 3 | 1 | 385 | .992 | | | | | |
| | | | | | | | | | | | | | | | | |
| rf | | Corey Dickerson | 124 | 121 | 1091.7 | 227 | 5 | 4 | 0 | 236 | .983 | | | | | |
| | | Gregor Blanco | 40 | 37 | 328.7 | 83 | 1 | 1 | 0 | 85 | .988 | | | | | |
| | | Hunter Dozier | 2 | 1 | 11.0 | 3 | 1 | 0 | 0 | 4 | 1.000 | | | | | |
| | n | Darin Ruf | 1 | 1 | 6.0 | 3 | 0 | 0 | 0 | 3 | 1.000 | | | | | |
| | | Cole Gillespie | 1 | 1 | 8.0 | 2 | 0 | 0 | 0 | 2 | 1.000 | | | | | |
| | | Starling Marte | 1 | 1 | 8.0 | 1 | 0 | 0 | 0 | 1 | 1.000 | | | | | |
| | | Total | 169 | 162 | 1453.3 | 319 | 7 | 5 | 0 | 331 | .985 | | | | | |
| | | | | | | | | | | | | | | | | |
| | | Total | 162 | 162 | 1453.3 | 4360 | 1583 | 73 | 145 | 6016 | .988 | 17 | | | | |