Team fielding -- 2018 Seattle Mariners
Regular season -- as of 9/30/2018
| Primary |
| Pos | S | Name | G | GS | INN | PO | A | E | DP | TC | PCT | PB | SB | CS | SB% | PK |
| p | | Jason Hammel | 37 | 34 | 213.3 | 12 | 24 | 1 | 2 | 37 | .973 | | 44 | 8 | .846 | 3 |
| | | Mike Montgomery | 36 | 33 | 209.0 | 10 | 21 | 6 | 0 | 37 | .838 | | 8 | 7 | .533 | 0 |
| | f | James Paxton | 30 | 27 | 171.7 | 9 | 15 | 0 | 0 | 24 | 1.000 | | 17 | 10 | .630 | 4 |
| | | Rogelio Armenteros | 32 | 28 | 164.3 | 6 | 14 | 2 | 2 | 22 | .909 | | 21 | 14 | .600 | 1 |
| | | Carlos Martinez | 18 | 17 | 99.7 | 6 | 16 | 0 | 0 | 22 | 1.000 | | 7 | 3 | .700 | 2 |
| | | Jeff Hoffman | 24 | 17 | 117.7 | 5 | 14 | 1 | 1 | 20 | .950 | | 8 | 1 | .889 | 0 |
| | | Zach McAllister | 77 | 0 | 96.0 | 5 | 14 | 1 | 1 | 20 | .950 | | 6 | 3 | .667 | 2 |
| | | Adam Warren | 73 | 1 | 88.0 | 4 | 11 | 0 | 1 | 15 | 1.000 | | 7 | 2 | .778 | 1 |
| | | Keury Mella | 60 | 0 | 76.0 | 5 | 9 | 0 | 0 | 14 | 1.000 | | 5 | 5 | .500 | 0 |
| | | Ken Giles | 73 | 0 | 82.0 | 5 | 5 | 2 | 0 | 12 | .833 | | 5 | 0 | 1.000 | 0 |
| | | Jerry Blevins | 61 | 0 | 50.0 | 3 | 6 | 1 | 0 | 10 | .900 | | 3 | 1 | .750 | 0 |
| | f | Luiz Gohara | 5 | 5 | 31.7 | 2 | 3 | 0 | 0 | 5 | 1.000 | | 1 | 2 | .333 | 0 |
| | f | Carson Smith | 18 | 0 | 24.7 | 2 | 3 | 0 | 0 | 5 | 1.000 | | 1 | 1 | .500 | 0 |
| | | Trevor May | 12 | 0 | 19.7 | 1 | 1 | 0 | 0 | 2 | 1.000 | | 0 | 0 | .000 | 0 |
| | | Tommy La Stella | 1 | 0 | 1.0 | 1 | 0 | 0 | 0 | 1 | 1.000 | | 0 | 0 | .000 | 0 |
| | f | Bobby Wahl | 4 | 0 | 5.3 | 0 | 0 | 0 | 0 | 0 | .000 | | 0 | 1 | .000 | 0 |
| | | Total | 561 | 162 | 1450.0 | 76 | 156 | 14 | 7 | 246 | .943 | | 133 | 58 | .696 | 13 |
| | | | | | | | | | | | | | | | | |
| c | | Tom Murphy | 162 | 162 | 1450.0 | 1466 | 87 | 29 | 6 | 1582 | .982 | 19 | 133 | 58 | .696 | 0 |
| | | Total | 162 | 162 | 1450.0 | 1466 | 87 | 29 | 6 | 1582 | .982 | 19 | 133 | 58 | .696 | 0 |
| | | | | | | | | | | | | | | | | |
| 1b | f | Jose Abreu | 131 | 128 | 1141.0 | 1049 | 76 | 8 | 70 | 1133 | .993 | | | | | |
| | | Kendrys Morales | 32 | 31 | 282.0 | 273 | 19 | 4 | 19 | 296 | .986 | | | | | |
| | | Jake Peter | 3 | 3 | 22.0 | 23 | 2 | 0 | 1 | 25 | 1.000 | | | | | |
| | | Derek Dietrich | 1 | 0 | 1.0 | 2 | 0 | 0 | 0 | 2 | 1.000 | | | | | |
| | f | Josh Naylor | 1 | 0 | 4.0 | 2 | 0 | 0 | 0 | 2 | 1.000 | | | | | |
| | | Total | 168 | 162 | 1450.0 | 1349 | 97 | 12 | 90 | 1458 | .992 | | | | | |
| | | | | | | | | | | | | | | | | |
| 2b | f | Brad Miller | 118 | 117 | 1045.0 | 189 | 334 | 22 | 53 | 545 | .960 | | | | | |
| | | Tommy La Stella | 33 | 31 | 281.0 | 41 | 101 | 5 | 16 | 147 | .966 | | | | | |
| | | Chris Taylor | 14 | 14 | 123.0 | 17 | 42 | 1 | 5 | 60 | .983 | | | | | |
| | | Derek Dietrich | 1 | 0 | 1.0 | 0 | 1 | 0 | 0 | 1 | 1.000 | | | | | |
| | | Total | 166 | 162 | 1450.0 | 247 | 478 | 28 | 74 | 753 | .963 | | | | | |
| | | | | | | | | | | | | | | | | |
| 3b | | Derek Dietrich | 85 | 84 | 749.0 | 55 | 146 | 8 | 7 | 209 | .962 | | | | | |
| | f | Chase Headley | 77 | 75 | 666.3 | 41 | 126 | 10 | 9 | 177 | .944 | | | | | |
| | | Chris Taylor | 2 | 2 | 15.0 | 1 | 5 | 0 | 0 | 6 | 1.000 | | | | | |
| | | Tommy La Stella | 2 | 0 | 6.7 | 1 | 2 | 1 | 1 | 4 | .750 | | | | | |
| | f | Martin Prado | 1 | 1 | 12.0 | 0 | 3 | 0 | 0 | 3 | 1.000 | | | | | |
| | | Jake Peter | 1 | 0 | 1.0 | 0 | 0 | 0 | 0 | 0 | .000 | | | | | |
| | | Total | 168 | 162 | 1450.0 | 98 | 282 | 19 | 17 | 399 | .952 | | | | | |
| | | | | | | | | | | | | | | | | |
| ss | | Ketel Marte | 162 | 162 | 1446.0 | 161 | 495 | 28 | 63 | 684 | .959 | | | | | |
| | f | Brad Miller | 1 | 0 | 4.0 | 0 | 1 | 0 | 0 | 1 | 1.000 | | | | | |
| | | Total | 163 | 162 | 1450.0 | 161 | 496 | 28 | 63 | 685 | .959 | | | | | |
| | | | | | | | | | | | | | | | | |
| lf | | Justin Upton | 160 | 159 | 1421.0 | 274 | 6 | 6 | 0 | 286 | .979 | | | | | |
| | | David Dahl | 3 | 3 | 27.0 | 7 | 0 | 0 | 0 | 7 | 1.000 | | | | | |
| | | Corey Dickerson | 1 | 0 | 2.0 | 0 | 0 | 0 | 0 | 0 | .000 | | | | | |
| | | Total | 164 | 162 | 1450.0 | 281 | 6 | 6 | 0 | 293 | .980 | | | | | |
| | | | | | | | | | | | | | | | | |
| cf | | Chris Taylor | 147 | 146 | 1302.0 | 320 | 6 | 10 | 2 | 336 | .970 | | | | | |
| | f | Delino DeShields | 14 | 13 | 110.0 | 38 | 0 | 1 | 0 | 39 | .974 | | | | | |
| | f | Drew Robinson | 3 | 3 | 27.0 | 7 | 0 | 0 | 0 | 7 | 1.000 | | | | | |
| | f | Brad Miller | 3 | 0 | 4.0 | 2 | 0 | 0 | 0 | 2 | 1.000 | | | | | |
| | | David Dahl | 2 | 0 | 7.0 | 1 | 0 | 0 | 0 | 1 | 1.000 | | | | | |
| | | Total | 169 | 162 | 1450.0 | 368 | 6 | 11 | 2 | 385 | .971 | | | | | |
| | | | | | | | | | | | | | | | | |
| rf | | Ben Gamel | 86 | 86 | 756.0 | 163 | 7 | 1 | 2 | 171 | .994 | | | | | |
| | | David Dahl | 75 | 75 | 665.0 | 136 | 4 | 2 | 0 | 142 | .986 | | | | | |
| | | Kendrys Morales | 8 | 0 | 17.0 | 3 | 1 | 0 | 0 | 4 | 1.000 | | | | | |
| | f | Brad Miller | 1 | 1 | 12.0 | 2 | 0 | 0 | 0 | 2 | 1.000 | | | | | |
| | | Total | 170 | 162 | 1450.0 | 304 | 12 | 3 | 2 | 319 | .991 | | | | | |
| | | | | | | | | | | | | | | | | |
| | | Total | 162 | 162 | 1450.0 | 4350 | 1620 | 150 | 98 | 6120 | .975 | 19 | | | | |
