Team roster -- 2017 Seattle Mariners
Regular season
| Batters |
| | | vs. LHP | vs. RHP | | Bunt | Basepaths | | Other ratings |
 | Name | Pos | Bats | Age | | Avg | Pwr | Avg | Pwr | | Sac | Hit | Run | Stl | Jmp | | Injury | Clutch |
| | Robert Andino | 2b | Rsp | 33 | | .273 | Pr | .308 | Pr | | Pr | Pr | Fr | Pr | Pr | | Normal | Normal |
| | Gregor Blanco | rf | Lsp | 33 | | .242 | Fr | .218 | Fr | | Av | Ex | Ex | Av | Av | | Prone | Normal |
| | Trevor Brown | c | Rsp | 25 | | .254 | Av | .227 | Av | | Pr | Pr | Fr | Pr | Pr | | Normal | Normal |
| | Robinson Cano | 2b | Lsp | 34 | | .275 | Vg | .312 | Ex | | Pr | Pr | Pr | Pr | Pr | | Iron | Normal |
| | Daniel Castro | ss | Rsp | 24 | | .216 | Pr | .190 | Pr | | Fr | Pr | Av | Fr | Fr | | Normal | Normal |
| | Jason Castro | c | Lsp | 30 | | .149 | Fr | .231 | Vg | | Vg | Fr | Pr | Av | Fr | | Normal | Normal |
| f | Yu-Cheng Chang | ss | Rsp | 21 | | .000 | Pr | .000 | Pr | | | | | | | | Normal | Normal |
| | Corey Dickerson | lf | Lsp | 28 | | .241 | Fr | .246 | Ex | | Pr | Pr | Av | Pr | Pr | | Normal | Normal |
| | Hunter Dozier | rf | Rsp | 25 | | .125 | Fr | .273 | Pr | | Pr | Pr | Fr | Pr | Pr | | Normal | Normal |
| | Wilmer Flores | 3b | Rsp | 25 | | .340 | Ex | .232 | Fr | | Fr | Pr | Pr | Fr | Pr | | Prone | Normal |
| | Cole Gillespie | lf | Rsp | 33 | | .200 | Pr | .250 | Vg | | Pr | Pr | Av | Pr | Pr | | Normal | Normal |
| | John Jaso | 1b | Lsp | 33 | | .050 | Pr | .281 | Av | | Av | Pr | Pr | Pr | Pr | | Normal | Normal |
| f | Carter Kieboom | ss | Rsp | 19 | | .000 | Pr | .000 | Pr | | | | | | | | Normal | Normal |
| | Starling Marte | lf | Rsp | 28 | | .292 | Fr | .315 | Av | | Fr | Vg | Ex | Vg | Ex | | Prone | Normal |
| | Joe Mauer | 1b | Lsp | 34 | | .224 | Fr | .272 | Av | | Pr | Pr | Av | Vg | Pr | | Prone | Normal |
| f | Raul Mondesi | 2b | Ssp | 21 | | .146 | Pr | .202 | Av | | Ex | Av | Fr | Ex | Ex | | Normal | Normal |
| | Jordan Pacheco | 3b | Rsp | 31 | | .154 | Fr | .158 | Fr | | Pr | Pr | Av | Pr | Pr | | Normal | Normal |
| | Mike Trout | cf | Rsp | 25 | | .323 | Ex | .313 | Ex | | Pr | Pr | Vg | Ex | Vg | | Iron | Normal |
| f | Luis Valbuena | 3b | Lsp | 31 | | .267 | Av | .258 | Vg | | Av | Vg | Pr | Fr | Pr | | V-Prone | Normal |
| | Total | | | 28.1 | | .253 | | .269 | | | | | | | | | | |
| Pitchers |
| | vs. LH | vs. RH | | Bunt | Basepaths | | Endur | | On the mound | | Other ratings |
| Name | P | Thr | Age | Avg | Avg | | Sac | Hit | Run | Stl | Jmp | | SP | RP | | Hld | WP | BK | GB% | | Jam | Injury |
| | Alex Cobb | sp | R | 29 | .404 | .271 | | Pr | Pr | Pr | Pr | Pr | | Fr | | | Vg | 13 | 65 | 62 | | Normal | V-Prone |
| | Johnny Cueto | sp | R | 31 | .255 | .224 | | Av | Av | Pr | Pr | Pr | | Vg | | | Vg | 8 | 140 | 58 | | Tough | Normal |
| | John Danks | sp | L | 32 | .308 | .324 | | Pr | Pr | Pr | Pr | Pr | | Av | | | Av | 22 | 66 | 33 | | Normal | Normal |
| f | Oscar de la Cruz | sp | R | 22 | .000 | .000 | | | | | | | | | | | | 0 | 0 | 50 | | Normal | Normal |
| f | Abel de los Santos | mr | R | 24 | .455 | .182 | | Pr | Pr | Pr | Pr | Pr | | | Vg | | Fr | 79 | 90 | 36 | | Normal | Normal |
| f | Robbie Erlin | sp | L | 26 | .125 | .256 | | Pr | Pr | Pr | Pr | Pr | | Av | Ex | | Fr | 77 | 80 | 53 | | Normal | V-Prone |
| | Yovani Gallardo | sp | R | 31 | .270 | .281 | | Av | Pr | Pr | Pr | Pr | | Av | | | Av | 25 | 0 | 48 | | Normal | V-Prone |
| | Jason Hammel | sp | R | 34 | .239 | .238 | | Av | Pr | Pr | Pr | Pr | | Av | | | Fr | 29 | 0 | 49 | | Normal | Normal |
| | Boone Logan | mr | L | 32 | .142 | .211 | | Pr | Pr | Pr | Pr | Pr | | | Fr | | Vg | 48 | 37 | 60 | | Normal | Prone |
| f | Adonis Medina | sp | R | 20 | .000 | .000 | | | | | | | | | | | | 0 | 0 | 50 | | Normal | Normal |
| f | Adalberto Mejia | mr | L | 24 | 1.000 | .333 | | Pr | Pr | Pr | Pr | Pr | | | Ex | | Av | 19 | 95 | 43 | | Normal | Normal |
| f | Brandon Morrow | mr | R | 32 | .318 | .300 | | Pr | Pr | Pr | Pr | Pr | | | Av | | Av | 15 | 77 | 49 | | Normal | Normal |
| f | Nick Neidert | sp | R | 20 | .000 | .000 | | | | | | | | | | | | 0 | 0 | 50 | | Normal | Normal |
| | Ricky Nolasco | sp | R | 34 | .254 | .278 | | Pr | Pr | Pr | Pr | Pr | | Vg | | | Av | 19 | 0 | 48 | | Normal | Normal |
| f | Jarrod Parker | sp | R | 28 | .000 | .000 | | | | | | | | | | | | 0 | 0 | 0 | | Normal | Normal |
| f | Franklin Perez | sp | R | 19 | .000 | .000 | | | | | | | | | | | | 0 | 0 | 50 | | Normal | Normal |
| | David Robertson | cl | R | 32 | .212 | .252 | | Pr | Pr | Pr | Pr | Pr | | | Av | | Fr | 8 | 11 | 49 | | Normal | Normal |
| | Chaz Roe | mr | R | 30 | .286 | .138 | | Pr | Pr | Pr | Pr | Pr | | | Av | | Pr | 18 | 58 | 60 | | Normal | Normal |
| | Fernando Salas | mr | R | 32 | .237 | .227 | | Pr | Pr | Pr | Pr | Pr | | | Av | | Av | 8 | 2 | 40 | | Normal | Normal |
| | Joe Smith | mr | R | 33 | .220 | .266 | | Pr | Pr | Pr | Pr | Pr | | | Av | | Vg | 6 | 500 | 55 | | Normal | Prone |
| f | Huston Street | cl | R | 33 | .279 | .388 | | Pr | Pr | Pr | Pr | Pr | | | Av | | Fr | 13 | 65 | 40 | | Normal | V-Prone |
| | Junichi Tazawa | mr | R | 31 | .207 | .273 | | Pr | Pr | Pr | Pr | Pr | | | Av | | Fr | 43 | 30 | 39 | | Normal | Normal |
| f | Alex Torres | mr | L | 29 | .000 | .000 | | | | | | | | | | | | 100 | 100 | 50 | | Normal | Normal |
| | Rob Whalen | sp | R | 23 | .189 | .236 | | Av | Pr | Pr | Pr | Pr | | Fr | | | Pr | 20 | 63 | 47 | | Normal | Prone |
| | Total | | | 28.4 | .246 | .255 | | | | | | | | | | | | | | | | | |
| Fielding |
| | | Pitchers | | Catchers | | Infielders | | Outfielders |
| Name | P | | Def | Hld | | Def | Arm | PB | | 1b | 2b | 3b | ss | | lf | cf | rf | Arm |
| | Andino | 2b | | | | | | | | | | Av/96 | | | | Fr/98 | | | Fr |
| | Blanco,G | rf | | | | | | | | | | | | | | Av/63 | Fr/63 | Av/63 | Av |
| | Brown | c | | | | | Av/87 | Av | 4 | | | | | | | | | | |
| | Cano | 2b | | | | | | | | | | Vg/24 | | | | | | | |
| | Castro,D | ss | | | | | | | | | | Av/80 | Fr/89 | Av/75 | | | | | |
| | Castro,J | c | | | | | Av/62 | Av | 5 | | Pr/98 | | | | | | | | |
| f | Chang | ss | | | | | | | | | | | | | | | | | |
| | Cobb | sp | | Ex/121 | Vg | | | | | | | | | | | | | | |
| | Cueto | sp | | Fr/82 | Vg | | | | | | | | | | | | | | |
| | Danks | sp | | Ex/85 | Av | | | | | | | | | | | | | | |
| f | de la Cruz | sp | | | | | | | | | | | | | | | | | |
| f | de los Santos | mr | | Pr/96 | Fr | | | | | | | | | | | | | | |
| | Dickerson,C | lf | | | | | | | | | | | | | | Av/104 | | Av/104 | Fr |
| | Dozier,H | rf | | | | | | | | | | | | | | | | Vg/91 | Fr |
| f | Erlin | sp | | Fr/90 | Fr | | | | | | | | | | | | | | |
| | Flores,W | 3b | | | | | | | | | Fr/103 | Pr/117 | Fr/134 | Pr/108 | | | | | |
| | Gallardo | sp | | Av/21 | Av | | | | | | | | | | | | | | |
| | Gillespie | lf | | | | | | | | | | | | | | Av/137 | | Av/137 | Fr |
| | Hammel | sp | | Vg/48 | Fr | | | | | | | | | | | | | | |
| | Jaso | 1b | | | | | | | | | Fr/104 | | | | | | | | |
| f | Kieboom,C | ss | | | | | | | | | | | | | | | | | |
| | Logan | mr | | Ex/130 | Vg | | | | | | | | | | | | | | |
| | Marte,S | lf | | | | | | | | | | | | | | Vg/132 | Av/132 | | Ex |
| | Mauer | 1b | | | | | | | | | Av/38 | | | | | | | | |
| f | Medina,A | sp | | | | | | | | | | | | | | | | | |
| f | Mejia | mr | | Ex/98 | Av | | | | | | | | | | | | | | |
| f | Mondesi | 2b | | | | | | | | | | Av/101 | | Av/113 | | | | | |
| f | Morrow | mr | | Fr/89 | Av | | | | | | | | | | | | | | |
| f | Neidert | sp | | | | | | | | | | | | | | | | | |
| | Nolasco | sp | | Av/102 | Av | | | | | | | | | | | | | | |
| | Pacheco | 3b | | | | | | | | | Pr/98 | Fr/97 | Fr/94 | | | | | | |
| f | Parker,J | sp | | | | | | | | | | | | | | | | | |
| f | Perez,F | sp | | | | | | | | | | | | | | | | | |
| | Robertson,Dav | cl | | Fr/58 | Fr | | | | | | | | | | | | | | |
| | Roe | mr | | Fr/89 | Pr | | | | | | | | | | | | | | |
| | Salas | mr | | Fr/67 | Av | | | | | | | | | | | | | | |
| | Smith,Joe | mr | | Av/79 | Vg | | | | | | | | | | | | | | |
| f | Street | cl | | Ex/85 | Fr | | | | | | | | | | | | | | |
| | Tazawa | mr | | Av/160 | Fr | | | | | | | | | | | | | | |
| f | Torres,A | mr | | | | | | | | | | | | | | | | | |
| | Trout | cf | | | | | | | | | | | | | | | Vg/77 | | Fr |
| f | Valbuena | 3b | | | | | | | | | Fr/88 | | Av/69 | | | | | | |
| | Whalen | sp | | Ex/124 | Pr | | | | | | | | | | | | | | |
| Contract |
| | | Disabled list | | Contract |
| Name | P | Bats | Thr | Age | | %Act | %Dis | | Salary | Year |
| | Robert Andino | 2b | Rsp | R | 33 | | 19 | 0 | | 600 | 0 |
| | Gregor Blanco | rf | Lsp | L | 33 | | 85 | 15 | | 3900 | 0 |
| | Trevor Brown | c | Rsp | R | 25 | | 100 | 0 | | 508 | 0 |
| | Robinson Cano | 2b | Lsp | R | 34 | | 100 | 0 | | 24000 | 0 |
| | Daniel Castro | ss | Rsp | R | 24 | | 48 | 0 | | 508 | 0 |
| | Jason Castro | c | Lsp | R | 30 | | 98 | 0 | | 5000 | 0 |
| f | Yu-Cheng Chang | ss | Rsp | R | 21 | | 100 | 0 | | 0 | 0 |
| | Alex Cobb | sp | Rp | R | 29 | | 20 | 80 | | 4000 | 0 |
| | Johnny Cueto | sp | Rsp | R | 31 | | 96 | 4 | | 17500 | 0 |
| | John Danks | sp | Lp | L | 32 | | 16 | 0 | | 15750 | 0 |
| f | Oscar de la Cruz | sp | Rsp | R | 22 | | 100 | 0 | | 0 | 0 |
| f | Abel de los Santos | mr | Rp | R | 24 | | 12 | 0 | | 508 | 0 |
| | Corey Dickerson | lf | Lsp | R | 28 | | 100 | 0 | | 523 | 0 |
| | Hunter Dozier | rf | Rsp | R | 25 | | 18 | 0 | | 508 | 0 |
| f | Robbie Erlin | sp | Rsp | L | 26 | | 7 | 91 | | 516 | 0 |
| | Wilmer Flores | 3b | Rsp | R | 25 | | 78 | 22 | | 526 | 0 |
| | Yovani Gallardo | sp | Rsp | R | 31 | | 69 | 31 | | 9000 | 0 |
| | Cole Gillespie | lf | Rsp | R | 33 | | 50 | 0 | | 604 | 0 |
| | Jason Hammel | sp | Rsp | R | 34 | | 98 | 0 | | 9000 | 0 |
| | John Jaso | 1b | Lsp | R | 33 | | 100 | 0 | | 4000 | 0 |
| f | Carter Kieboom | ss | Rsp | R | 19 | | 100 | 0 | | 0 | 0 |
| | Boone Logan | mr | Rp | L | 32 | | 93 | 7 | | 6250 | 0 |
| | Starling Marte | lf | Rsp | R | 28 | | 86 | 12 | | 3333 | 0 |
| | Joe Mauer | 1b | Lsp | R | 34 | | 89 | 11 | | 23000 | 0 |
| f | Adonis Medina | sp | Rsp | R | 20 | | 100 | 0 | | 0 | 0 |
| f | Adalberto Mejia | mr | Rp | L | 24 | | 1 | 0 | | 508 | 0 |
| f | Raul Mondesi | 2b | Ssp | R | 21 | | 40 | 0 | | 508 | 0 |
| f | Brandon Morrow | mr | Rp | R | 32 | | 27 | 0 | | 1500 | 0 |
| f | Nick Neidert | sp | Rsp | R | 20 | | 100 | 0 | | 0 | 0 |
| | Ricky Nolasco | sp | Rsp | R | 34 | | 99 | 0 | | 12000 | 0 |
| | Jordan Pacheco | 3b | Rsp | R | 31 | | 40 | 4 | | 508 | 0 |
| f | Jarrod Parker | sp | Rsp | R | 28 | | 100 | 0 | | 495 | 0 |
| f | Franklin Perez | sp | Rsp | R | 19 | | 100 | 0 | | 0 | 0 |
| | David Robertson | cl | Rp | R | 32 | | 94 | 4 | | 11000 | 0 |
| | Chaz Roe | mr | Rp | R | 30 | | 46 | 0 | | 720 | 0 |
| | Fernando Salas | mr | Rp | R | 32 | | 100 | 0 | | 2400 | 0 |
| | Joe Smith | mr | Rp | R | 33 | | 77 | 23 | | 5250 | 0 |
| f | Huston Street | cl | Rp | R | 33 | | 48 | 52 | | 8000 | 0 |
| | Junichi Tazawa | mr | Rp | R | 31 | | 96 | 4 | | 3375 | 0 |
| f | Alex Torres | mr | Lsp | L | 29 | | 0 | 0 | | 523 | 0 |
| | Mike Trout | cf | Rsp | R | 25 | | 100 | 0 | | 16083 | 0 |
| f | Luis Valbuena | 3b | Lsp | R | 31 | | 62 | 38 | | 6125 | 0 |
| | Rob Whalen | sp | Rsp | R | 23 | | 13 | 21 | | 508 | 0 |
| | Total | | | | 28.2 | | | | | 199037 | |