| # | player | age | pos | ba | tbc+ | g | ab | r | h | 2b | 3b | hr | rbi | sb | cs | bb | so | hbp | sh | sf | ibb | gdp | tb | pa | xbh | 1b | avg | obp | slg | ops | seca | iso | babip | bb% | so% | so/bb | ab/hr | draft info | status | cur-org | cur-lev | hilvl | mlb years | stat years | year |
| 15 | Kyle Seager | 25 | 3B | L | 107 | 160 | 615 | 79 | 160 | 32 | 2 | 22 | 69 | 9 | 3 | 68 | 122 | 7 | 0 | 5 | 1 | 8 | 262 | 695 | 56 | 104 | .260 | .338 | .426 | .764 | .286 | .166 | .290 | 9.78 | 17.55 | 1.79 | 27.95 | 2009- 3- 82-SEA | premium | premium | premium | MLB | 2011-2021 | 2007-2021 | 2013 |
| 8 | Kendrys Morales | 30 | DH | B | 109 | 156 | 602 | 64 | 167 | 34 | 0 | 23 | 80 | 0 | 0 | 49 | 114 | 5 | 0 | 1 | 6 | 21 | 270 | 657 | 57 | 110 | .277 | .336 | .449 | .785 | .252 | .172 | .309 | 7.46 | 17.35 | 2.33 | 26.17 | 2014- UDFA -ANA | premium | premium | premium | MLB | 2006-2019 | 2002-2019 | 2013 |
| 28 | Raul Ibanez | 41 | LF | L | 109 | 124 | 454 | 54 | 110 | 20 | 2 | 29 | 65 | 0 | 0 | 42 | 128 | 0 | 0 | 0 | 1 | 8 | 221 | 496 | 51 | 59 | .242 | .306 | .487 | .793 | .337 | .245 | .273 | 8.47 | 25.81 | 3.05 | 15.66 | 1992- 36-1006-SEA | premium | premium | premium | MLB | 1996-2014 | 1992-2014 | 2013 |
| 17 | Justin Smoak | 26 | 1B | B | 105 | 131 | 454 | 53 | 108 | 19 | 0 | 20 | 50 | 0 | 0 | 64 | 119 | 2 | 0 | 1 | 1 | 11 | 187 | 521 | 39 | 69 | .238 | .334 | .412 | .746 | .315 | .174 | .278 | 12.28 | 22.84 | 1.86 | 22.70 | 2008- 1- 11-TEX | premium | premium | premium | MLB | 2010-2020 | 2006-2021 | 2013 |
| 55 | Michael Saunders | 26 | CF | L | 101 | 132 | 406 | 59 | 96 | 23 | 3 | 12 | 46 | 13 | 5 | 54 | 118 | 1 | 1 | 6 | 4 | 6 | 161 | 468 | 38 | 58 | .236 | .323 | .397 | .720 | .313 | .161 | .298 | 11.54 | 25.21 | 2.19 | 33.83 | 2004- 11- 333-SEA | premium | premium | premium | MLB | 2009-2017 | 2005-2018 | 2013 |
| 13 | Dustin Ackley | 25 | 2B-CF | L | 94 | 113 | 384 | 40 | 97 | 18 | 2 | 4 | 31 | 2 | 3 | 37 | 72 | 1 | 4 | 1 | 1 | 6 | 131 | 427 | 24 | 73 | .253 | .319 | .341 | .660 | .182 | .088 | .301 | 8.67 | 16.86 | 1.95 | 96.00 | 2009- 1- 2-SEA | premium | premium | premium | MLB | 2011-2016 | 2007-2018 | 2013 |
| 20 | Nick Franklin | 22 | 2B | B | 97 | 102 | 369 | 38 | 83 | 20 | 1 | 12 | 45 | 6 | 1 | 42 | 113 | 0 | 0 | 1 | 1 | 2 | 141 | 412 | 33 | 50 | .225 | .303 | .382 | .685 | .285 | .157 | .290 | 10.19 | 27.43 | 2.69 | 30.75 | 2009- 1- 27-SEA | premium | premium | premium | MLB | 2013-2018 | 2009-2022 | 2013 |
| 5 | Brad Miller | 23 | SS | L | 102 | 76 | 306 | 41 | 81 | 11 | 6 | 8 | 36 | 5 | 3 | 24 | 52 | 1 | 2 | 2 | 0 | 2 | 128 | 335 | 25 | 56 | .265 | .318 | .418 | .736 | .239 | .153 | .294 | 7.16 | 15.52 | 2.17 | 38.25 | 2011- 2- 62-SEA | premium | premium | premium | MLB | 2013-2023 | 2008-2023 | 2013 |
| 38 | Michael Morse | 31 | RF | R | 91 | 76 | 283 | 31 | 64 | 13 | 0 | 13 | 27 | 0 | 0 | 20 | 80 | 3 | 0 | 1 | 1 | 10 | 116 | 307 | 26 | 38 | .226 | .283 | .410 | .693 | .254 | .184 | .267 | 6.51 | 26.06 | 4.00 | 21.77 | 2000- 3- 82-CHA | premium | premium | premium | MLB | 2005-2017 | 2000-2017 | 2013 |
| 9 | Endy Chavez | 35 | RF | L | 85 | 97 | 266 | 22 | 71 | 10 | 0 | 2 | 14 | 1 | 3 | 9 | 31 | 0 | 3 | 1 | 1 | 9 | 87 | 279 | 12 | 59 | .267 | .290 | .327 | .617 | .086 | .060 | .295 | 3.23 | 11.11 | 3.44 | 133.00 | 1996- UDFA -NYN | premium | premium | premium | MLB | 2001-2014 | 1997-2018 | 2013 |
| 26 | Brendan Ryan | 31 | SS | R | 76 | 87 | 260 | 23 | 50 | 10 | 0 | 3 | 21 | 4 | 2 | 21 | 60 | 1 | 4 | 1 | 1 | 11 | 69 | 287 | 13 | 37 | .192 | .254 | .265 | .519 | .162 | .073 | .237 | 7.32 | 20.91 | 2.86 | 86.67 | 2003- 7- 215-SLN | premium | premium | premium | MLB | 2007-2016 | 2003-2017 | 2013 |
| 12 | Jason Bay | 34 | LF-RF | R | 98 | 68 | 206 | 30 | 42 | 6 | 0 | 11 | 20 | 3 | 1 | 26 | 62 | 2 | 1 | 1 | 1 | 6 | 81 | 236 | 17 | 25 | .204 | .298 | .393 | .691 | .325 | .189 | .231 | 11.02 | 26.27 | 2.38 | 18.73 | 2000- 22- 645-MON | premium | premium | premium | MLB | 2003-2013 | 1999-2013 | 2013 |
| 3 | Mike Zunino | 22 | C | R | 89* | 52 | 173 | 22 | 37 | 5 | 0 | 5 | 14 | 1 | 0 | 16 | 49 | 3 | 0 | 1 | 0 | 5 | 57 | 193 | 10 | 27 | .214 | .290 | .329 | .619 | .214 | .115 | .267 | 8.29 | 25.39 | 3.06 | 34.60 | 2012- 1- 3-SEA | premium | premium | premium | MLB | 2013-2023 | 2010-2023 | 2013 |
| 21 | Franklin Gutierrez | 30 | RF-CF | R | 107* | 41 | 145 | 18 | 36 | 7 | 0 | 10 | 24 | 3 | 1 | 5 | 43 | 0 | 1 | 0 | 0 | 2 | 73 | 151 | 17 | 19 | .248 | .273 | .503 | .776 | .303 | .255 | .283 | 3.31 | 28.48 | 8.60 | 14.50 | 2000- UDFA -LAN | premium | premium | premium | MLB | 2005-2017 | 2001-2017 | 2013 |
| 7 | Kelly Shoppach | 33 | C | R | 89* | 35 | 107 | 11 | 21 | 7 | 0 | 3 | 9 | 0 | 0 | 12 | 45 | 3 | 2 | 1 | 1 | 0 | 37 | 125 | 10 | 11 | .196 | .293 | .346 | .639 | .262 | .150 | .300 | 9.60 | 36.00 | 3.75 | 35.67 | 2001- 2- 48-BOS | premium | premium | premium | MLB | 2005-2013 | 1999-2013 | 2013 |
| 63 | Jesus Montero | 23 | C | R | 82* | 29 | 101 | 6 | 21 | 1 | 1 | 3 | 9 | 0 | 1 | 8 | 21 | 0 | 0 | 1 | 0 | 2 | 33 | 110 | 5 | 16 | .208 | .264 | .327 | .591 | .188 | .119 | .231 | 7.27 | 19.09 | 2.63 | 33.67 | 2006- UDFA -NYA | premium | premium | premium | MLB | 2011-2015 | 2007-2018 | 2013 |
| 33 | Henry Blanco | 41 | C | R | 70* | 35 | 96 | 8 | 12 | 2 | 0 | 3 | 14 | 0 | 0 | 10 | 26 | 1 | 0 | 0 | 0 | 2 | 23 | 107 | 5 | 7 | .125 | .215 | .240 | .455 | .219 | .115 | .134 | 9.35 | 24.30 | 2.60 | 32.00 | 1989- UDFA -LAN | premium | premium | premium | MLB | 1997-2013 | 1990-2013 | 2013 |
| 3 | Robert Andino | 29 | SS | R | 29 | 76 | 5 | 14 | 4 | 0 | 0 | 4 | 0 | 0 | 7 | 27 | 0 | 2 | 0 | 0 | 3 | 18 | 85 | 4 | 10 | .184 | .253 | .237 | .490 | .145 | .053 | .286 | 8.24 | 31.76 | 3.86 | 0.00 | 2002- 2- 52-MIA | premium | premium | premium | MLB | 2005-2016 | 2002-2017 | 2013 | |
| 36 | Abraham Almonte | 24 | CF | B | 25 | 72 | 10 | 19 | 4 | 0 | 2 | 9 | 1 | 0 | 6 | 21 | 0 | 2 | 2 | 0 | 2 | 29 | 82 | 6 | 13 | .264 | .313 | .403 | .716 | .236 | .139 | .333 | 7.32 | 25.61 | 3.50 | 36.00 | 2005- UDFA -NYA | premium | premium | premium | MLB | 2013-2023 | 2007-2025 | 2013 | |
| 35 | Humberto Quintero | 33 | C | R | 89* | 22 | 67 | 5 | 15 | 1 | 0 | 2 | 4 | 0 | 0 | 3 | 15 | 0 | 2 | 0 | 0 | 3 | 22 | 72 | 3 | 12 | .224 | .257 | .328 | .585 | .149 | .104 | .260 | 4.17 | 20.83 | 5.00 | 33.50 | 1997- UDFA -CHA | premium | premium | premium | MLB | 2003-2014 | 1999-2016 | 2013 |
| 1 | Carlos Triunfel | 23 | SS | R | 17 | 44 | 1 | 6 | 1 | 0 | 0 | 2 | 0 | 0 | 0 | 11 | 1 | 1 | 1 | 0 | 1 | 7 | 47 | 1 | 5 | .136 | .152 | .159 | .311 | .023 | .023 | .176 | 0.00 | 23.40 | 0.00 | 0.00 | 2006- UDFA -SEA | premium | premium | premium | MLB | 2012-2014 | 2007-2018 | 2013 | |
| 2 | Jesus Sucre | 25 | C | R | 8 | 26 | 1 | 5 | 0 | 0 | 0 | 3 | 0 | 0 | 2 | 1 | 0 | 0 | 1 | 0 | 2 | 5 | 29 | 0 | 5 | .192 | .241 | .192 | .433 | .077 | .000 | .192 | 6.90 | 3.45 | 0.50 | 0.00 | 2005- UDFA -ATL | premium | premium | premium | MLB | 2013-2019 | 2007-2022 | 2013 | |
| 16 | Alex Liddi | 24 | 1B | R | 8 | 17 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 7 | 0 | 0 | 0 | 0 | 0 | 2 | 18 | 1 | 0 | .059 | .111 | .118 | .229 | .118 | .059 | .100 | 5.56 | 38.89 | 7.00 | 0.00 | 2005- UDFA -SEA | premium | premium | premium | MLB | 2011-2013 | 2006-2024 | 2013 | |
| 4 | Carlos Peguero | 26 | RF | L | 2 | 6 | 1 | 2 | 0 | 0 | 1 | 1 | 1 | 0 | 1 | 2 | 0 | 0 | 0 | 1 | 0 | 5 | 7 | 1 | 1 | .333 | .429 | .833 | 1.262 | .833 | .500 | .333 | 14.29 | 28.57 | 2.00 | 6.00 | 2005- UDFA -SEA | premium | premium | premium | MLB | 2011-2015 | 2006-2025 | 2013 | |
| 23 | Joe Saunders | 32 | P | L | 33 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 6 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 33.33 | 0.00 | 0.00 | 2002- 1- 12-ANA | premium | premium | premium | MLB | 2005-2014 | 2000-2015 | 2013 | |
| # | player | age | pos | ba | tbc+ | g | ab | r | h | 2b | 3b | hr | rbi | sb | cs | bb | so | hbp | sh | sf | ibb | gdp | tb | pa | xbh | 1b | avg | obp | slg | ops | seca | iso | babip | bb% | so% | so/bb | ab/hr | draft info | status | cur-org | cur-lev | hilvl | mlb years | stat years | year |
| 34 | Felix Hernandez | 27 | P | R | 31 | 5 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 0 | .000 | .167 | .000 | .167 | .200 | .000 | .000 | 16.67 | 50.00 | 3.00 | 0.00 | 2002- UDFA -SEA | premium | premium | premium | MLB | 2005-2019 | 2003-2019 | 2013 | |
| 39 | Aaron Harang | 35 | P | R | 22 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 75.00 | 0.00 | 0.00 | 1999- 6- 195-TEX | premium | premium | premium | MLB | 2002-2015 | 1999-2015 | 2013 | |
| 18 | Hisashi Iwakuma | 32 | P | R | 33 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 66.67 | 0.00 | 0.00 | 2012- UDFA -SEA | premium | premium | premium | MLB | 2012-2017 | 2002-2018 | 2013 | |
| 32 | Jeremy Bonderman | 30 | P | R | 7 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 100.00 | 0.00 | 0.00 | 2001- 1- 26-OAK | premium | premium | premium | MLB | 2003-2013 | 2002-2013 | 2013 | |
| 65 | Brandon Bantz | 26 | C | R | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 50.00 | 0.00 | 0.00 | 2009- 30- 893-SEA | premium | premium | premium | MLB | 2013-2013 | 2006-2015 | 2013 | |
| 50 | Erasmo Ramirez | 23 | P | R | 14 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 0.00 | 0.00 | 0.00 | 2007- UDFA -SEA | premium | premium | premium | MLB | 2012-2025 | 2010-2025 | 2013 | |
| 65 | James Paxton | 24 | P | L | 4 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | .000 | .500 | .000 | .500 | 1.000 | .000 | .000 | 50.00 | 50.00 | 1.00 | 0.00 | 2010- 4- 132-SEA | premium | premium | premium | MLB | 2013-2024 | 2007-2024 | 2013 | |
| Totals: | 2177 | 5558 | 624 | 1318 | 249 | 17 | 188 | 597 | 49 | 23 | 529 | 1353 | 31 | 26 | 28 | 21 | 122 | 2165 | 6172 | 454 | 864 | .237 | .306 | .390 | .695 | .252 | .152 | .279 | 8.57 | 21.92 | 2.56 | 29.56 | premium | premium | premium |
| # | player | age | th | w | l | era | g | gs | cg | sho | gr | gf | sv | ip | h | r | er | hr | bb | so | wp | bk | hb | whip | h9 | hr9 | bb9 | so9 | ra9 | so/bb | draft info | status | cur-org | cur-lev | hilvl | mlb years | stat years | year |
| 37 | Brandon Maurer | 22 | R | 5 | 8 | 6.30 | 22 | 14 | 0 | 0 | 8 | 3 | 0 | 90.0 | 114 | 66 | 63 | 16 | 27 | 70 | 9 | 0 | 6 | 1.57 | 11.40 | 1.60 | 2.70 | 7.00 | 6.60 | 2.59 | 2008- 23- 702-SEA | premium | premium | premium | MLB | 2013-2018 | 2008-2019 | 2013 |
| 57 | Chance Ruffin | 24 | R | 0 | 2 | 8.38 | 9 | 0 | 0 | 0 | 9 | 1 | 0 | 9.2 | 14 | 10 | 9 | 3 | 5 | 15 | 1 | 0 | 2 | 1.97 | 13.03 | 2.79 | 4.66 | 13.97 | 9.31 | 3.00 | 2010- 1- 48-DET | premium | premium | premium | MLB | 2011-2013 | 2008-2014 | 2013 |
| 50 | Erasmo Ramirez | 23 | R | 5 | 3 | 4.98 | 14 | 13 | 0 | 0 | 1 | 0 | 0 | 72.1 | 79 | 44 | 40 | 12 | 26 | 57 | 0 | 0 | 3 | 1.45 | 9.83 | 1.49 | 3.24 | 7.09 | 5.47 | 2.19 | 2007- UDFA -SEA | premium | premium | premium | MLB | 2012-2025 | 2010-2025 | 2013 |
| 46 | Stephen Pryor | 23 | R | 0 | 0 | 0.00 | 7 | 0 | 0 | 0 | 7 | 2 | 0 | 7.1 | 3 | 0 | 0 | 0 | 1 | 7 | 0 | 0 | 0 | 0.55 | 3.68 | 0.00 | 1.23 | 8.59 | 0.00 | 7.00 | 2010- 5- 162-SEA | premium | premium | premium | MLB | 2012-2014 | 2010-2015 | 2013 |
| 31 | Yoervis Medina | 24 | R | 4 | 6 | 2.91 | 63 | 0 | 0 | 0 | 63 | 19 | 1 | 68.0 | 49 | 22 | 22 | 5 | 40 | 71 | 8 | 0 | 4 | 1.31 | 6.49 | 0.66 | 5.29 | 9.40 | 2.91 | 1.78 | 2005- UDFA -SEA | premium | premium | premium | MLB | 2013-2015 | 2010-2016 | 2013 |
| 41 | Charlie Furbush | 27 | L | 2 | 6 | 3.74 | 71 | 0 | 0 | 0 | 71 | 5 | 0 | 65.0 | 48 | 33 | 27 | 5 | 29 | 80 | 3 | 0 | 3 | 1.18 | 6.65 | 0.69 | 4.02 | 11.08 | 4.57 | 2.76 | 2007- 4- 151-DET | premium | premium | premium | MLB | 2011-2015 | 2005-2016 | 2013 |
| 31 | Kameron Loe | 31 | R | 1 | 1 | 10.80 | 4 | 0 | 0 | 0 | 4 | 1 | 0 | 6.2 | 11 | 8 | 8 | 6 | 1 | 3 | 0 | 0 | 0 | 1.80 | 14.85 | 8.10 | 1.35 | 4.05 | 10.80 | 3.00 | 2002- 20- 592-TEX | premium | premium | premium | MLB | 2004-2013 | 2000-2017 | 2013 |
| 54 | Tom Wilhelmsen | 29 | R | 0 | 3 | 4.12 | 59 | 0 | 0 | 0 | 59 | 40 | 24 | 59.0 | 45 | 28 | 27 | 2 | 33 | 45 | 6 | 0 | 1 | 1.32 | 6.86 | 0.31 | 5.03 | 6.86 | 4.27 | 1.36 | 2002- 7- 199-MIL | premium | premium | premium | MLB | 2011-2017 | 2003-2018 | 2013 |
| 58 | Carter Capps | 22 | R | 3 | 3 | 5.49 | 53 | 0 | 0 | 0 | 53 | 11 | 0 | 59.0 | 73 | 37 | 36 | 12 | 23 | 66 | 5 | 0 | 2 | 1.63 | 11.14 | 1.83 | 3.51 | 10.07 | 5.64 | 2.87 | 2011- 3- 121-SEA | premium | premium | premium | MLB | 2012-2017 | 2011-2018 | 2013 |
| 40 | Danny Farquhar | 26 | R | 0 | 3 | 4.20 | 46 | 0 | 0 | 0 | 46 | 27 | 16 | 55.2 | 44 | 29 | 26 | 2 | 22 | 79 | 2 | 1 | 0 | 1.19 | 7.11 | 0.32 | 3.56 | 12.77 | 4.69 | 3.59 | 2008- 10- 309-TOR | premium | premium | premium | MLB | 2011-2018 | 2006-2019 | 2013 |
| 59 | Oliver Perez | 31 | L | 3 | 3 | 3.74 | 61 | 0 | 0 | 0 | 61 | 22 | 2 | 53.0 | 50 | 23 | 22 | 6 | 26 | 74 | 1 | 0 | 1 | 1.43 | 8.49 | 1.02 | 4.42 | 12.57 | 3.91 | 2.85 | 1999- UDFA -SDN | premium | premium | premium | MLB | 2002-2022 | 1999-2023 | 2013 |
| 49 | Blake Beavan | 24 | R | 0 | 2 | 6.13 | 12 | 2 | 0 | 0 | 10 | 4 | 0 | 39.2 | 46 | 27 | 27 | 8 | 8 | 27 | 0 | 0 | 1 | 1.36 | 10.44 | 1.82 | 1.82 | 6.13 | 6.13 | 3.38 | 2007- 1- 17-TEX | premium | premium | premium | MLB | 2011-2014 | 2008-2017 | 2013 |
| 32 | Jeremy Bonderman | 30 | R | 1 | 3 | 4.93 | 7 | 7 | 0 | 0 | 0 | 0 | 0 | 38.1 | 40 | 23 | 21 | 4 | 17 | 16 | 2 | 0 | 2 | 1.49 | 9.39 | 0.94 | 3.99 | 3.76 | 5.40 | 0.94 | 2001- 1- 26-OAK | premium | premium | premium | MLB | 2003-2013 | 2002-2013 | 2013 |
| 44 | Lucas Luetge | 26 | L | 1 | 3 | 4.86 | 35 | 0 | 0 | 0 | 35 | 15 | 0 | 37.0 | 42 | 22 | 20 | 2 | 16 | 27 | 4 | 0 | 2 | 1.57 | 10.22 | 0.49 | 3.89 | 6.57 | 5.35 | 1.69 | 2008- 21- 638-MIL | premium | premium | premium | MLB | 2012-2023 | 2008-2024 | 2013 |
| 45 | Hector Noesi | 26 | R | 0 | 1 | 6.59 | 12 | 1 | 0 | 0 | 11 | 4 | 0 | 27.1 | 42 | 21 | 20 | 3 | 12 | 21 | 2 | 0 | 1 | 1.98 | 13.83 | 0.99 | 3.95 | 6.91 | 6.91 | 1.75 | 2004- UDFA -NYA | premium | premium | premium | MLB | 2011-2019 | 2006-2019 | 2013 |
| 65 | James Paxton | 24 | L | 3 | 0 | 1.50 | 4 | 4 | 0 | 0 | 0 | 0 | 0 | 24.0 | 15 | 5 | 4 | 2 | 7 | 21 | 0 | 0 | 0 | 0.92 | 5.63 | 0.75 | 2.63 | 7.88 | 1.88 | 3.00 | 2010- 4- 132-SEA | premium | premium | premium | MLB | 2013-2024 | 2007-2024 | 2013 |
| 18 | Hisashi Iwakuma | 32 | R | 14 | 6 | 2.66 | 33 | 33 | 0 | 0 | 0 | 0 | 0 | 219.2 | 179 | 69 | 65 | 25 | 42 | 185 | 10 | 0 | 2 | 1.01 | 7.33 | 1.02 | 1.72 | 7.58 | 2.83 | 4.40 | 2012- UDFA -SEA | premium | premium | premium | MLB | 2012-2017 | 2002-2018 | 2013 |
| 34 | Felix Hernandez | 27 | R | 12 | 10 | 3.04 | 31 | 31 | 0 | 0 | 0 | 0 | 0 | 204.1 | 185 | 74 | 69 | 15 | 46 | 216 | 13 | 0 | 3 | 1.13 | 8.15 | 0.66 | 2.03 | 9.51 | 3.26 | 4.70 | 2002- UDFA -SEA | premium | premium | premium | MLB | 2005-2019 | 2003-2019 | 2013 |
| 23 | Joe Saunders | 32 | L | 11 | 16 | 5.26 | 32 | 32 | 2 | 0 | 0 | 0 | 0 | 183.0 | 232 | 117 | 107 | 25 | 61 | 107 | 5 | 0 | 4 | 1.60 | 11.41 | 1.23 | 3.00 | 5.26 | 5.75 | 1.75 | 2002- 1- 12-ANA | premium | premium | premium | MLB | 2005-2014 | 2000-2015 | 2013 |
| 27 | Taijuan Walker | 20 | R | 1 | 0 | 3.60 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 15.0 | 11 | 7 | 6 | 0 | 4 | 12 | 0 | 0 | 0 | 1.00 | 6.60 | 0.00 | 2.40 | 7.20 | 4.20 | 3.00 | 2010- 1- 43-SEA | premium | premium | premium | MLB | 2013-2025 | 2010-2025 | 2013 |
| 39 | Aaron Harang | 35 | R | 5 | 11 | 5.76 | 22 | 22 | 2 | 2 | 0 | 0 | 0 | 120.1 | 133 | 81 | 77 | 21 | 28 | 87 | 3 | 0 | 5 | 1.34 | 9.95 | 1.57 | 2.09 | 6.51 | 6.06 | 3.11 | 1999- 6- 195-TEX | premium | premium | premium | MLB | 2002-2015 | 1999-2015 | 2013 |
| 30 | Bobby LaFromboise | 27 | L | 0 | 1 | 5.91 | 10 | 0 | 0 | 0 | 10 | 4 | 0 | 10.2 | 12 | 8 | 7 | 0 | 4 | 11 | 0 | 0 | 0 | 1.50 | 10.12 | 0.00 | 3.37 | 9.28 | 6.75 | 2.75 | 2008- 8- 252-SEA | premium | premium | premium | MLB | 2013-2015 | 2007-2017 | 2013 |
| Totals: | 71 | 91 | 4.32 | 610 | 162 | 4 | 2 | 158 | 448 | 43 | 1465.0 | 1467 | 754 | 703 | 174 | 478 | 1297 | 74 | 1 | 42 | 1.33 | 9.01 | 1.07 | 2.94 | 7.97 | 4.63 | 2.71 | premium | premium | premium |