| # | 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 |
| 3 | Jordy Lara | 24 | 3B | R | 97 | 123 | 443 | 48 | 107 | 27 | 6 | 7 | 56 | 0 | 0 | 37 | 85 | 8 | 0 | 5 | 0 | 21 | 167 | 493 | 40 | 67 | .242 | .308 | .377 | .685 | .219 | .135 | .281 | 7.51 | 17.24 | 2.30 | 63.29 | 2008- UDFA -SEA | premium | premium | premium | AA | 2010-2016 | 2015 | |
| 7 | Tyler Smith | 23 | SS | R | 104 | 121 | 443 | 40 | 120 | 24 | 2 | 3 | 32 | 10 | 4 | 61 | 85 | 3 | 11 | 2 | 0 | 13 | 157 | 520 | 29 | 91 | .271 | .361 | .354 | .715 | .235 | .083 | .328 | 11.73 | 16.35 | 1.39 | 147.67 | 2013- 8- 237-SEA | premium | premium | premium | MLB | 2017-2017 | 2010-2018 | 2015 |
| 33 | D.J. Peterson | 23 | 1B | R | 92 | 93 | 358 | 39 | 80 | 19 | 2 | 7 | 44 | 5 | 0 | 31 | 90 | 3 | 0 | 1 | 0 | 13 | 124 | 393 | 28 | 52 | .223 | .290 | .346 | .636 | .223 | .123 | .279 | 7.89 | 22.90 | 2.90 | 51.14 | 2013- 1- 12-SEA | premium | premium | premium | AAA | 2011-2022 | 2015 | |
| 16 | Ian Miller | 23 | CF | L | 90 | 87 | 347 | 40 | 88 | 13 | 5 | 0 | 23 | 29 | 13 | 29 | 53 | 1 | 3 | 4 | 2 | 8 | 111 | 384 | 18 | 70 | .254 | .310 | .320 | .630 | .196 | .066 | .295 | 7.55 | 13.80 | 1.83 | 0.00 | 2013- 14- 417-SEA | premium | premium | premium | MLB | 2019-2020 | 2011-2021 | 2015 |
| 2 | Daniel Paolini | 25 | 1B | R | 105 | 93 | 314 | 34 | 85 | 13 | 2 | 4 | 37 | 5 | 3 | 42 | 66 | 6 | 2 | 5 | 0 | 8 | 114 | 369 | 19 | 66 | .271 | .362 | .363 | .725 | .232 | .092 | .325 | 11.38 | 17.89 | 1.57 | 78.50 | 2011- 10- 303-SEA | premium | premium | premium | AAA | 2009-2016 | 2015 | |
| 5 | Jabari Henry | 24 | LF | R | 92 | 91 | 288 | 35 | 49 | 15 | 3 | 10 | 38 | 6 | 0 | 44 | 99 | 2 | 3 | 0 | 0 | 5 | 100 | 337 | 28 | 21 | .170 | .284 | .347 | .631 | .351 | .177 | .218 | 13.06 | 29.38 | 2.25 | 28.80 | 2012- 18- 551-SEA | premium | premium | premium | AA | 2010-2025 | 2015 | |
| 8 | Tyler Bortnick | 27 | 2B | R | 104 | 65 | 222 | 18 | 61 | 11 | 1 | 2 | 27 | 12 | 5 | 25 | 38 | 3 | 2 | 0 | 0 | 11 | 80 | 252 | 14 | 47 | .275 | .356 | .360 | .716 | .230 | .085 | .324 | 9.92 | 15.08 | 1.52 | 111.00 | 2009- 16- 499-TBA | premium | premium | premium | AAA | 2006-2018 | 2015 | |
| 0 | Dario Pizzano | 24 | LF | L | 115 | 58 | 221 | 26 | 68 | 13 | 4 | 4 | 33 | 2 | 0 | 19 | 20 | 2 | 0 | 1 | 3 | 5 | 101 | 243 | 21 | 47 | .308 | .366 | .457 | .823 | .244 | .149 | .323 | 7.82 | 8.23 | 1.05 | 55.25 | 2012- 15- 461-SEA | premium | premium | premium | AAA | 2010-2021 | 2015 | |
| 19 | Jabari Blash | 25 | RF | R | 126 | 60 | 209 | 38 | 58 | 16 | 2 | 10 | 34 | 5 | 0 | 31 | 60 | 6 | 0 | 2 | 0 | 7 | 108 | 248 | 28 | 30 | .278 | .383 | .517 | .900 | .411 | .239 | .340 | 12.50 | 24.19 | 1.94 | 20.90 | 2010- 8- 252-SEA | premium | premium | premium | MLB | 2016-2018 | 2010-2020 | 2015 |
| 29 | Jack Reinheimer | 22 | SS | R | 102 | 48 | 202 | 25 | 56 | 10 | 1 | 1 | 16 | 12 | 1 | 14 | 39 | 0 | 2 | 1 | 0 | 7 | 71 | 219 | 12 | 44 | .277 | .323 | .351 | .674 | .198 | .074 | .337 | 6.39 | 17.81 | 2.79 | 202.00 | 2013- 5- 147-SEA | premium | premium | premium | MLB | 2017-2018 | 2011-2025 | 2015 |
| 21 | Zach Shank | 24 | 2B-CF | R | 100 | 60 | 197 | 23 | 49 | 7 | 6 | 0 | 10 | 5 | 1 | 19 | 50 | 8 | 2 | 1 | 0 | 5 | 68 | 227 | 13 | 36 | .249 | .338 | .345 | .683 | .213 | .096 | .331 | 8.37 | 22.03 | 2.63 | 0.00 | 2013- 28- 837-SEA | premium | premium | premium | AAA | 2010-2019 | 2015 | |
| 6 | Marcus Littlewood | 23 | C | B | 97 | 58 | 195 | 21 | 45 | 10 | 0 | 7 | 25 | 1 | 2 | 22 | 41 | 0 | 1 | 3 | 0 | 6 | 76 | 221 | 17 | 28 | .231 | .305 | .390 | .695 | .267 | .159 | .253 | 9.95 | 18.55 | 1.86 | 27.86 | 2010- 2- 67-SEA | premium | premium | premium | AAA | 2011-2018 | 2015 | |
| 30 | Tyler Marlette | 22 | C | R | 97 | 50 | 178 | 15 | 46 | 13 | 1 | 3 | 12 | 0 | 0 | 10 | 31 | 0 | 0 | 0 | 0 | 12 | 70 | 188 | 17 | 29 | .258 | .298 | .393 | .691 | .191 | .135 | .299 | 5.32 | 16.49 | 3.10 | 59.33 | 2011- 5- 153-SEA | premium | premium | premium | AA | 2011-2018 | 2015 | |
| 27 | Gabriel Guerrero | 21 | CF-RF | R | 85 | 48 | 177 | 22 | 38 | 10 | 0 | 2 | 15 | 3 | 0 | 12 | 48 | 0 | 0 | 2 | 0 | 7 | 54 | 191 | 12 | 26 | .215 | .262 | .305 | .567 | .175 | .090 | .279 | 6.28 | 25.13 | 4.00 | 88.50 | 2011- UDFA -SEA | premium | premium | premium | MLB | 2018-2018 | 2011-2022 | 2015 |
| 38 | Aderlin Rodriguez | 23 | 3B-1B | R | 83 | 44 | 155 | 18 | 32 | 11 | 0 | 3 | 16 | 0 | 1 | 12 | 38 | 1 | 0 | 4 | 0 | 5 | 52 | 172 | 14 | 18 | .206 | .262 | .335 | .597 | .200 | .129 | .246 | 6.98 | 22.09 | 3.17 | 51.67 | 2008- UDFA -NYN | premium | premium | premium | AAA | 2009-2025 | 2015 | |
| 8 | Steven Baron | 24 | C | R | 100* | 35 | 107 | 17 | 26 | 5 | 1 | 0 | 13 | 3 | 0 | 20 | 27 | 0 | 1 | 0 | 1 | 4 | 33 | 128 | 6 | 20 | .243 | .362 | .308 | .670 | .280 | .065 | .325 | 15.63 | 21.09 | 1.35 | 0.00 | 2009- 1- 33-SEA | premium | premium | premium | MLB | 2015-2019 | 2009-2019 | 2015 |
| 4 | Julio Morban | 23 | RF | L | 85* | 32 | 107 | 11 | 22 | 5 | 2 | 0 | 7 | 0 | 0 | 14 | 38 | 1 | 1 | 2 | 1 | 1 | 31 | 125 | 7 | 15 | .206 | .298 | .290 | .588 | .215 | .084 | .310 | 11.20 | 30.40 | 2.71 | 0.00 | 2008- UDFA -SEA | premium | premium | premium | AAA | 2009-2015 | 2015 | |
| 25 | Guillermo Pimentel | 22 | RF | L | 114* | 23 | 73 | 10 | 16 | 5 | 0 | 3 | 7 | 0 | 0 | 18 | 25 | 1 | 0 | 0 | 0 | 0 | 30 | 92 | 8 | 8 | .219 | .380 | .411 | .791 | .438 | .192 | .289 | 19.57 | 27.17 | 1.39 | 24.33 | 2009- UDFA -SEA | premium | premium | premium | AA | 2009-2015 | 2015 | |
| 29 | Luis Caballero | 22 | SS-2B | R | 27 | 65 | 8 | 11 | 1 | 0 | 0 | 2 | 0 | 0 | 5 | 21 | 2 | 1 | 1 | 0 | 1 | 12 | 74 | 1 | 10 | .169 | .247 | .185 | .432 | .092 | .016 | .244 | 6.76 | 28.38 | 4.20 | 0.00 | 2010- UDFA -ATL | premium | premium | premium | AA | 2010-2015 | 2015 | ||
| 9 | Leon Landry | 25 | RF-LF | L | 9 | 33 | 8 | 11 | 2 | 0 | 0 | 6 | 4 | 1 | 3 | 8 | 0 | 0 | 0 | 0 | 1 | 13 | 36 | 2 | 9 | .333 | .389 | .394 | .783 | .242 | .061 | .440 | 8.33 | 22.22 | 2.67 | 0.00 | 2010- 3- 109-LAN | premium | premium | premium | AAA | 2008-2017 | 2015 | ||
| 31 | Mike Dowd | 25 | C | R | 9 | 29 | 3 | 6 | 2 | 0 | 0 | 1 | 0 | 0 | 4 | 4 | 1 | 0 | 0 | 0 | 1 | 8 | 34 | 2 | 4 | .207 | .324 | .276 | .600 | .207 | .069 | .240 | 11.76 | 11.76 | 1.00 | 0.00 | 2011- 12- 363-SEA | premium | premium | premium | AA | 2009-2016 | 2015 | ||
| 4 | Leury Bonilla | 30 | 2B-3B | R | 7 | 27 | 2 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 8 | 1 | 1 | 0 | 0 | 2 | 7 | 31 | 0 | 7 | .259 | .333 | .259 | .592 | .074 | .000 | .368 | 6.45 | 25.81 | 4.00 | 0.00 | 2002- UDFA -SEA | premium | premium | premium | AAA | 2005-2015 | 2015 | ||
| 55 | Carlton Tanabe | 23 | C | R | 8 | 25 | 3 | 2 | 0 | 0 | 0 | 2 | 1 | 0 | 1 | 5 | 2 | 0 | 1 | 0 | 1 | 2 | 29 | 0 | 2 | .080 | .172 | .080 | .252 | .080 | .000 | .095 | 3.45 | 17.24 | 5.00 | 0.00 | 2009- 24- 713-SEA | premium | premium | premium | AA | 2009-2016 | 2015 | ||
| 12 | Jordan Cowan | 20 | 2B | L | 8 | 21 | 1 | 4 | 0 | 0 | 0 | 2 | 0 | 0 | 3 | 6 | 0 | 2 | 0 | 0 | 1 | 4 | 26 | 0 | 4 | .190 | .292 | .190 | .482 | .143 | .000 | .267 | 11.54 | 23.08 | 2.00 | 0.00 | 2013- 37-1107-SEA | premium | premium | premium | AA | 2013-2022 | 2015 | ||
| 29 | Gianfranco Wawoe | 20 | 2B | R | 4 | 12 | 1 | 4 | 2 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 6 | 12 | 2 | 2 | .333 | .333 | .500 | .833 | .083 | .167 | .364 | 0.00 | 8.33 | 0.00 | 0.00 | 2011- UDFA -SEA | premium | premium | premium | AAA | 2014-2021 | 2015 | ||
| # | 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 |
| 27 | Luis Liberato | 19 | RF-CF | L | 3 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 1 | 0 | 10 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 20.00 | 0.00 | 0.00 | 2012- UDFA -SEA | premium | premium | premium | MLB | 2022-2022 | 2013-2025 | 2015 | |
| 21 | Burt Reynolds | 26 | RF-LF | R | 3 | 9 | 2 | 3 | 0 | 0 | 1 | 1 | 0 | 0 | 1 | 2 | 0 | 0 | 0 | 0 | 1 | 6 | 10 | 1 | 2 | .333 | .400 | .667 | 1.067 | .444 | .334 | .333 | 10.00 | 20.00 | 2.00 | 9.00 | 2006- 30- 901-WAS | premium | premium | premium | AA | 2008-2019 | 2015 | ||
| 0 | Ketel Marte | 21 | SS | B | 2 | 7 | 1 | 3 | 1 | 0 | 0 | 0 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 8 | 1 | 2 | .429 | .500 | .571 | 1.071 | .000 | .142 | .429 | 12.50 | 0.00 | 0.00 | 0.00 | 2011- UDFA -SEA | premium | premium | premium | MLB | 2015-2025 | 2011-2025 | 2015 | |
| 0 | Patrick Brady | 27 | RF-2B | R | 3 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 16.67 | 0.00 | 0.00 | 2010- 48-1452-SEA | premium | premium | premium | AAA | 2007-2017 | 2015 | ||
| 4 | Pat Leyland | 23 | 1B | R | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 2 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 0.00 | 0.00 | 0.00 | 2010- 8- 253-DET | premium | premium | premium | AA | 2010-2015 | 2015 | ||
| Totals: | 1274 | 4482 | 510 | 1097 | 235 | 38 | 67 | 459 | 103 | 34 | 480 | 991 | 51 | 32 | 35 | 7 | 148 | 1609 | 5080 | 340 | 757 | .245 | .323 | .359 | .681 | .237 | .114 | .298 | 9.45 | 19.51 | 2.06 | 66.90 | 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 |
| 45 | Moises Hernandez | 31 | R | 3 | 10 | 5.71 | 30 | 12 | 0 | 0 | 18 | 4 | 1 | 97.2 | 124 | 73 | 62 | 7 | 37 | 59 | 7 | 0 | 0 | 1.65 | 11.43 | 0.65 | 3.41 | 5.44 | 6.73 | 1.59 | 2001- UDFA -BAL | premium | premium | premium | AAA | 2003-2015 | 2015 | |
| 0 | Danny Hultzen | 25 | L | 0 | 1 | 3.38 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 8.0 | 10 | 5 | 3 | 0 | 5 | 8 | 0 | 0 | 0 | 1.88 | 11.25 | 0.00 | 5.63 | 9.00 | 5.63 | 1.60 | 2011- 1- 2-SEA | premium | premium | premium | MLB | 2019-2019 | 2009-2019 | 2015 |
| 0 | Anthony Fernandez | 25 | L | 0 | 0 | 1.13 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 8.0 | 5 | 1 | 1 | 0 | 2 | 9 | 0 | 0 | 0 | 0.88 | 5.63 | 0.00 | 2.25 | 10.13 | 1.13 | 4.50 | 2006- UDFA -SEA | premium | premium | premium | AAA | 2009-2019 | 2015 | |
| 44 | Stephen Landazuri | 23 | R | 2 | 6 | 4.56 | 15 | 15 | 0 | 0 | 0 | 0 | 0 | 77.0 | 72 | 43 | 39 | 1 | 32 | 59 | 4 | 0 | 0 | 1.35 | 8.42 | 0.12 | 3.74 | 6.90 | 5.03 | 1.84 | 2010- 22- 672-SEA | premium | premium | premium | AAA | 2010-2017 | 2015 | |
| 40 | Matt Anderson | 23 | R | 3 | 5 | 3.90 | 44 | 1 | 0 | 0 | 43 | 24 | 10 | 67.0 | 64 | 35 | 29 | 5 | 23 | 63 | 9 | 0 | 0 | 1.30 | 8.60 | 0.67 | 3.09 | 8.46 | 4.70 | 2.74 | 2011- 41-1243-MIA | premium | premium | premium | AAA | 2012-2016 | 2015 | |
| 41 | Dylan Unsworth | 22 | R | 4 | 7 | 4.34 | 13 | 13 | 0 | 0 | 0 | 0 | 0 | 66.1 | 78 | 39 | 32 | 6 | 13 | 51 | 2 | 1 | 0 | 1.37 | 10.58 | 0.81 | 1.76 | 6.92 | 5.29 | 3.92 | 2009- UDFA -SEA | premium | premium | premium | AAA | 2010-2022 | 2015 | |
| 31 | Scott DeCecco | 24 | L | 2 | 6 | 6.71 | 20 | 10 | 1 | 0 | 10 | 2 | 0 | 63.0 | 83 | 51 | 47 | 4 | 35 | 53 | 5 | 0 | 0 | 1.87 | 11.86 | 0.57 | 5.00 | 7.57 | 7.29 | 1.51 | 2012- 21- 641-SEA | premium | premium | premium | AA | 2010-2015 | 2015 | |
| 11 | Grady Wood | 25 | R | 4 | 2 | 4.35 | 36 | 0 | 0 | 0 | 36 | 14 | 2 | 60.0 | 57 | 36 | 29 | 4 | 33 | 41 | 2 | 1 | 0 | 1.50 | 8.55 | 0.60 | 4.95 | 6.15 | 5.40 | 1.24 | 2012- 10- 311-SEA | premium | premium | premium | AA | 2012-2021 | 2015 | |
| 27 | Jake Zokan | 24 | L | 3 | 4 | 4.27 | 13 | 11 | 0 | 0 | 2 | 0 | 0 | 59.0 | 68 | 34 | 28 | 8 | 28 | 42 | 5 | 0 | 0 | 1.63 | 10.37 | 1.22 | 4.27 | 6.41 | 5.19 | 1.50 | 2013- 9- 267-SEA | premium | premium | premium | AA | 2010-2019 | 2015 | |
| 17 | Trey Cochran-Gill | 22 | R | 4 | 3 | 5.43 | 34 | 0 | 0 | 0 | 34 | 12 | 4 | 53.0 | 59 | 38 | 32 | 0 | 32 | 30 | 1 | 0 | 0 | 1.72 | 10.02 | 0.00 | 5.43 | 5.09 | 6.45 | 0.94 | 2014- 17- 501-SEA | premium | premium | premium | AAA | 2012-2022 | 2015 | |
| 22 | Cam Hobson | 26 | L | 1 | 0 | 5.06 | 4 | 1 | 0 | 0 | 3 | 0 | 0 | 5.1 | 6 | 3 | 3 | 1 | 4 | 8 | 0 | 0 | 0 | 1.88 | 10.13 | 1.69 | 6.75 | 13.50 | 5.06 | 2.00 | 2011- 11- 333-SEA | premium | premium | premium | AAA | 2009-2015 | 2015 | |
| 18 | Trevor Miller | 24 | R | 5 | 0 | 5.44 | 26 | 0 | 0 | 0 | 26 | 12 | 2 | 46.1 | 59 | 29 | 28 | 6 | 17 | 28 | 3 | 0 | 0 | 1.64 | 11.46 | 1.17 | 3.30 | 5.44 | 5.63 | 1.65 | 2011- 40-1203-SEA | premium | premium | premium | AAA | 2011-2015 | 2015 | |
| 18 | Kyle Hunter | 26 | L | 3 | 1 | 3.05 | 24 | 5 | 0 | 0 | 19 | 4 | 0 | 44.1 | 36 | 16 | 15 | 2 | 19 | 28 | 2 | 0 | 0 | 1.24 | 7.31 | 0.41 | 3.86 | 5.68 | 3.25 | 1.47 | 2011- 31- 933-SEA | premium | premium | premium | AAA | 2009-2017 | 2015 | |
| 41 | Jordan Shipers | 24 | L | 1 | 3 | 8.44 | 24 | 0 | 0 | 0 | 24 | 6 | 1 | 37.1 | 61 | 36 | 35 | 5 | 22 | 34 | 2 | 0 | 0 | 2.22 | 14.71 | 1.21 | 5.30 | 8.20 | 8.68 | 1.55 | 2010- 16- 492-SEA | premium | premium | premium | AA | 2011-2015 | 2015 | |
| 50 | Andrew Kittredge | 25 | R | 2 | 1 | 3.03 | 15 | 1 | 0 | 0 | 14 | 2 | 0 | 32.2 | 29 | 12 | 11 | 1 | 11 | 31 | 0 | 0 | 0 | 1.22 | 7.99 | 0.28 | 3.03 | 8.54 | 3.31 | 2.82 | 2011- UDFA -SEA | premium | premium | premium | MLB | 2017-2025 | 2009-2025 | 2015 |
| 24 | Brian Moran | 26 | L | 2 | 1 | 3.56 | 25 | 0 | 0 | 0 | 25 | 5 | 0 | 30.1 | 29 | 12 | 12 | 2 | 17 | 29 | 2 | 0 | 0 | 1.52 | 8.60 | 0.59 | 5.04 | 8.60 | 3.56 | 1.71 | 2009- 7- 203-SEA | premium | premium | premium | MLB | 2019-2022 | 2007-2025 | 2015 |
| 43 | Paul Fry | 22 | L | 0 | 2 | 1.80 | 22 | 0 | 0 | 0 | 22 | 16 | 7 | 25.0 | 22 | 6 | 5 | 0 | 10 | 43 | 2 | 0 | 0 | 1.28 | 7.92 | 0.00 | 3.60 | 15.48 | 2.16 | 4.30 | 2013- 17- 507-SEA | premium | premium | premium | MLB | 2018-2022 | 2011-2025 | 2015 |
| 58 | Richard Vargas | 24 | R | 0 | 0 | 3.32 | 19 | 0 | 0 | 0 | 19 | 9 | 2 | 21.2 | 20 | 9 | 8 | 1 | 20 | 29 | 4 | 0 | 0 | 1.85 | 8.31 | 0.42 | 8.31 | 12.05 | 3.74 | 1.45 | 2008- UDFA -SEA | premium | premium | premium | AA | 2010-2015 | 2015 | |
| 19 | Tyler Knigge | 26 | R | 0 | 1 | 4.05 | 16 | 0 | 0 | 0 | 16 | 8 | 2 | 20.0 | 20 | 10 | 9 | 0 | 10 | 13 | 4 | 0 | 0 | 1.50 | 9.00 | 0.00 | 4.50 | 5.85 | 4.50 | 1.30 | 2010- 12- 381-PHI | premium | premium | premium | AAA | 2010-2018 | 2015 | |
| 36 | Tony Zych | 24 | R | 0 | 0 | 2.16 | 15 | 0 | 0 | 0 | 15 | 14 | 5 | 16.2 | 11 | 4 | 4 | 0 | 0 | 18 | 0 | 1 | 0 | 0.66 | 5.94 | 0.00 | 0.00 | 9.72 | 2.16 | 0.00 | 2011- 4- 129-CHN | premium | premium | premium | MLB | 2015-2017 | 2009-2017 | 2015 |
| 54 | Misael Siverio | 26 | L | 5 | 12 | 4.35 | 26 | 26 | 0 | 0 | 0 | 0 | 0 | 122.0 | 130 | 65 | 59 | 6 | 52 | 110 | 3 | 3 | 0 | 1.49 | 9.59 | 0.44 | 3.84 | 8.11 | 4.80 | 2.12 | 2014- UDFA -SEA | premium | premium | premium | AAA | 2015-2021 | 2015 | |
| 20 | Tyler Pike | 21 | L | 0 | 2 | 4.91 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 11.0 | 11 | 7 | 6 | 0 | 12 | 7 | 1 | 0 | 0 | 2.09 | 9.00 | 0.00 | 9.82 | 5.73 | 5.73 | 0.58 | 2012- 3- 126-SEA | premium | premium | premium | AA | 2012-2023 | 2015 | |
| 33 | James Gillheeney | 27 | L | 4 | 6 | 3.32 | 23 | 15 | 0 | 0 | 8 | 1 | 0 | 108.1 | 96 | 44 | 40 | 3 | 34 | 82 | 4 | 0 | 0 | 1.20 | 7.98 | 0.25 | 2.82 | 6.81 | 3.66 | 2.41 | 2009- 8- 233-SEA | premium | premium | premium | AAA | 2007-2015 | 2015 | |
| 20 | Edwin Diaz | 21 | R | 5 | 10 | 4.57 | 20 | 20 | 0 | 0 | 0 | 0 | 0 | 104.1 | 102 | 56 | 53 | 5 | 37 | 103 | 2 | 1 | 0 | 1.33 | 8.80 | 0.43 | 3.19 | 8.88 | 4.83 | 2.78 | 2012- 3- 98-SEA | premium | premium | premium | MLB | 2016-2025 | 2012-2025 | 2015 |
| Totals: | 53 | 83 | 4.48 | 472 | 138 | 1 | 0 | 133 | 334 | 36 | 1184.1 | 1252 | 664 | 590 | 67 | 505 | 978 | 64 | 7 | 0 | 1.48 | 9.51 | 0.51 | 3.84 | 7.43 | 5.05 | 1.94 | premium | premium | premium |