| # | 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 |
| 9 | Eugene Helder | 21 | 3B | R | 107 | 70 | 286 | 44 | 87 | 14 | 5 | 2 | 43 | 7 | 3 | 19 | 44 | 2 | 2 | 5 | 0 | 4 | 117 | 314 | 21 | 66 | .304 | .346 | .409 | .755 | .185 | .105 | .347 | 6.05 | 14.01 | 2.32 | 143.00 | 2013- UDFA -SEA | premium | premium | premium | AAA | 2015-2019 | 2017 | |
| 22 | Onil Pena | 20 | 1B | R | 119 | 71 | 241 | 42 | 65 | 13 | 2 | 10 | 31 | 5 | 0 | 33 | 78 | 5 | 0 | 0 | 1 | 6 | 112 | 279 | 25 | 40 | .270 | .369 | .465 | .834 | .353 | .195 | .359 | 11.83 | 27.96 | 2.36 | 24.10 | 2013- UDFA -SEA | premium | premium | premium | A | 2014-2019 | 2017 | |
| 25 | Johnny Adams | 22 | 3B-SS | R | 116 | 52 | 209 | 39 | 66 | 12 | 0 | 5 | 37 | 4 | 3 | 17 | 44 | 5 | 0 | 4 | 0 | 8 | 93 | 235 | 17 | 49 | .316 | .374 | .445 | .819 | .215 | .129 | .372 | 7.23 | 18.72 | 2.59 | 41.80 | 2017- 22- 663-SEA | premium | premium | premium | A+ | 2014-2021 | 2017 | |
| 14 | Joe Venturino | 22 | 2B-RF | R | 77 | 57 | 208 | 28 | 44 | 8 | 1 | 1 | 24 | 3 | 2 | 8 | 31 | 5 | 2 | 1 | 0 | 1 | 57 | 224 | 10 | 34 | .212 | .257 | .274 | .531 | .106 | .062 | .243 | 3.57 | 13.84 | 3.88 | 208.00 | 2016- 36-1077-SEA | premium | premium | premium | A- | 2013-2017 | 2017 | |
| 13 | Greifer Andrade | 20 | LF | R | 101 | 55 | 207 | 28 | 61 | 11 | 0 | 5 | 35 | 0 | 0 | 5 | 57 | 0 | 2 | 5 | 0 | 3 | 87 | 219 | 16 | 45 | .295 | .304 | .420 | .724 | .150 | .125 | .373 | 2.28 | 26.03 | 11.40 | 41.40 | 2013- UDFA -SEA | premium | premium | premium | AAA | 2014-2021 | 2017 | |
| 5 | Chris Torres | 19 | SS | B | 109 | 48 | 193 | 44 | 46 | 8 | 6 | 6 | 22 | 13 | 3 | 25 | 64 | 0 | 1 | 1 | 0 | 2 | 84 | 220 | 20 | 26 | .238 | .324 | .435 | .759 | .378 | .197 | .323 | 11.36 | 29.09 | 2.56 | 32.17 | 2014- UDFA -SEA | premium | premium | premium | A | 2015-2021 | 2017 | |
| 19 | Juan Camacho | 21 | C | R | 91 | 47 | 182 | 25 | 43 | 12 | 0 | 5 | 19 | 1 | 1 | 4 | 46 | 2 | 1 | 0 | 0 | 3 | 70 | 189 | 17 | 26 | .236 | .261 | .385 | .646 | .170 | .149 | .290 | 2.12 | 24.34 | 11.50 | 36.40 | 2014- UDFA -SEA | premium | premium | premium | AAA | 2015-2024 | 2017 | |
| 1 | Joseph Rosa | 20 | 2B | B | 124 | 44 | 179 | 32 | 53 | 16 | 4 | 6 | 28 | 4 | 5 | 22 | 46 | 1 | 0 | 1 | 0 | 0 | 95 | 203 | 26 | 27 | .296 | .374 | .531 | .905 | .352 | .235 | .367 | 10.84 | 22.66 | 2.09 | 29.83 | 2014- UDFA -ARI | premium | premium | premium | AAA | 2015-2025 | 2017 | |
| 3 | Austin Grebeck | 22 | CF | R | 104 | 55 | 154 | 30 | 35 | 5 | 3 | 2 | 22 | 7 | 3 | 31 | 47 | 2 | 3 | 1 | 0 | 0 | 52 | 191 | 10 | 25 | .227 | .362 | .338 | .700 | .338 | .111 | .311 | 16.23 | 24.61 | 1.52 | 77.00 | 2016- 21- 627-SEA | premium | premium | premium | AAA | 2014-2017 | 2017 | |
| 48 | David Banuelos | 20 | C | R | 104 | 36 | 127 | 24 | 30 | 8 | 0 | 4 | 26 | 1 | 1 | 16 | 40 | 2 | 1 | 0 | 0 | 2 | 50 | 146 | 12 | 18 | .236 | .331 | .394 | .725 | .283 | .158 | .313 | 10.96 | 27.40 | 2.50 | 31.75 | 2017- 5- 153-SEA | premium | premium | premium | MLB | 2024-2025 | 2015-2025 | 2017 |
| 10 | Ronald Rosario | 20 | RF-CF | L | 122 | 40 | 126 | 22 | 37 | 6 | 2 | 6 | 17 | 1 | 0 | 11 | 40 | 1 | 0 | 0 | 0 | 3 | 65 | 138 | 14 | 23 | .294 | .355 | .516 | .871 | .317 | .222 | .388 | 7.97 | 28.99 | 3.64 | 21.00 | 2013- UDFA -SEA | premium | premium | premium | A- | 2014-2018 | 2017 | |
| 29 | Brayan Hernandez | 19 | CF | R | 102 | 28 | 103 | 9 | 26 | 2 | 4 | 2 | 15 | 4 | 1 | 7 | 26 | 1 | 1 | 0 | 0 | 1 | 42 | 112 | 8 | 18 | .252 | .306 | .408 | .714 | .252 | .156 | .320 | 6.25 | 23.21 | 3.71 | 51.50 | 2014- UDFA -SEA | premium | premium | premium | AAA | 2015-2019 | 2017 | |
| 34 | Troy Dixon | 22 | C | L | 81 | 28 | 97 | 15 | 19 | 2 | 0 | 2 | 6 | 0 | 0 | 9 | 28 | 1 | 1 | 0 | 0 | 1 | 27 | 108 | 4 | 15 | .196 | .271 | .278 | .549 | .175 | .082 | .254 | 8.33 | 25.93 | 3.11 | 48.50 | 2017- 20- 603-SEA | premium | premium | premium | A- | 2014-2019 | 2017 | |
| 32 | Aaron Stroosma | 23 | LF | R | 95 | 30 | 75 | 11 | 16 | 2 | 1 | 1 | 9 | 2 | 0 | 11 | 26 | 1 | 0 | 0 | 0 | 0 | 23 | 87 | 4 | 12 | .213 | .322 | .307 | .629 | .267 | .094 | .313 | 12.64 | 29.89 | 2.36 | 75.00 | 2017- UDFA -SEA | premium | premium | premium | A+ | 2013-2018 | 2017 | |
| 21 | Jansiel Rivera | 18 | RF | L | 88* | 25 | 73 | 6 | 14 | 5 | 2 | 2 | 9 | 0 | 0 | 5 | 32 | 0 | 0 | 0 | 1 | 0 | 29 | 78 | 9 | 5 | .192 | .244 | .397 | .641 | .274 | .205 | .308 | 6.41 | 41.03 | 6.40 | 36.50 | 2016- 22- 657-SEA | premium | premium | premium | AAA | 2016-2019 | 2017 | |
| 0 | Evan White | 21 | 1B | R | 119* | 14 | 47 | 6 | 13 | 1 | 1 | 3 | 12 | 1 | 1 | 6 | 6 | 0 | 0 | 2 | 0 | 0 | 25 | 55 | 5 | 8 | .277 | .345 | .532 | .877 | .383 | .255 | .250 | 10.91 | 10.91 | 1.00 | 15.67 | 2017- 1- 17-SEA | premium | premium | premium | MLB | 2020-2021 | 2015-2024 | 2017 |
| 15 | Manny Pazos | 22 | 3B-2B | R | 58* | 13 | 41 | 3 | 5 | 2 | 1 | 0 | 4 | 0 | 1 | 4 | 15 | 0 | 0 | 1 | 0 | 1 | 9 | 46 | 3 | 2 | .122 | .196 | .220 | .416 | .171 | .098 | .185 | 8.70 | 32.61 | 3.75 | 0.00 | 2017- UDFA -SEA | premium | premium | premium | AAA | 2014-2019 | 2017 | |
| 32 | Jonas Lantigua | 22 | 1B | L | 12 | 39 | 3 | 9 | 5 | 0 | 0 | 3 | 0 | 0 | 2 | 11 | 0 | 0 | 0 | 0 | 1 | 14 | 41 | 5 | 4 | .231 | .268 | .359 | .627 | .179 | .128 | .321 | 4.88 | 26.83 | 5.50 | 0.00 | 2012- UDFA -SDN | premium | premium | premium | A- | 2012-2017 | 2017 | ||
| 1 | Louis Boyd | 23 | SS-2B | R | 6 | 20 | 2 | 5 | 1 | 0 | 0 | 5 | 0 | 0 | 3 | 3 | 2 | 0 | 1 | 0 | 0 | 6 | 26 | 1 | 4 | .250 | .385 | .300 | .685 | .200 | .050 | .278 | 11.54 | 11.54 | 1.00 | 0.00 | 2017- 24- 723-SEA | premium | premium | premium | A+ | 2014-2018 | 2017 | ||
| 21 | Osmy Gregorio | 19 | SS | R | 5 | 18 | 1 | 4 | 0 | 0 | 0 | 3 | 1 | 0 | 2 | 10 | 0 | 0 | 0 | 0 | 0 | 4 | 20 | 0 | 4 | .222 | .300 | .222 | .522 | .167 | .000 | .500 | 10.00 | 50.00 | 5.00 | 0.00 | 2016- UDFA -SEA | premium | premium | premium | A+ | 2016-2024 | 2017 | ||
| 5 | Johnny Slater | 21 | RF-CF | L | 3 | 14 | 5 | 5 | 0 | 0 | 3 | 5 | 1 | 0 | 1 | 6 | 0 | 0 | 0 | 0 | 0 | 14 | 15 | 3 | 2 | .357 | .400 | 1.000 | 1.400 | .786 | .643 | .400 | 6.67 | 40.00 | 6.00 | 4.67 | 2017- 28- 843-SEA | premium | premium | premium | AAA | 2014-2019 | 2017 | ||
| 11 | Billy Cooke | 21 | LF-RF | R | 3 | 12 | 1 | 2 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 3 | 1 | 1 | 0 | 0 | 0 | 2 | 15 | 0 | 2 | .167 | .286 | .167 | .453 | .083 | .000 | .222 | 6.67 | 20.00 | 3.00 | 0.00 | 2017- 8- 243-SEA | premium | premium | premium | AAA | 2015-2021 | 2017 | ||
| 11 | Geoandry Montilla | 21 | C | R | 2 | 8 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 1 | 3 | 8 | 1 | 1 | .250 | .250 | .375 | .625 | .125 | .125 | .400 | 0.00 | 37.50 | 0.00 | 0.00 | 2013- UDFA -SEA | premium | premium | premium | A- | 2015-2018 | 2017 | ||
| Totals: | 745 | 2659 | 420 | 687 | 134 | 32 | 65 | 376 | 55 | 24 | 242 | 706 | 31 | 15 | 22 | 2 | 37 | 1080 | 2969 | 231 | 456 | .258 | .325 | .406 | .731 | .250 | .148 | .326 | 8.15 | 23.78 | 2.92 | 40.91 | 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 |
| 8 | Lane Ratliff | 22 | L | 1 | 0 | 6.00 | 2 | 1 | 0 | 0 | 1 | 0 | 0 | 9.0 | 12 | 6 | 6 | 0 | 5 | 10 | 3 | 0 | 1 | 1.89 | 12.00 | 0.00 | 5.00 | 10.00 | 6.00 | 2.00 | 2014- 6- 171-SEA | premium | premium | premium | AAA | 2014-2019 | 2017 | |
| 40 | Scott Kuzminsky | 25 | R | 1 | 0 | 1.08 | 7 | 0 | 0 | 0 | 7 | 6 | 3 | 8.1 | 7 | 1 | 1 | 0 | 1 | 10 | 1 | 0 | 0 | 0.96 | 7.56 | 0.00 | 1.08 | 10.80 | 1.08 | 10.00 | 2017- UDFA -SEA | premium | premium | premium | AAA | 2013-2019 | 2017 | |
| 49 | Andres Torres | 21 | R | 7 | 2 | 3.65 | 15 | 15 | 0 | 0 | 0 | 0 | 0 | 74.0 | 82 | 36 | 30 | 6 | 22 | 64 | 2 | 5 | 9 | 1.41 | 9.97 | 0.73 | 2.68 | 7.78 | 4.38 | 2.91 | 2014- UDFA -SEA | premium | premium | premium | A- | 2015-2017 | 2017 | |
| 40 | Wyatt Mills | 22 | R | 0 | 1 | 2.57 | 7 | 0 | 0 | 0 | 7 | 7 | 2 | 7.0 | 3 | 2 | 2 | 0 | 3 | 11 | 1 | 2 | 0 | 0.86 | 3.86 | 0.00 | 3.86 | 14.14 | 2.57 | 3.67 | 2017- 3- 93-SEA | premium | premium | premium | MLB | 2021-2022 | 2014-2025 | 2017 |
| 27 | Jose Santiago | 23 | R | 3 | 6 | 5.82 | 15 | 8 | 0 | 0 | 7 | 1 | 0 | 65.0 | 66 | 51 | 42 | 6 | 36 | 50 | 11 | 1 | 6 | 1.57 | 9.14 | 0.83 | 4.98 | 6.92 | 7.06 | 1.39 | 2013- UDFA -SEA | premium | premium | premium | A+ | 2013-2017 | 2017 | |
| 30 | Michael Suarez | 22 | L | 7 | 2 | 4.87 | 13 | 5 | 0 | 0 | 8 | 1 | 0 | 57.1 | 68 | 33 | 31 | 4 | 19 | 57 | 6 | 2 | 3 | 1.52 | 10.67 | 0.63 | 2.98 | 8.95 | 5.18 | 3.00 | 2013- UDFA -SEA | premium | premium | premium | A- | 2015-2018 | 2017 | |
| 11 | David Gerber | 22 | R | 0 | 0 | 3.38 | 5 | 0 | 0 | 0 | 5 | 4 | 3 | 5.1 | 5 | 2 | 2 | 1 | 1 | 8 | 0 | 0 | 0 | 1.13 | 8.44 | 1.69 | 1.69 | 13.50 | 3.38 | 8.00 | 2017- 29- 873-SEA | premium | premium | premium | AA | 2014-2018 | 2017 | |
| 47 | Carlos Hernandez | 21 | R | 0 | 0 | 2.08 | 2 | 0 | 0 | 0 | 2 | 0 | 0 | 4.1 | 3 | 1 | 1 | 0 | 1 | 3 | 0 | 0 | 0 | 0.92 | 6.23 | 0.00 | 2.08 | 6.23 | 2.08 | 3.00 | 2014- UDFA -SEA | premium | premium | premium | AAA | 2015-2019 | 2017 | |
| 10 | Cody Mobley | 20 | R | 1 | 1 | 12.46 | 2 | 1 | 0 | 0 | 1 | 0 | 0 | 4.1 | 5 | 6 | 6 | 0 | 2 | 3 | 1 | 0 | 1 | 1.62 | 10.38 | 0.00 | 4.15 | 6.23 | 12.46 | 1.50 | 2015- 8- 245-SEA | premium | premium | premium | A- | 2015-2018 | 2017 | |
| 33 | Feliberto Bonilla | 19 | R | 0 | 0 | 4.15 | 2 | 0 | 0 | 0 | 2 | 1 | 0 | 4.1 | 1 | 2 | 2 | 0 | 4 | 1 | 0 | 0 | 0 | 1.15 | 2.08 | 0.00 | 8.31 | 2.08 | 4.15 | 0.25 | 2015- UDFA -SEA | premium | premium | premium | A- | 2016-2018 | 2017 | |
| 56 | Seth Elledge | 21 | R | 0 | 0 | 4.50 | 4 | 0 | 0 | 0 | 4 | 2 | 0 | 4.0 | 2 | 2 | 2 | 0 | 2 | 7 | 0 | 0 | 1 | 1.00 | 4.50 | 0.00 | 4.50 | 15.75 | 4.50 | 3.50 | 2017- 4- 123-SEA | premium | premium | premium | MLB | 2020-2021 | 2015-2024 | 2017 |
| 23 | Adonis De La Cruz | 22 | R | 2 | 2 | 3.28 | 18 | 0 | 0 | 0 | 18 | 4 | 0 | 35.2 | 38 | 21 | 13 | 3 | 17 | 32 | 6 | 3 | 4 | 1.54 | 9.59 | 0.76 | 4.29 | 8.07 | 5.30 | 1.88 | 2013- UDFA -SEA | premium | premium | premium | A | 2013-2019 | 2017 | |
| 15 | Ryne Inman | 21 | R | 2 | 4 | 4.79 | 7 | 6 | 0 | 0 | 1 | 0 | 0 | 35.2 | 33 | 21 | 19 | 5 | 10 | 37 | 3 | 1 | 2 | 1.21 | 8.33 | 1.26 | 2.52 | 9.34 | 5.30 | 3.70 | 2015- 15- 455-SEA | premium | premium | premium | AA | 2015-2021 | 2017 | |
| 17 | Matt Clancy | 23 | L | 0 | 1 | 2.76 | 22 | 0 | 0 | 0 | 22 | 12 | 7 | 32.2 | 28 | 16 | 10 | 2 | 13 | 49 | 6 | 1 | 2 | 1.26 | 7.71 | 0.55 | 3.58 | 13.50 | 4.41 | 3.77 | 2015- 13- 395-SEA | premium | premium | premium | A | 2013-2018 | 2017 | |
| 38 | Randy Bell | 22 | R | 0 | 2 | 4.94 | 13 | 13 | 0 | 0 | 0 | 0 | 0 | 31.0 | 41 | 22 | 17 | 1 | 5 | 29 | 0 | 0 | 0 | 1.48 | 11.90 | 0.29 | 1.45 | 8.42 | 6.39 | 5.80 | 2017- 10- 303-SEA | premium | premium | premium | A+ | 2014-2018 | 2017 | |
| 28 | Ted Hammond | 23 | R | 1 | 2 | 4.45 | 20 | 0 | 0 | 0 | 20 | 10 | 1 | 30.1 | 43 | 25 | 15 | 1 | 8 | 18 | 2 | 2 | 3 | 1.68 | 12.76 | 0.30 | 2.37 | 5.34 | 7.42 | 2.25 | 2016- UDFA -SEA | premium | premium | premium | A+ | 2013-2017 | 2017 | |
| 46 | Oliver Jaskie | 21 | L | 0 | 1 | 6.82 | 13 | 10 | 0 | 0 | 3 | 1 | 0 | 30.1 | 43 | 27 | 23 | 5 | 13 | 33 | 3 | 1 | 0 | 1.85 | 12.76 | 1.48 | 3.86 | 9.79 | 8.01 | 2.54 | 2017- 6- 183-SEA | premium | premium | premium | AA | 2015-2019 | 2017 | |
| 11 | Scott Boches | 22 | R | 0 | 0 | 3.00 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 3.0 | 2 | 1 | 1 | 1 | 3 | 0 | 0 | 0 | 0 | 1.67 | 6.00 | 3.00 | 9.00 | 0.00 | 3.00 | 0.00 | 2017- 30- 903-SEA | premium | premium | premium | AAA | 2014-2022 | 2017 | |
| 50 | Anjul Hernandez | 21 | R | 2 | 2 | 6.28 | 8 | 6 | 0 | 0 | 2 | 0 | 0 | 28.2 | 36 | 21 | 20 | 4 | 17 | 34 | 2 | 0 | 3 | 1.85 | 11.30 | 1.26 | 5.34 | 10.67 | 6.59 | 2.00 | 2013- UDFA -SEA | premium | premium | premium | A- | 2015-2017 | 2017 | |
| 31 | Steven Ridings | 23 | R | 1 | 2 | 3.25 | 6 | 2 | 0 | 0 | 4 | 0 | 0 | 27.2 | 26 | 11 | 10 | 3 | 13 | 28 | 3 | 0 | 3 | 1.41 | 8.46 | 0.98 | 4.23 | 9.11 | 3.58 | 2.15 | 2016- 29- 867-SEA | premium | premium | premium | AAA | 2016-2022 | 2017 | |
| 36 | David Hesslink | 22 | L | 0 | 2 | 5.60 | 15 | 0 | 0 | 0 | 15 | 2 | 0 | 27.1 | 38 | 30 | 17 | 6 | 14 | 22 | 3 | 3 | 2 | 1.90 | 12.51 | 1.98 | 4.61 | 7.24 | 9.88 | 1.57 | 2017- 34-1023-SEA | premium | premium | premium | A- | 2016-2017 | 2017 | |
| 29 | Brian McAfee | 24 | R | 0 | 1 | 4.18 | 6 | 6 | 0 | 0 | 0 | 0 | 0 | 23.2 | 36 | 15 | 11 | 1 | 4 | 14 | 0 | 0 | 2 | 1.69 | 13.69 | 0.38 | 1.52 | 5.32 | 5.70 | 3.50 | 2016- 38-1140-TBA | premium | premium | premium | A | 2012-2017 | 2017 | |
| 12 | Paul Covelle | 23 | R | 0 | 0 | 3.57 | 14 | 0 | 0 | 0 | 14 | 6 | 2 | 22.2 | 17 | 13 | 9 | 4 | 6 | 18 | 3 | 0 | 2 | 1.01 | 6.75 | 1.59 | 2.38 | 7.15 | 5.16 | 3.00 | 2016- 27- 807-SEA | premium | premium | premium | A- | 2013-2017 | 2017 | |
| 39 | Michael Rivera | 20 | R | 2 | 2 | 3.38 | 11 | 0 | 0 | 0 | 11 | 5 | 0 | 21.1 | 19 | 9 | 8 | 1 | 9 | 21 | 0 | 1 | 2 | 1.31 | 8.02 | 0.42 | 3.80 | 8.86 | 3.80 | 2.33 | 2015- 27- 815-SEA | premium | premium | premium | AAA | 2015-2017 | 2017 | |
| 16 | David Ellingson | 22 | R | 2 | 3 | 5.23 | 16 | 0 | 0 | 0 | 16 | 8 | 3 | 20.2 | 26 | 16 | 12 | 1 | 6 | 21 | 3 | 2 | 5 | 1.55 | 11.32 | 0.44 | 2.61 | 9.15 | 6.97 | 3.50 | 2016- 34-1017-SEA | premium | premium | premium | AA | 2014-2022 | 2017 | |
| # | 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 |
| 22 | Onil Pena | 20 | R | 0 | 0 | 9.00 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 2.0 | 2 | 2 | 2 | 2 | 1 | 2 | 1 | 0 | 0 | 1.50 | 9.00 | 9.00 | 4.50 | 9.00 | 9.00 | 2.00 | 2013- UDFA -SEA | premium | premium | premium | A | 2014-2019 | 2017 | |
| 33 | Fabian Roman | 25 | R | 1 | 1 | 9.88 | 11 | 0 | 0 | 0 | 11 | 4 | 0 | 13.2 | 23 | 17 | 15 | 1 | 7 | 14 | 5 | 0 | 3 | 2.20 | 15.15 | 0.66 | 4.61 | 9.22 | 11.20 | 2.00 | 2013- 16- 495-CIN | premium | premium | premium | A | 2012-2019 | 2017 | |
| 30 | Clay Chandler | 23 | R | 0 | 1 | 3.38 | 3 | 2 | 0 | 0 | 1 | 0 | 0 | 13.1 | 10 | 5 | 5 | 0 | 5 | 12 | 1 | 0 | 0 | 1.13 | 6.75 | 0.00 | 3.38 | 8.10 | 3.38 | 2.40 | 2017- UDFA -SEA | premium | premium | premium | A+ | 2014-2019 | 2017 | |
| 8 | Tyler Watson | 24 | L | 0 | 1 | 6.00 | 6 | 0 | 0 | 0 | 6 | 0 | 0 | 12.0 | 17 | 12 | 8 | 0 | 4 | 21 | 4 | 0 | 0 | 1.75 | 12.75 | 0.00 | 3.00 | 15.75 | 9.00 | 5.25 | 2014- 38-1139-ANA | premium | premium | premium | AAA | 2013-2019 | 2017 | |
| 11 | Chris Castellanos | 22 | L | 2 | 0 | 3.09 | 5 | 0 | 0 | 0 | 5 | 2 | 0 | 11.2 | 9 | 4 | 4 | 1 | 4 | 15 | 3 | 0 | 1 | 1.11 | 6.94 | 0.77 | 3.09 | 11.57 | 3.09 | 3.75 | 2017- 33- 993-SEA | premium | premium | premium | AAA | 2014-2018 | 2017 | |
| 21 | JP Sears | 21 | L | 1 | 1 | 1.69 | 7 | 0 | 0 | 0 | 7 | 0 | 0 | 10.2 | 6 | 4 | 2 | 0 | 3 | 22 | 1 | 0 | 1 | 0.84 | 5.06 | 0.00 | 2.53 | 18.56 | 3.37 | 7.33 | 2017- 11- 333-SEA | premium | premium | premium | MLB | 2022-2025 | 2015-2025 | 2017 |
| 0 | Tyler Cloyd | 30 | R | 0 | 0 | 0.00 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1.0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.00 | 9.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 2008- 18- 556-PHI | premium | premium | premium | MLB | 2012-2018 | 2006-2019 | 2017 |
| Totals: | 36 | 40 | 4.59 | 278 | 76 | 0 | 0 | 76 | 202 | 21 | 678.0 | 748 | 434 | 346 | 59 | 258 | 666 | 74 | 24 | 56 | 1.48 | 9.93 | 0.78 | 3.42 | 8.84 | 5.76 | 2.58 | premium | premium | premium |