| # | 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 |
| - | Bobby Honeyman | 22 | 3B | L | 118 | 58 | 228 | 32 | 79 | 12 | 4 | 3 | 29 | 4 | 3 | 12 | 24 | 2 | 1 | 1 | 1 | 3 | 108 | 244 | 19 | 60 | .346 | .383 | .474 | .857 | .184 | .128 | .376 | 4.92 | 9.84 | 2.00 | 76.00 | 2018- 29- 868-SEA | premium | premium | premium | AA | 2015-2021 | 2018 | |
| - | Charlie McConnell | 22 | RF-LF | L | 97 | 65 | 225 | 32 | 64 | 5 | 1 | 4 | 24 | 11 | 4 | 13 | 36 | 1 | 2 | 3 | 1 | 5 | 83 | 244 | 10 | 54 | .284 | .322 | .369 | .691 | .173 | .085 | .319 | 5.33 | 14.75 | 2.77 | 56.25 | 2018- 13- 388-SEA | premium | premium | premium | A | 2016-2019 | 2018 | |
| - | Connor Kopach | 23 | SS | R | 109 | 61 | 212 | 36 | 58 | 15 | 3 | 2 | 27 | 14 | 4 | 27 | 58 | 3 | 1 | 1 | 0 | 2 | 85 | 244 | 20 | 38 | .274 | .362 | .401 | .763 | .302 | .127 | .366 | 11.07 | 23.77 | 2.15 | 106.00 | 2018- 25- 748-SEA | premium | premium | premium | AAA | 2014-2022 | 2018 | |
| - | Josh Stowers | 21 | CF | R | 115 | 58 | 200 | 32 | 52 | 15 | 0 | 5 | 28 | 20 | 4 | 37 | 57 | 3 | 2 | 2 | 0 | 2 | 82 | 244 | 20 | 32 | .260 | .380 | .410 | .790 | .415 | .150 | .336 | 15.16 | 23.36 | 1.54 | 40.00 | 2018- 2- 54-SEA | premium | premium | premium | AA | 2016-2025 | 2018 | |
| - | Nick Rodriguez | 22 | 1B-2B | R | 100 | 57 | 195 | 34 | 50 | 10 | 0 | 7 | 24 | 2 | 1 | 12 | 46 | 2 | 0 | 1 | 0 | 6 | 81 | 210 | 17 | 33 | .256 | .305 | .415 | .720 | .226 | .159 | .301 | 5.71 | 21.90 | 3.83 | 27.86 | 2018- 22- 658-SEA | premium | premium | premium | A | 2015-2019 | 2018 | |
| - | Ryan Garcia | 22 | 1B | L | 94 | 54 | 189 | 24 | 42 | 10 | 1 | 5 | 22 | 2 | 0 | 21 | 33 | 1 | 0 | 2 | 0 | 4 | 69 | 213 | 16 | 26 | .222 | .300 | .365 | .665 | .265 | .143 | .242 | 9.86 | 15.49 | 1.57 | 37.80 | 2017- 32- 963-SEA | premium | premium | premium | A+ | 2014-2018 | 2018 | |
| - | Ryne Ogren | 21 | SS | R | 101 | 55 | 188 | 26 | 47 | 9 | 1 | 3 | 31 | 5 | 1 | 23 | 43 | 5 | 0 | 2 | 0 | 1 | 67 | 218 | 13 | 34 | .250 | .344 | .356 | .700 | .250 | .106 | .306 | 10.55 | 19.72 | 1.87 | 62.67 | 2018- 12- 358-SEA | premium | premium | premium | AAA | 2016-2021 | 2018 | |
| - | Ryan Ramiz | 22 | LF | L | 100 | 47 | 166 | 24 | 40 | 5 | 2 | 2 | 13 | 4 | 3 | 32 | 47 | 1 | 2 | 2 | 0 | 1 | 55 | 203 | 9 | 31 | .241 | .363 | .331 | .694 | .289 | .090 | .319 | 15.76 | 23.15 | 1.47 | 83.00 | 2018- 23- 688-SEA | premium | premium | premium | A | 2015-2021 | 2018 | |
| - | Cal Raleigh | 21 | C | B | 123 | 38 | 146 | 25 | 42 | 10 | 1 | 8 | 29 | 1 | 1 | 18 | 29 | 1 | 0 | 1 | 0 | 5 | 78 | 166 | 19 | 23 | .288 | .367 | .534 | .901 | .370 | .246 | .309 | 10.84 | 17.47 | 1.61 | 18.25 | 2018- 3- 90-SEA | premium | premium | premium | MLB | 2021-2025 | 2016-2025 | 2018 |
| - | Jansiel Rivera | 19 | RF-CF | L | 95 | 49 | 143 | 16 | 31 | 5 | 0 | 5 | 21 | 3 | 3 | 19 | 57 | 2 | 0 | 1 | 0 | 4 | 51 | 165 | 10 | 21 | .217 | .315 | .357 | .672 | .273 | .140 | .317 | 11.52 | 34.55 | 3.00 | 28.60 | 2016- 22- 657-SEA | premium | premium | premium | AAA | 2016-2019 | 2018 | |
| - | Geoandry Montilla | 22 | C-LF | R | 88 | 35 | 121 | 19 | 26 | 8 | 0 | 3 | 11 | 1 | 2 | 8 | 47 | 3 | 1 | 0 | 0 | 1 | 43 | 133 | 11 | 15 | .215 | .280 | .355 | .635 | .198 | .140 | .324 | 6.02 | 35.34 | 5.88 | 40.33 | 2013- UDFA -SEA | premium | premium | premium | A- | 2015-2018 | 2018 | |
| - | Matt Sanders | 22 | 2B | R | 76 | 34 | 111 | 10 | 24 | 7 | 0 | 0 | 14 | 1 | 3 | 10 | 19 | 0 | 0 | 3 | 0 | 1 | 31 | 124 | 7 | 17 | .216 | .274 | .279 | .553 | .135 | .063 | .253 | 8.06 | 15.32 | 1.90 | 0.00 | 2018- 10- 298-SEA | premium | premium | premium | AA | 2015-2019 | 2018 | |
| - | Troy Dixon | 23 | C | L | 67 | 32 | 108 | 11 | 20 | 4 | 0 | 1 | 9 | 0 | 1 | 6 | 26 | 0 | 1 | 1 | 0 | 4 | 27 | 116 | 5 | 15 | .185 | .226 | .250 | .476 | .111 | .065 | .232 | 5.17 | 22.41 | 4.33 | 108.00 | 2017- 20- 603-SEA | premium | premium | premium | A- | 2014-2019 | 2018 | |
| - | Connor Hoover | 21 | 2B | L | 107 | 26 | 82 | 12 | 19 | 5 | 0 | 3 | 12 | 2 | 3 | 18 | 22 | 0 | 0 | 1 | 0 | 1 | 33 | 101 | 8 | 11 | .232 | .366 | .402 | .768 | .378 | .170 | .276 | 17.82 | 21.78 | 1.22 | 27.33 | 2017- 21- 633-SEA | premium | premium | premium | AAA | 2015-2023 | 2018 | |
| - | Jake Anchia | 21 | C | R | 95* | 15 | 57 | 6 | 13 | 3 | 0 | 2 | 8 | 0 | 0 | 3 | 16 | 2 | 0 | 0 | 0 | 0 | 22 | 62 | 5 | 8 | .228 | .290 | .386 | .676 | .211 | .158 | .282 | 4.84 | 25.81 | 5.33 | 28.50 | 2018- 7- 208-SEA | premium | premium | premium | AAA | 2016-2025 | 2018 | |
| - | Cash Gladfelter | 21 | 3B | L | 89* | 19 | 55 | 7 | 10 | 3 | 0 | 0 | 4 | 0 | 0 | 11 | 16 | 2 | 0 | 0 | 0 | 3 | 13 | 68 | 3 | 7 | .182 | .338 | .236 | .574 | .255 | .054 | .256 | 16.18 | 23.53 | 1.45 | 0.00 | 2018- 27- 808-SEA | premium | premium | premium | A- | 2016-2019 | 2018 | |
| - | Ronald Rosario | 21 | RF | L | 13 | 38 | 2 | 3 | 1 | 0 | 0 | 1 | 0 | 0 | 1 | 17 | 0 | 0 | 0 | 0 | 2 | 4 | 39 | 1 | 2 | .079 | .103 | .105 | .208 | .053 | .026 | .143 | 2.56 | 43.59 | 17.00 | 0.00 | 2013- UDFA -SEA | premium | premium | premium | A- | 2014-2018 | 2018 | ||
| - | Keegan McGovern | 22 | LF | L | 4 | 16 | 2 | 5 | 2 | 0 | 0 | 2 | 0 | 1 | 0 | 3 | 1 | 0 | 0 | 0 | 0 | 7 | 17 | 2 | 3 | .313 | .353 | .438 | .791 | .063 | .125 | .385 | 0.00 | 17.65 | 0.00 | 0.00 | 2018- 9- 268-SEA | premium | premium | premium | AA | 2015-2021 | 2018 | ||
| - | Cameron Perkins | 27 | RF-LF | R | 4 | 16 | 3 | 4 | 1 | 0 | 1 | 3 | 1 | 0 | 1 | 4 | 1 | 0 | 0 | 1 | 0 | 8 | 18 | 2 | 2 | .250 | .333 | .500 | .833 | .375 | .250 | .273 | 5.56 | 22.22 | 4.00 | 16.00 | 2012- 6- 218-PHI | premium | premium | premium | MLB | 2017-2017 | 2010-2019 | 2018 | |
| - | Onil Pena | 21 | 1B | R | 4 | 15 | 1 | 3 | 0 | 0 | 0 | 2 | 0 | 0 | 2 | 3 | 1 | 0 | 0 | 0 | 1 | 3 | 18 | 0 | 3 | .200 | .333 | .200 | .533 | .133 | .000 | .250 | 11.11 | 16.67 | 1.50 | 0.00 | 2013- UDFA -SEA | premium | premium | premium | A | 2014-2019 | 2018 | ||
| - | Robinson Cano | 35 | 3B-2B | L | 3 | 11 | 3 | 5 | 1 | 0 | 2 | 6 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 12 | 12 | 3 | 2 | .455 | .500 | 1.091 | 1.591 | .727 | .636 | .333 | 8.33 | 0.00 | 0.00 | 5.50 | 2001- UDFA -NYA | premium | premium | premium | MLB | 2005-2022 | 2001-2025 | 2018 | |
| - | Rainis Silva | 22 | C | R | 2 | 7 | 1 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 7 | 2 | 0 | .286 | .286 | .571 | .857 | .286 | .285 | .286 | 0.00 | 0.00 | 0.00 | 0.00 | 2012- UDFA -MIN | premium | premium | premium | AA | 2013-2018 | 2018 | ||
| - | Cesar Izturis | 18 | 2B | B | 1 | 4 | 0 | 2 | 1 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 4 | 1 | 1 | .500 | .500 | .750 | 1.250 | .250 | .250 | .500 | 0.00 | 0.00 | 0.00 | 0.00 | 2016- UDFA -SEA | premium | premium | premium | AAA | 2017-2025 | 2018 | ||
| Totals: | 734 | 2533 | 358 | 641 | 134 | 13 | 56 | 322 | 71 | 34 | 275 | 603 | 31 | 10 | 21 | 3 | 47 | 969 | 2870 | 203 | 438 | .253 | .331 | .383 | .714 | .253 | .129 | .309 | 9.58 | 21.01 | 2.19 | 45.23 | 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 |
| - | Grant Spranger | 22 | L | 0 | 1 | 2.00 | 6 | 0 | 0 | 0 | 6 | 1 | 0 | 9.0 | 6 | 5 | 2 | 1 | 5 | 14 | 0 | 0 | 1 | 1.22 | 6.00 | 1.00 | 5.00 | 14.00 | 5.00 | 2.80 | 2018- UDFA -SEA | premium | premium | premium | A- | 2017-2018 | 2018 | |
| - | J.T. Salter | 22 | R | 0 | 1 | 5.19 | 9 | 0 | 0 | 0 | 9 | 3 | 1 | 8.2 | 11 | 5 | 5 | 0 | 8 | 14 | 2 | 0 | 0 | 2.19 | 11.42 | 0.00 | 8.31 | 14.54 | 5.19 | 1.75 | 2018- 20- 598-SEA | premium | premium | premium | A+ | 2017-2019 | 2018 | |
| - | Devin Sweet | 21 | R | 1 | 0 | 3.38 | 6 | 0 | 0 | 0 | 6 | 1 | 0 | 8.0 | 10 | 5 | 3 | 0 | 2 | 11 | 0 | 0 | 0 | 1.50 | 11.25 | 0.00 | 2.25 | 12.38 | 5.63 | 5.50 | 2018- UDFA -SEA | premium | premium | premium | MLB | 2023-2023 | 2015-2025 | 2018 |
| - | Orlando Razo | 23 | L | 5 | 3 | 3.24 | 15 | 15 | 0 | 0 | 0 | 0 | 0 | 77.2 | 74 | 34 | 28 | 10 | 25 | 65 | 5 | 0 | 2 | 1.27 | 8.58 | 1.16 | 2.90 | 7.53 | 3.94 | 2.60 | 2017- 16- 483-SEA | premium | premium | premium | A+ | 2014-2018 | 2018 | |
| - | Jheyson Caraballo | 22 | R | 4 | 5 | 5.12 | 14 | 14 | 0 | 0 | 0 | 0 | 0 | 63.1 | 69 | 40 | 36 | 6 | 25 | 48 | 8 | 1 | 8 | 1.48 | 9.81 | 0.85 | 3.55 | 6.82 | 5.68 | 1.92 | 2015- UDFA -HOU | premium | premium | premium | A- | 2016-2018 | 2018 | |
| - | Carlos Hernandez | 22 | R | 3 | 5 | 4.60 | 14 | 13 | 0 | 0 | 1 | 0 | 0 | 60.2 | 63 | 36 | 31 | 5 | 21 | 46 | 4 | 0 | 8 | 1.38 | 9.35 | 0.74 | 3.12 | 6.82 | 5.34 | 2.19 | 2014- UDFA -SEA | premium | premium | premium | AAA | 2015-2019 | 2018 | |
| - | Tyler Jackson | 24 | R | 0 | 0 | 0.00 | 3 | 0 | 0 | 0 | 3 | 1 | 1 | 6.1 | 5 | 1 | 0 | 0 | 0 | 8 | 0 | 0 | 0 | 0.79 | 7.11 | 0.00 | 0.00 | 11.37 | 1.42 | 0.00 | 2017- UDFA -SEA | premium | premium | premium | AAA | 2015-2018 | 2018 | |
| - | Ivan Fortunato | 19 | R | 4 | 3 | 3.83 | 14 | 3 | 0 | 0 | 11 | 0 | 0 | 51.2 | 50 | 30 | 22 | 6 | 19 | 45 | 6 | 0 | 10 | 1.34 | 8.71 | 1.05 | 3.31 | 7.84 | 5.23 | 2.37 | 2015- UDFA -SEA | premium | premium | premium | A- | 2016-2019 | 2018 | |
| - | Max Roberts | 20 | L | 1 | 3 | 4.25 | 10 | 9 | 0 | 0 | 1 | 0 | 0 | 42.1 | 43 | 20 | 20 | 4 | 17 | 47 | 5 | 0 | 3 | 1.42 | 9.14 | 0.85 | 3.61 | 9.99 | 4.25 | 2.76 | 2017- 7- 213-SEA | premium | premium | premium | AAA | 2017-2025 | 2018 | |
| - | Rob Whalen | 24 | R | 0 | 1 | 9.64 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 4.2 | 9 | 6 | 5 | 3 | 0 | 5 | 0 | 0 | 0 | 1.93 | 17.36 | 5.79 | 0.00 | 9.64 | 11.57 | 0.00 | 2012- 12- 380-NYN | premium | premium | premium | MLB | 2016-2018 | 2012-2022 | 2018 |
| - | Elias Espino | 21 | R | 0 | 0 | 1.93 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 4.2 | 7 | 2 | 1 | 1 | 2 | 3 | 0 | 0 | 0 | 1.93 | 13.50 | 1.93 | 3.86 | 5.79 | 3.86 | 1.50 | 2016- UDFA -SEA | premium | premium | premium | A+ | 2017-2019 | 2018 | |
| - | Jorge Benitez | 19 | L | 0 | 0 | 2.25 | 2 | 0 | 0 | 0 | 2 | 0 | 0 | 4.0 | 2 | 1 | 1 | 0 | 1 | 6 | 0 | 0 | 1 | 0.75 | 4.50 | 0.00 | 2.25 | 13.50 | 2.25 | 6.00 | 2017- 9- 273-SEA | premium | premium | premium | AAA | 2017-2025 | 2018 | |
| - | Cody Mobley | 21 | R | 3 | 1 | 5.09 | 16 | 1 | 0 | 0 | 15 | 6 | 0 | 35.1 | 24 | 20 | 20 | 4 | 20 | 40 | 5 | 0 | 1 | 1.25 | 6.11 | 1.02 | 5.09 | 10.19 | 5.09 | 2.00 | 2015- 8- 245-SEA | premium | premium | premium | A- | 2015-2018 | 2018 | |
| - | Noah Zavolas | 22 | R | 4 | 2 | 3.37 | 16 | 0 | 0 | 0 | 16 | 5 | 2 | 34.2 | 29 | 15 | 13 | 3 | 9 | 37 | 2 | 1 | 4 | 1.10 | 7.53 | 0.78 | 2.34 | 9.61 | 3.89 | 4.11 | 2018- 18- 538-SEA | premium | premium | premium | AA | 2015-2022 | 2018 | |
| - | Penn Murfee | 24 | R | 3 | 2 | 6.55 | 19 | 0 | 0 | 0 | 19 | 6 | 0 | 33.0 | 35 | 25 | 24 | 6 | 12 | 23 | 0 | 0 | 5 | 1.42 | 9.55 | 1.64 | 3.27 | 6.27 | 6.82 | 1.92 | 2018- 33- 988-SEA | premium | premium | premium | MLB | 2022-2025 | 2015-2025 | 2018 |
| - | Dayeison Arias | 21 | R | 2 | 0 | 1.69 | 19 | 0 | 0 | 0 | 19 | 9 | 1 | 32.0 | 19 | 6 | 6 | 5 | 10 | 45 | 2 | 2 | 2 | 0.91 | 5.34 | 1.41 | 2.81 | 12.66 | 1.69 | 4.50 | 2017- UDFA -SEA | premium | premium | premium | AA | 2017-2025 | 2018 | |
| - | Jamal Wade | 22 | R | 1 | 2 | 4.15 | 20 | 0 | 0 | 0 | 20 | 9 | 1 | 30.1 | 27 | 17 | 14 | 5 | 17 | 37 | 4 | 0 | 3 | 1.45 | 8.01 | 1.48 | 5.04 | 10.98 | 5.04 | 2.18 | 2017- 17- 513-SEA | premium | premium | premium | A | 2015-2021 | 2018 | |
| - | AJ Franks | 23 | R | 0 | 0 | 0.00 | 3 | 0 | 0 | 0 | 3 | 1 | 1 | 3.1 | 3 | 1 | 0 | 0 | 2 | 1 | 0 | 0 | 0 | 1.50 | 8.10 | 0.00 | 5.40 | 2.70 | 2.70 | 0.50 | 2017- UDFA -SEA | premium | premium | premium | A+ | 2014-2018 | 2018 | |
| - | Hisashi Iwakuma | 37 | R | 0 | 0 | 3.00 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 3.0 | 2 | 1 | 1 | 0 | 1 | 2 | 0 | 0 | 0 | 1.00 | 6.00 | 0.00 | 3.00 | 6.00 | 3.00 | 2.00 | 2012- UDFA -SEA | premium | premium | premium | MLB | 2012-2017 | 2002-2018 | 2018 |
| - | Cody Brown | 24 | R | 2 | 4 | 6.44 | 9 | 4 | 0 | 0 | 5 | 0 | 0 | 29.1 | 38 | 24 | 21 | 3 | 11 | 20 | 2 | 0 | 2 | 1.67 | 11.66 | 0.92 | 3.38 | 6.14 | 7.36 | 1.82 | 2018- UDFA -SEA | premium | premium | premium | A- | 2014-2018 | 2018 | |
| - | Ulises Perez | 20 | R | 0 | 1 | 5.40 | 15 | 0 | 0 | 0 | 15 | 6 | 0 | 26.2 | 34 | 16 | 16 | 6 | 9 | 21 | 6 | 0 | 1 | 1.61 | 11.47 | 2.02 | 3.04 | 7.09 | 5.40 | 2.33 | 2013- UDFA -SEA | premium | premium | premium | A- | 2014-2018 | 2018 | |
| - | Michael Plassmeyer | 21 | L | 0 | 1 | 2.25 | 13 | 12 | 0 | 0 | 1 | 0 | 0 | 24.0 | 16 | 7 | 6 | 1 | 4 | 44 | 0 | 0 | 0 | 0.83 | 6.00 | 0.38 | 1.50 | 16.50 | 2.63 | 11.00 | 2018- 4- 118-SEA | premium | premium | premium | MLB | 2022-2023 | 2016-2025 | 2018 |
| - | Ben Onyshko | 21 | L | 1 | 0 | 2.25 | 12 | 0 | 0 | 0 | 12 | 4 | 1 | 20.0 | 17 | 6 | 5 | 1 | 11 | 24 | 4 | 0 | 1 | 1.40 | 7.65 | 0.45 | 4.95 | 10.80 | 2.70 | 2.18 | 2018- 24- 718-SEA | premium | premium | premium | AAA | 2015-2025 | 2018 | |
| - | Justin Grimm | 29 | R | 0 | 0 | 4.50 | 2 | 0 | 0 | 0 | 2 | 0 | 0 | 2.0 | 2 | 1 | 1 | 0 | 2 | 3 | 0 | 0 | 0 | 2.00 | 9.00 | 0.00 | 9.00 | 13.50 | 4.50 | 1.50 | 2010- 5- 166-TEX | premium | premium | premium | MLB | 2012-2022 | 2008-2022 | 2018 |
| - | Grant Anderson | 21 | R | 0 | 0 | 0.00 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 2.0 | 1 | 0 | 0 | 0 | 2 | 3 | 0 | 0 | 0 | 1.50 | 4.50 | 0.00 | 9.00 | 13.50 | 0.00 | 1.50 | 2018- 21- 628-SEA | premium | premium | premium | MLB | 2023-2025 | 2016-2025 | 2018 |
| # | 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 |
| - | Nolan Hoffman | 20 | R | 1 | 3 | 2.45 | 15 | 0 | 0 | 0 | 15 | 10 | 4 | 18.1 | 17 | 8 | 5 | 0 | 7 | 16 | 3 | 0 | 2 | 1.31 | 8.35 | 0.00 | 3.44 | 7.85 | 3.93 | 2.29 | 2018- 5- 148-SEA | premium | premium | premium | MLB | 2025-2025 | 2016-2025 | 2018 |
| - | Joey Gerber | 21 | R | 1 | 0 | 1.93 | 13 | 0 | 0 | 0 | 13 | 11 | 6 | 14.0 | 9 | 3 | 3 | 0 | 6 | 21 | 2 | 0 | 0 | 1.07 | 5.79 | 0.00 | 3.86 | 13.50 | 1.93 | 3.50 | 2018- 8- 238-SEA | premium | premium | premium | MLB | 2020-2025 | 2016-2025 | 2018 |
| - | David Ellingson | 23 | R | 2 | 0 | 2.19 | 7 | 0 | 0 | 0 | 7 | 3 | 1 | 12.1 | 9 | 3 | 3 | 0 | 4 | 13 | 1 | 0 | 0 | 1.05 | 6.57 | 0.00 | 2.92 | 9.49 | 2.19 | 3.25 | 2016- 34-1017-SEA | premium | premium | premium | AA | 2014-2022 | 2018 | |
| - | Feliberto Bonilla | 20 | R | 0 | 0 | 6.75 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 1.1 | 1 | 1 | 1 | 0 | 1 | 2 | 1 | 0 | 0 | 1.50 | 6.75 | 0.00 | 6.75 | 13.50 | 6.75 | 2.00 | 2015- UDFA -SEA | premium | premium | premium | A- | 2016-2018 | 2018 | |
| - | Dario Alvarez | 29 | L | 0 | 0 | 0.00 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 1.0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 18.00 | 0.00 | 0.00 | 2007- UDFA -PHI | premium | premium | premium | MLB | 2014-2017 | 2013-2021 | 2018 |
| Totals: | 38 | 38 | 3.97 | 280 | 76 | 0 | 0 | 76 | 204 | 19 | 663.2 | 632 | 339 | 293 | 70 | 253 | 666 | 62 | 4 | 54 | 1.33 | 8.57 | 0.95 | 3.43 | 9.03 | 4.60 | 2.63 | premium | premium | premium |