| SP | Cole, G.Cole, Gerrit † >> | 28 | 2019 | R | 100 | 36 | 36 | 16 | 11 | 2.61 | .263 | 1.04 | 6.9 | 2.5 | 11.5 | 251.1 | 192 | 77 | 73 | 28 | 70 | 322 | 3 | 0 | 0 | 2 | 26 | 7 | 1 | 2.80 |
| SP | Glasnow, T.Glasnow, Tyler † >> | 25 | 2019 | R | 100 | 36 | 36 | 16 | 6 | 3.32 | .281 | 1.12 | 7.5 | 2.7 | 10.2 | 200.1 | 166 | 76 | 74 | 30 | 59 | 226 | 0 | 0 | 0 | 0 | 16 | 10 | 1 | 3.73 |
| SP | Taillon, J.Taillon, Jameson >> | 27 | 2019 | R | 75 | 34 | 34 | 6 | 13 | 5.23 | .329 | 1.45 | 10.1 | 2.9 | 8.8 | 177.1 | 199 | 106 | 103 | 27 | 58 | 173 | 0 | 0 | 0 | 0 | 7 | 4 | 5 | 4.08 |
| SP | Agrazal, D.Agrazal, Dario + >> | 24 | 2019 | R | 32 | 33 | 24 | 7 | 9 | 4.92 | .319 | 1.38 | 9.3 | 3.2 | 7.5 | 137.1 | 141 | 77 | 75 | 25 | 48 | 114 | 0 | 3 | 1 | 0 | 5 | 4 | 0 | 4.85 |
| RP | Tuivailala, S.Tuivailala, Sam >> | 26 | 2019 | R | 95 | 93 | 0 | 5 | 7 | 2.84 | .292 | 1.20 | 6.7 | 4.2 | 10.8 | 123.2 | 91 | 42 | 39 | 12 | 57 | 148 | 0 | 6 | 3 | 0 | 0 | 5 | 3 | 3.37 |
| RP | Hughes, J.Hughes, Jared >> | 33 | 2019 | R | 74 | 94 | 0 | 6 | 13 | 4.87 | .338 | 1.48 | 9.1 | 4.2 | 7.4 | 122.0 | 124 | 68 | 66 | 18 | 57 | 100 | 0 | 6 | 2 | 0 | 0 | 6 | 2 | 4.83 |
| RP | Wilson, J.Wilson, Justin >> | 31 | 2019 | L | 66 | 80 | 0 | 4 | 3 | 3.13 | .304 | 1.31 | 6.8 | 5.1 | 10.0 | 97.2 | 73 | 38 | 34 | 9 | 55 | 108 | 0 | 10 | 2 | 0 | 0 | 0 | 5 | 3.68 |
| RP | Rodriguez, R.Rodriguez, Richard # >> | 29 | 2019 | R | 50 | 73 | 0 | 8 | 5 | 3.43 | .285 | 1.17 | 7.6 | 3.0 | 9.1 | 94.1 | 79 | 37 | 36 | 10 | 31 | 95 | 0 | 10 | 5 | 0 | 0 | 3 | 1 | 3.45 |
| RP | Chavez, J.Chavez, Jesse # >> | 36 | 2019 | R | 47 | 65 | 0 | 3 | 5 | 4.88 | .321 | 1.37 | 9.7 | 2.7 | 8.0 | 86.2 | 93 | 52 | 47 | 14 | 26 | 76 | 0 | 10 | 4 | 0 | 0 | 4 | 6 | 4.40 |