| SP | Verlander, J.Verlander, Justin >> | 36 | 2019 | R | 99 | 34 | 34 | 13 | 13 | 4.47 | .300 | 1.27 | 9.0 | 2.5 | 9.0 | 225.1 | 224 | 120 | 112 | 23 | 62 | 226 | 1 | 0 | 0 | 0 | 20 | 4 | 3 | 3.20 |
| SP | Alexander, P.Alexander, Pete >> | 28 | 1915 | R | 92 | 34 | 34 | 15 | 16 | 5.18 | .315 | 1.36 | 8.9 | 3.4 | 5.7 | 234.2 | 232 | 139 | 135 | 33 | 88 | 148 | 9 | 0 | 0 | 2 | 17 | 4 | 6 | 4.75 |
| SP | Flaherty, J.Flaherty, Jack >> | 23 | 2019 | R | 83 | 33 | 33 | 12 | 14 | 4.57 | .320 | 1.40 | 9.0 | 3.7 | 8.4 | 201.0 | 200 | 104 | 102 | 26 | 82 | 187 | 0 | 0 | 0 | 0 | 19 | 2 | 2 | 4.07 |
| CL | Nathan, J.Nathan, Joe † >> | 32 | 2006 | R | 95 | 71 | 0 | 2 | 9 | 4.09 | .267 | 1.06 | 7.1 | 2.5 | 10.1 | 77.0 | 61 | 37 | 35 | 10 | 21 | 86 | 0 | 35 | 8 | 0 | 0 | 2 | 3 | 3.35 |
| SU | Boxberger, B.Boxberger, Brad >> | 26 | 2014 | R | 93 | 82 | 0 | 0 | 5 | 3.46 | .290 | 1.20 | 6.6 | 4.2 | 11.1 | 88.1 | 65 | 39 | 34 | 7 | 41 | 109 | 0 | 1 | 3 | 0 | 0 | 2 | 2 | 3.02 |
| RP | Gallegos, G.Gallegos, Giovanny >> | 27 | 2019 | R | 89 | 86 | 0 | 7 | 2 | 3.90 | .297 | 1.26 | 8.0 | 3.3 | 8.3 | 97.0 | 86 | 45 | 42 | 13 | 36 | 89 | 0 | 1 | 3 | 0 | 0 | 1 | 3 | 4.05 |
| RP | Pagan, E.Pagan, Emilio >> | 28 | 2019 | R | 84 | 61 | 0 | 3 | 3 | 3.82 | .322 | 1.36 | 8.5 | 3.8 | 10.0 | 66.0 | 62 | 31 | 28 | 8 | 28 | 73 | 0 | 1 | 1 | 0 | 0 | 4 | 5 | 3.82 |
| SP | Hendrix, C.Hendrix, Claude >> | 25 | 1914 | R | 77 | 11 | 0 | 2 | 1 | 7.58 | .337 | 1.47 | 9.9 | 3.3 | 5.7 | 19.0 | 21 | 16 | 16 | 5 | 7 | 12 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 6.42 |