| SP | Verlander, J.Verlander, Justin # >> | 38 | 2019 | R | 100 | 33 | 33 | 12 | 11 | 4.26 | .286 | 1.18 | 8.2 | 2.5 | 9.5 | 194.1 | 177 | 95 | 92 | 33 | 53 | 204 | 0 | 0 | 0 | 0 | 16 | 3 | 0 | 3.97 |
| SP | Flaherty, J.Flaherty, Jack >> | 24 | 2019 | R | 88 | 33 | 33 | 18 | 8 | 3.84 | .300 | 1.28 | 8.3 | 3.3 | 8.6 | 199.1 | 183 | 89 | 85 | 29 | 72 | 191 | 2 | 0 | 0 | 0 | 20 | 1 | 3 | 4.08 |
| SP | Millwood, K.Millwood, Kevin >> | 27 | 1999 | R | 84 | 32 | 32 | 12 | 12 | 4.89 | .314 | 1.35 | 8.4 | 3.8 | 6.0 | 204.1 | 190 | 113 | 111 | 32 | 86 | 135 | 4 | 0 | 0 | 0 | 15 | 5 | 1 | 5.05 |
| SP | Giolito, L.Giolito, Lucas >> | 26 | 2019 | R | 78 | 32 | 31 | 13 | 7 | 4.54 | .315 | 1.35 | 8.7 | 3.4 | 8.7 | 188.1 | 182 | 104 | 95 | 23 | 72 | 182 | 3 | 0 | 0 | 1 | 16 | 6 | 7 | 3.90 |
| RP | Osuna, R.Osuna, Roberto >> | 26 | 2019 | R | 93 | 83 | 0 | 7 | 4 | 4.14 | .288 | 1.19 | 8.1 | 2.7 | 7.4 | 108.2 | 97 | 52 | 50 | 18 | 32 | 89 | 0 | 11 | 2 | 0 | 0 | 3 | 1 | 4.49 |
| RP | Rocker, J.Rocker, John >> | 27 | 1999 | L | 88 | 110 | 0 | 3 | 2 | 3.43 | .283 | 1.18 | 6.2 | 4.4 | 8.7 | 97.0 | 67 | 40 | 37 | 8 | 47 | 94 | 0 | 10 | 0 | 0 | 0 | 1 | 1 | 3.62 |
| RP | Harris, W.Harris, Will >> | 29 | 2015 | R | 89 | 62 | 0 | 3 | 7 | 4.24 | .283 | 1.18 | 8.1 | 2.6 | 7.1 | 74.1 | 67 | 36 | 35 | 15 | 21 | 58 | 0 | 4 | 5 | 0 | 0 | 0 | 3 | 4.92 |
| RP | Stephenson, R.Stephenson, Robert # >> | 27 | 2019 | R | 85 | 57 | 0 | 4 | 3 | 4.68 | .310 | 1.33 | 7.3 | 4.7 | 8.8 | 75.0 | 61 | 39 | 39 | 8 | 39 | 73 | 0 | 7 | 2 | 0 | 0 | 1 | 4 | 4.04 |