| SP | Verlander, J.Verlander, Justin >> | 36 | 2019 | R | 100 | 48 | 48 | 25 | 14 | 2.68 | .252 | 0.98 | 7.0 | 1.8 | 9.2 | 358.2 | 278 | 115 | 107 | 34 | 73 | 364 | 5 | 0 | 0 | 5 | 36 | 12 | 8 | 2.91 |
| SP | Schmidt, J.Schmidt, Jason >> | 31 | 2004 | R | 87 | 44 | 44 | 21 | 17 | 3.45 | .301 | 1.27 | 7.9 | 3.6 | 8.8 | 329.0 | 288 | 136 | 126 | 40 | 130 | 321 | 9 | 0 | 0 | 4 | 28 | 8 | 6 | 3.89 |
| SP | Greinke, Z.Greinke, Zack # >> | 36 | 2019 | R | 84 | 40 | 40 | 18 | 13 | 4.73 | .313 | 1.32 | 9.3 | 2.7 | 7.1 | 270.1 | 278 | 150 | 142 | 44 | 80 | 212 | 2 | 0 | 0 | 2 | 20 | 12 | 5 | 4.57 |
| RP | Eckersley, D.Eckersley, Dennis >> | 36 | 1990 | R | 97 | 101 | 0 | 8 | 8 | 3.24 | .237 | 0.91 | 7.0 | 1.2 | 8.1 | 147.0 | 115 | 55 | 53 | 19 | 19 | 133 | 0 | 19 | 4 | 0 | 0 | 3 | 0 | 3.32 |
| RP | Pressly, R.Pressly, Ryan >> | 30 | 2019 | R | 94 | 71 | 0 | 2 | 7 | 3.69 | .276 | 1.13 | 6.6 | 3.6 | 10.5 | 78.0 | 57 | 35 | 32 | 12 | 31 | 91 | 0 | 19 | 3 | 0 | 0 | 1 | 6 | 3.90 |
| RP | Osuna, R.Osuna, Roberto # >> | 24 | 2019 | R | 94 | 36 | 0 | 2 | 2 | 4.86 | .302 | 1.30 | 10.0 | 1.7 | 10.2 | 37.0 | 41 | 20 | 20 | 4 | 7 | 42 | 0 | 9 | 3 | 0 | 0 | 0 | 2 | 2.70 |
| RP | Harris, W.Harris, Will >> | 34 | 2019 | R | 91 | 14 | 0 | 1 | 3 | 2.12 | .239 | 0.94 | 5.8 | 2.6 | 10.6 | 17.0 | 11 | 4 | 4 | 2 | 5 | 20 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 3.06 |
| RP | McHugh, C.McHugh, Collin >> | 32 | 2019 | R | 59 | 14 | 0 | 1 | 2 | 2.92 | .351 | 1.62 | 9.8 | 5.3 | 9.0 | 12.1 | 13 | 4 | 4 | 0 | 7 | 12 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 2.75 |
| SP | Urquidy, J.Urquidy, Jose >> | 24 | 2019 | R | 70 | 2 | 0 | 0 | 0 | 0.00 | .400 | 2.00 | 9.0 | 9.0 | 4.5 | 2.0 | 2 | 0 | 0 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.00 |