| SP | Greinke, Z.Greinke, Zack † >> | 36 | 2019 | R | 83 | 23 | 23 | 13 | 6 | 3.50 | .300 | 1.26 | 8.8 | 2.5 | 6.4 | 175.0 | 172 | 72 | 68 | 16 | 48 | 125 | 7 | 0 | 0 | 2 | 14 | 5 | 6 | 3.67 |
| SP | Scott, M.Scott, Mike † >> | 31 | 1986 | R | 98 | 24 | 24 | 13 | 6 | 3.48 | .297 | 1.26 | 8.3 | 3.0 | 9.2 | 183.2 | 169 | 75 | 71 | 18 | 62 | 188 | 11 | 0 | 0 | 1 | 13 | 2 | 2 | 3.27 |
| SP | Cole, G.Cole, Gerrit † >> | 28 | 2019 | R | 100 | 25 | 25 | 15 | 6 | 3.74 | .289 | 1.20 | 7.7 | 3.1 | 9.2 | 183.0 | 157 | 77 | 76 | 23 | 63 | 187 | 3 | 0 | 0 | 0 | 14 | 3 | 3 | 3.67 |
| SP | Verlander, J.Verlander, Justin >> | 36 | 2019 | R | 100 | 24 | 24 | 13 | 6 | 4.29 | .316 | 1.36 | 8.7 | 3.5 | 8.8 | 174.0 | 168 | 84 | 83 | 29 | 68 | 171 | 3 | 0 | 0 | 0 | 14 | 5 | 4 | 4.46 |
| SP | Clemens, R.Clemens, Roger >> | 44 | 2006 | R | 85 | 17 | 16 | 6 | 6 | 4.27 | .329 | 1.41 | 9.7 | 3.1 | 6.6 | 105.1 | 113 | 51 | 50 | 10 | 36 | 77 | 1 | 1 | 0 | 1 | 8 | 6 | 0 | 3.97 |
| RP | Pressly, R.Pressly, Ryan >> | 30 | 2019 | R | 95 | 52 | 0 | 5 | 2 | 2.37 | .257 | 1.00 | 6.6 | 2.4 | 9.9 | 57.0 | 42 | 15 | 15 | 4 | 15 | 63 | 0 | 5 | 3 | 0 | 0 | 2 | 1 | 2.60 |
| RP | Harris, W.Harris, Will >> | 34 | 2019 | R | 90 | 23 | 0 | 2 | 1 | 4.98 | .301 | 1.29 | 9.4 | 2.6 | 6.4 | 21.2 | 22 | 12 | 12 | 3 | 6 | 15 | 0 | 2 | 0 | 0 | 0 | 0 | 2 | 4.29 |
| RP | Miller, T.Miller, Trever >> | 33 | 2006 | L | 60 | 66 | 0 | 5 | 0 | 3.20 | .325 | 1.42 | 8.0 | 4.8 | 8.0 | 45.0 | 40 | 16 | 16 | 3 | 24 | 40 | 0 | 5 | 2 | 0 | 0 | 1 | 0 | 3.76 |
| RP | Osuna, R.Osuna, Roberto >> | 24 | 2019 | R | 91 | 65 | 0 | 2 | 3 | 3.70 | .345 | 1.58 | 9.2 | 5.1 | 9.5 | 58.1 | 59 | 24 | 24 | 4 | 33 | 61 | 0 | 11 | 3 | 0 | 0 | 0 | 0 | 3.50 |
| RP | Devenski, C.Devenski, Chris >> | 26 | 2017 | R | 93 | 29 | 0 | 3 | 3 | 3.77 | .301 | 1.26 | 7.8 | 3.5 | 10.5 | 31.0 | 27 | 13 | 13 | 4 | 12 | 36 | 0 | 2 | 1 | 0 | 0 | 1 | 1 | 3.61 |