| SP | Verlander, J.Verlander, Justin † >> | 36 | 2019 | R | 100 | 31 | 31 | 15 | 11 | 3.97 | .281 | 1.14 | 7.8 | 2.5 | 11.2 | 210.2 | 182 | 93 | 93 | 22 | 59 | 262 | 6 | 0 | 0 | 1 | 19 | 6 | 4 | 2.80 |
| SP | Buehler, W.Buehler, Walker >> | 24 | 2019 | R | 92 | 29 | 29 | 15 | 8 | 4.43 | .305 | 1.25 | 8.8 | 2.5 | 10.1 | 182.2 | 178 | 93 | 90 | 23 | 51 | 205 | 1 | 0 | 0 | 0 | 15 | 11 | 3 | 3.41 |
| SP | Morton, C.Morton, Charlie >> | 36 | 2019 | R | 91 | 30 | 30 | 11 | 7 | 5.34 | .327 | 1.42 | 9.8 | 3.0 | 11.5 | 163.1 | 178 | 97 | 97 | 34 | 54 | 208 | 0 | 0 | 0 | 0 | 14 | 6 | 6 | 4.26 |
| SP | Weaver, L.Weaver, Luke # >> | 25 | 2019 | R | 85 | 29 | 29 | 6 | 2 | 4.89 | .300 | 1.25 | 9.2 | 2.1 | 10.1 | 160.0 | 163 | 87 | 87 | 30 | 37 | 180 | 0 | 0 | 0 | 0 | 14 | 6 | 0 | 3.99 |
| RP | Workman, B.Workman, Brandon >> | 30 | 2019 | R | 94 | 73 | 0 | 5 | 5 | 2.81 | .293 | 1.21 | 5.2 | 5.7 | 12.3 | 102.1 | 59 | 33 | 32 | 0 | 65 | 139 | 0 | 4 | 1 | 0 | 0 | 3 | 3 | 2.27 |
| RP | Osuna, R.Osuna, Roberto † >> | 24 | 2019 | R | 92 | 77 | 0 | 6 | 2 | 3.31 | .282 | 1.14 | 8.2 | 2.1 | 10.0 | 103.1 | 94 | 38 | 38 | 18 | 24 | 115 | 0 | 13 | 4 | 0 | 0 | 4 | 2 | 3.85 |
| RP | Kahnle, T.Kahnle, Tommy >> | 29 | 2019 | R | 82 | 64 | 0 | 5 | 4 | 4.62 | .345 | 1.53 | 9.7 | 4.0 | 10.6 | 74.0 | 80 | 40 | 38 | 11 | 33 | 87 | 0 | 3 | 6 | 0 | 0 | 4 | 7 | 4.08 |
| RP | Jansen, K.Jansen, Kenley >> | 31 | 2019 | R | 78 | 55 | 0 | 5 | 4 | 5.34 | .300 | 1.25 | 8.7 | 2.6 | 10.7 | 59.0 | 57 | 36 | 35 | 13 | 17 | 70 | 0 | 5 | 4 | 0 | 0 | 2 | 0 | 4.46 |
| RP | Feliz, M.Feliz, Michael >> | 26 | 2019 | R | 66 | 46 | 0 | 7 | 3 | 5.44 | .335 | 1.45 | 9.6 | 3.5 | 9.6 | 46.1 | 49 | 28 | 28 | 10 | 18 | 49 | 0 | 5 | 1 | 0 | 0 | 3 | 0 | 5.07 |
| RP | Neris, H.Neris, Hector >> | 30 | 2019 | R | 90 | 50 | 0 | 3 | 0 | 2.64 | .275 | 1.09 | 6.8 | 2.9 | 12.7 | 58.0 | 44 | 20 | 17 | 7 | 19 | 82 | 0 | 4 | 0 | 0 | 0 | 3 | 0 | 2.88 |