| SP | Verlander, J.Verlander, Justin >> | 36 | 2019 | R | 99 | 28 | 28 | 9 | 8 | 3.51 | .311 | 1.34 | 9.0 | 3.1 | 9.1 | 182.0 | 181 | 77 | 71 | 25 | 63 | 184 | 1 | 0 | 0 | 1 | 18 | 2 | 1 | 3.84 |
| SP | Cole, G.Cole, Gerrit # >> | 28 | 2019 | R | 92 | 27 | 27 | 9 | 7 | 4.01 | .306 | 1.31 | 8.8 | 3.0 | 9.2 | 155.0 | 151 | 71 | 69 | 23 | 52 | 159 | 1 | 0 | 0 | 1 | 16 | 2 | 0 | 3.92 |
| SP | Horlen, J.Horlen, Joe # >> | 27 | 1964 | R | 79 | 28 | 26 | 10 | 8 | 5.12 | .325 | 1.43 | 10.3 | 2.6 | 5.2 | 147.2 | 168 | 89 | 84 | 22 | 43 | 85 | 4 | 0 | 0 | 2 | 10 | 2 | 4 | 4.71 |
| SP | McLain, D.McLain, Denny >> | 24 | 1968 | R | 78 | 27 | 25 | 7 | 11 | 6.87 | .358 | 1.65 | 11.5 | 3.4 | 6.4 | 127.0 | 162 | 99 | 97 | 26 | 48 | 90 | 2 | 0 | 0 | 1 | 7 | 2 | 0 | 5.43 |
| CL | Doolittle, S.Doolittle, Sean † >> | 31 | 2018 | L | 99 | 77 | 0 | 4 | 5 | 2.38 | .271 | 1.09 | 7.2 | 2.7 | 9.1 | 90.2 | 72 | 25 | 24 | 11 | 27 | 91 | 0 | 32 | 2 | 0 | 0 | 2 | 1 | 3.53 |
| SU | Gossage, R.Gossage, Rich >> | 30 | 1981 | R | 90 | 75 | 0 | 7 | 2 | 4.81 | .328 | 1.44 | 7.7 | 5.2 | 8.6 | 86.0 | 74 | 50 | 46 | 6 | 50 | 82 | 0 | 1 | 8 | 0 | 0 | 2 | 0 | 3.81 |
| RP | Rivera, M.Rivera, Mariano >> | 39 | 2008 | R | 85 | 53 | 0 | 11 | 4 | 6.10 | .324 | 1.42 | 10.9 | 2.0 | 9.1 | 72.1 | 87 | 52 | 49 | 11 | 16 | 73 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 3.67 |