| SP | Verlander, J.Verlander, Justin >> | 35 | 2018 | R | 98 | 31 | 31 | 11 | 16 | 4.23 | .288 | 1.20 | 8.2 | 2.6 | 10.4 | 191.1 | 174 | 98 | 90 | 23 | 56 | 220 | 1 | 0 | 0 | 1 | 17 | 2 | 4 | 3.17 |
| SP | Greinke, Z.Greinke, Zack >> | 35 | 2018 | R | 84 | 31 | 31 | 14 | 5 | 4.45 | .333 | 1.47 | 10.3 | 3.0 | 8.3 | 194.0 | 221 | 106 | 96 | 24 | 64 | 179 | 0 | 0 | 0 | 0 | 18 | 5 | 3 | 3.83 |
| SP | Carrasco, C.Carrasco, Carlos # >> | 31 | 2018 | R | 81 | 30 | 30 | 11 | 13 | 4.23 | .309 | 1.33 | 8.6 | 3.3 | 10.6 | 172.1 | 165 | 86 | 81 | 31 | 64 | 202 | 0 | 0 | 0 | 0 | 14 | 2 | 0 | 4.15 |
| SP | Cueto, J.Cueto, Johnny # >> | 32 | 2018 | R | 75 | 30 | 30 | 9 | 15 | 5.64 | .347 | 1.53 | 10.3 | 3.5 | 7.4 | 170.2 | 195 | 115 | 107 | 33 | 66 | 139 | 0 | 0 | 0 | 0 | 6 | 11 | 4 | 5.25 |
| CL | Hader, J.Hader, Josh † >> | 24 | 2018 | L | 100 | 49 | 0 | 4 | 5 | 2.89 | .315 | 1.38 | 6.8 | 5.6 | 10.9 | 53.0 | 40 | 19 | 17 | 5 | 33 | 64 | 0 | 31 | 4 | 0 | 0 | 0 | 0 | 3.68 |
| RP | Rodriguez, R.Rodriguez, Richard >> | 28 | 2018 | R | 77 | 71 | 0 | 4 | 0 | 4.40 | .302 | 1.28 | 8.2 | 3.5 | 11.2 | 75.2 | 68 | 41 | 37 | 13 | 29 | 93 | 0 | 2 | 3 | 0 | 0 | 1 | 11 | 3.97 |
| RP | Cishek, S.Cishek, Steven >> | 32 | 2018 | R | 87 | 41 | 0 | 2 | 2 | 4.71 | .326 | 1.40 | 8.1 | 4.5 | 11.4 | 42.0 | 38 | 25 | 22 | 7 | 21 | 53 | 0 | 0 | 2 | 0 | 0 | 2 | 1 | 4.29 |
| RP | Rogers, T.Rogers, Taylor >> | 27 | 2018 | L | 90 | 80 | 0 | 3 | 1 | 3.99 | .342 | 1.52 | 10.1 | 3.6 | 8.9 | 65.1 | 73 | 33 | 29 | 9 | 26 | 64 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 4.17 |
| RP | Chavez, J.Chavez, Jesse >> | 35 | 2018 | R | 65 | 59 | 0 | 6 | 1 | 6.99 | .348 | 1.55 | 10.9 | 3.2 | 8.4 | 65.2 | 79 | 54 | 51 | 11 | 23 | 61 | 0 | 0 | 1 | 0 | 0 | 3 | 0 | 4.52 |