| SP | Greinke, Z.Greinke, Zack † >> | 32 | 2015 | R | 98 | 23 | 23 | 12 | 8 | 3.10 | .289 | 1.19 | 8.3 | 2.4 | 6.9 | 171.1 | 158 | 62 | 59 | 18 | 46 | 132 | 3 | 0 | 0 | 0 | 18 | 5 | 4 | 3.72 |
| SP | Verlander, J.Verlander, Justin † >> | 32 | 2015 | R | 84 | 22 | 22 | 17 | 3 | 3.28 | .319 | 1.37 | 9.1 | 3.3 | 7.4 | 153.2 | 154 | 57 | 56 | 15 | 56 | 125 | 1 | 0 | 0 | 0 | 14 | 6 | 3 | 3.86 |
| SP | Morrow, B.Morrow, Brandon >> | 31 | 2015 | R | 78 | 22 | 22 | 8 | 9 | 4.86 | .338 | 1.49 | 10.6 | 2.8 | 6.8 | 133.1 | 157 | 76 | 72 | 19 | 42 | 101 | 3 | 0 | 0 | 2 | 10 | 5 | 0 | 4.40 |
| SP | Richards, G.Richards, Garrett >> | 27 | 2015 | R | 69 | 20 | 20 | 9 | 5 | 4.66 | .328 | 1.42 | 9.1 | 3.7 | 6.6 | 129.1 | 131 | 68 | 67 | 12 | 53 | 95 | 1 | 0 | 0 | 0 | 11 | 5 | 4 | 4.09 |
| RP | Benoit, J.Benoit, Joaquin >> | 38 | 2015 | R | 97 | 62 | 0 | 3 | 4 | 2.60 | .243 | 0.93 | 5.2 | 3.1 | 7.9 | 83.0 | 48 | 27 | 24 | 8 | 29 | 73 | 0 | 8 | 4 | 0 | 0 | 3 | 4 | 3.65 |
| RP | Britton, Z.Britton, Zach >> | 27 | 2015 | L | 83 | 35 | 0 | 1 | 3 | 2.95 | .287 | 1.18 | 8.1 | 2.8 | 9.9 | 39.2 | 35 | 13 | 13 | 3 | 12 | 43 | 0 | 8 | 2 | 0 | 0 | 1 | 0 | 2.79 |
| RP | Villanueva, C.Villanueva, Carlos >> | 32 | 2015 | R | 55 | 17 | 0 | 0 | 1 | 1.37 | .248 | 0.95 | 5.5 | 3.1 | 6.6 | 26.1 | 16 | 4 | 4 | 1 | 9 | 19 | 0 | 1 | 1 | 0 | 0 | 1 | 0 | 3.19 |
| SP | Miller, S.Miller, Shelby >> | 24 | 2015 | R | 63 | 3 | 2 | 1 | 1 | 6.35 | .393 | 1.94 | 13.9 | 4.1 | 9.0 | 11.1 | 17 | 8 | 8 | 2 | 5 | 11 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 4.73 |