| SP | Verlander, J.Verlander, Justin | 28 | Tigers | R | 93 | 35 | 35 | 21 | 8 | 2.33 | .264 | 1.06 | 6.4 | 3.1 | 6.3 | 285.2 | 203 | 81 | 74 | 28 | 99 | 200 | 16 | 0 | 0 | 5 | 29 | 6 | 3 | 3.98 |
| SP | Hunter, C.Hunter, Catfish # | 26 | Athletics | R | 90 | 35 | 35 | 16 | 11 | 3.52 | .276 | 1.12 | 7.2 | 2.9 | 5.5 | 261.0 | 210 | 106 | 102 | 21 | 83 | 159 | 13 | 0 | 0 | 5 | 21 | 6 | 5 | 3.85 |
| SP | Verlander, J.Verlander, Justin | 39 | Astros | R | 100 | 35 | 35 | 18 | 7 | 3.57 | .281 | 1.16 | 8.2 | 2.2 | 8.5 | 234.1 | 214 | 96 | 93 | 18 | 57 | 221 | 3 | 0 | 0 | 2 | 20 | 4 | 5 | 2.89 |
| SP | Richard, J.Richard, J.R. # | 30 | Astros | R | 99 | 34 | 34 | 18 | 9 | 4.00 | .289 | 1.21 | 7.6 | 3.3 | 8.0 | 236.1 | 199 | 106 | 105 | 14 | 86 | 211 | 1 | 0 | 0 | 0 | 21 | 3 | 4 | 3.11 |
| SP | Robinson, J.Robinson, Jeff | 27 | Tigers | R | 55 | 31 | 31 | 14 | 12 | 4.34 | .325 | 1.44 | 7.8 | 5.1 | 5.3 | 203.1 | 177 | 103 | 98 | 19 | 115 | 119 | 5 | 0 | 0 | 3 | 16 | 2 | 9 | 4.77 |
| CL | Kimbrel, C.Kimbrel, Craig | 29 | Red Sox | R | 97 | 49 | 0 | 0 | 0 | 2.30 | .254 | 1.00 | 6.5 | 2.5 | 11.5 | 47.0 | 34 | 12 | 12 | 2 | 13 | 60 | 0 | 38 | 4 | 0 | 0 | 1 | 2 | 1.89 |