| SP | Arrieta, J.Arrieta, Jake † >> | 29 | 2015 | R | 93 | 25 | 25 | 14 | 6 | 3.62 | .311 | 1.34 | 8.6 | 3.6 | 8.2 | 166.2 | 158 | 78 | 67 | 8 | 66 | 152 | 2 | 0 | 0 | 1 | 17 | 2 | 6 | 3.02 |
| SP | Waddell, R.Waddell, Rube >> | 29 | 1905 | L | 67 | 22 | 22 | 8 | 8 | 4.82 | .319 | 1.39 | 9.3 | 3.2 | 5.8 | 136.1 | 141 | 78 | 73 | 12 | 49 | 88 | 2 | 0 | 0 | 1 | 12 | 2 | 1 | 3.98 |
| CL | Uehara, K.Uehara, Koji † >> | 38 | 2013 | R | 100 | 42 | 0 | 0 | 2 | 3.79 | .271 | 1.09 | 6.8 | 3.2 | 10.1 | 40.1 | 30 | 19 | 17 | 3 | 14 | 45 | 0 | 30 | 7 | 0 | 0 | 1 | 0 | 2.85 |
| RP | Capps, C.Capps, Carter >> | 24 | 2015 | R | 84 | 36 | 0 | 2 | 3 | 3.75 | .303 | 1.28 | 7.5 | 4.0 | 10.8 | 36.0 | 30 | 17 | 15 | 1 | 16 | 43 | 0 | 0 | 1 | 0 | 0 | 1 | 1 | 2.39 |