| SP | Arrieta, J.Arrieta, Jake >> | 29 | 2015 | R | 100 | 23 | 23 | 8 | 7 | 3.78 | .303 | 1.27 | 8.6 | 2.9 | 8.4 | 164.1 | 156 | 72 | 69 | 18 | 53 | 153 | 2 | 0 | 0 | 0 | 14 | 5 | 1 | 3.62 |
| SP | Kluber, C.Kluber, Corey >> | 29 | 2015 | R | 91 | 22 | 22 | 8 | 8 | 4.52 | .313 | 1.35 | 9.2 | 3.0 | 9.0 | 147.1 | 150 | 76 | 74 | 18 | 49 | 147 | 4 | 0 | 0 | 2 | 12 | 2 | 6 | 3.63 |
| SP | Strasburg, S.Strasburg, Stephen >> | 26 | 2015 | R | 82 | 23 | 22 | 9 | 7 | 4.43 | .309 | 1.33 | 8.6 | 3.3 | 10.1 | 122.0 | 117 | 62 | 60 | 15 | 45 | 137 | 0 | 0 | 0 | 0 | 7 | 2 | 4 | 3.51 |
| SP | Hernandez, F.Hernandez, Felix † # >> | 29 | 2015 | R | 75 | 22 | 22 | 13 | 4 | 3.93 | .284 | 1.18 | 8.6 | 2.1 | 8.8 | 149.0 | 142 | 67 | 65 | 18 | 34 | 146 | 0 | 0 | 0 | 0 | 13 | 1 | 4 | 3.32 |
| SP | Santiago, H.Santiago, Hector >> | 27 | 2015 | L | 67 | 22 | 21 | 8 | 8 | 7.26 | .386 | 1.85 | 12.2 | 4.4 | 8.7 | 98.0 | 133 | 81 | 79 | 19 | 48 | 95 | 0 | 0 | 0 | 0 | 8 | 4 | 2 | 5.17 |
| RP | Watson, T.Watson, Tony † >> | 30 | 2015 | L | 81 | 58 | 0 | 8 | 0 | 1.80 | .266 | 1.06 | 7.4 | 2.1 | 6.5 | 80.0 | 66 | 19 | 16 | 4 | 19 | 58 | 0 | 2 | 0 | 0 | 0 | 2 | 0 | 2.99 |
| RP | Ziegler, B.Ziegler, Brad >> | 36 | 2015 | R | 82 | 49 | 0 | 4 | 2 | 4.15 | .313 | 1.37 | 8.8 | 3.5 | 6.6 | 56.1 | 55 | 26 | 26 | 3 | 22 | 41 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 3.41 |
| RP | Clippard, T.Clippard, Tyler >> | 30 | 2015 | R | 73 | 44 | 0 | 2 | 2 | 2.85 | .271 | 1.12 | 6.1 | 4.1 | 7.8 | 53.2 | 36 | 17 | 17 | 5 | 24 | 46 | 0 | 2 | 0 | 0 | 0 | 0 | 4 | 3.85 |
| RP | Grilli, J.Grilli, Jason >> | 39 | 2015 | R | 63 | 35 | 0 | 1 | 1 | 3.83 | .302 | 1.20 | 9.6 | 1.3 | 10.5 | 42.1 | 45 | 18 | 18 | 5 | 6 | 49 | 0 | 0 | 1 | 0 | 0 | 4 | 2 | 2.93 |
| CL | Jansen, K.Jansen, Kenley >> | 27 | 2015 | R | 100 | 45 | 0 | 2 | 5 | 4.37 | .314 | 1.27 | 9.2 | 2.3 | 9.4 | 47.1 | 48 | 24 | 23 | 7 | 12 | 49 | 0 | 21 | 4 | 0 | 0 | 5 | 0 | 3.94 |