| SP | Bumgarner, M.Bumgarner, Madison >> | 25 | 2015 | L | 98 | 10 | 10 | 6 | 2 | 2.32 | .268 | 1.09 | 7.3 | 2.6 | 11.6 | 73.2 | 59 | 19 | 19 | 6 | 21 | 94 | 1 | 0 | 0 | 0 | 9 | 1 | 0 | 2.40 |
| SP | Gonzalez, G.Gonzalez, Gio >> | 30 | 2015 | L | 35 | 10 | 10 | 4 | 3 | 3.18 | .295 | 1.22 | 8.7 | 2.4 | 9.3 | 56.2 | 54 | 20 | 20 | 2 | 15 | 58 | 0 | 0 | 0 | 0 | 6 | 2 | 1 | 2.30 |
| SP | Montgomery, M.Montgomery, Mike >> | 25 | 2015 | L | 32 | 8 | 8 | 0 | 3 | 8.27 | .368 | 1.71 | 13.5 | 2.3 | 6.8 | 32.2 | 48 | 30 | 30 | 12 | 8 | 24 | 0 | 0 | 0 | 0 | 2 | 1 | 3 | 7.22 |
| SP | Frias, C.Frias, Carlos >> | 25 | 2015 | R | 14 | 7 | 6 | 0 | 4 | 7.07 | .354 | 1.61 | 11.9 | 2.6 | 6.4 | 28.0 | 37 | 28 | 22 | 6 | 8 | 20 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 5.32 |
| CL | Britton, Z.Britton, Zach >> | 27 | 2015 | L | 91 | 18 | 0 | 2 | 2 | 1.85 | .215 | 0.82 | 6.0 | 1.5 | 12.0 | 24.1 | 16 | 5 | 5 | 1 | 4 | 32 | 0 | 3 | 1 | 0 | 0 | 0 | 0 | 1.38 |
| SU | Herrera, K.Herrera, Kelvin >> | 25 | 2015 | R | 81 | 24 | 0 | 0 | 2 | 2.89 | .276 | 1.07 | 5.5 | 4.2 | 7.7 | 28.0 | 17 | 9 | 9 | 4 | 13 | 24 | 0 | 1 | 3 | 0 | 0 | 2 | 0 | 4.75 |
| RP | Bastardo, A.Bastardo, Antonio >> | 30 | 2015 | L | 86 | 28 | 0 | 2 | 0 | 3.44 | .292 | 1.18 | 6.1 | 4.5 | 7.4 | 34.0 | 23 | 14 | 13 | 5 | 17 | 28 | 0 | 0 | 2 | 0 | 0 | 2 | 6 | 4.94 |
| RP | Alvarez, J.Alvarez, Jose >> | 26 | 2015 | L | 63 | 22 | 0 | 3 | 0 | 3.14 | .306 | 1.29 | 7.4 | 4.5 | 8.7 | 28.2 | 23 | 10 | 10 | 4 | 14 | 27 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 4.54 |
| RP | Perkins, G.Perkins, Glen >> | 32 | 2015 | L | 57 | 17 | 0 | 3 | 1 | 2.95 | .273 | 1.13 | 8.6 | 1.7 | 9.4 | 21.1 | 20 | 7 | 7 | 1 | 4 | 22 | 0 | 3 | 0 | 0 | 0 | 0 | 2 | 2.10 |
| RP | Perez, O.Perez, Oliver >> | 34 | 2015 | L | 54 | 12 | 0 | 0 | 0 | 4.05 | .344 | 1.58 | 9.7 | 4.8 | 14.5 | 13.1 | 14 | 6 | 6 | 1 | 7 | 21 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 2.38 |
| RP | Shreve, C.Shreve, Chasen >> | 24 | 2015 | L | 51 | 14 | 0 | 1 | 0 | 4.00 | .316 | 1.39 | 9.5 | 3.0 | 11.0 | 18.0 | 19 | 10 | 8 | 4 | 6 | 22 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.44 |