| SP | Bumgarner, M.Bumgarner, Madison >> | 25 | 2015 | L | 96 | 23 | 23 | 8 | 12 | 4.61 | .309 | 1.31 | 9.5 | 2.3 | 9.5 | 162.0 | 171 | 88 | 83 | 25 | 42 | 171 | 2 | 0 | 0 | 0 | 10 | 4 | 0 | 3.75 |
| SP | Hendricks, K.Hendricks, Kyle >> | 25 | 2015 | R | 72 | 22 | 22 | 7 | 8 | 5.39 | .352 | 1.56 | 10.8 | 3.3 | 8.4 | 125.1 | 150 | 75 | 75 | 23 | 46 | 116 | 0 | 0 | 0 | 0 | 6 | 8 | 3 | 4.83 |
| SP | Fiers, M.Fiers, Mike # >> | 30 | 2015 | R | 66 | 22 | 22 | 7 | 9 | 4.71 | .321 | 1.39 | 9.6 | 2.9 | 9.4 | 130.0 | 139 | 73 | 68 | 23 | 42 | 136 | 0 | 0 | 0 | 0 | 11 | 3 | 2 | 4.25 |
| RP | Uehara, K.Uehara, Koji >> | 40 | 2015 | R | 95 | 61 | 0 | 7 | 4 | 4.40 | .283 | 1.14 | 7.5 | 2.7 | 9.9 | 86.0 | 72 | 43 | 42 | 10 | 26 | 95 | 0 | 3 | 0 | 0 | 0 | 4 | 4 | 3.35 |
| RP | Gregerson, L.Gregerson, Luke >> | 31 | 2015 | R | 80 | 60 | 0 | 4 | 3 | 4.70 | .318 | 1.36 | 9.1 | 3.2 | 6.5 | 76.2 | 77 | 41 | 40 | 12 | 27 | 55 | 0 | 5 | 7 | 0 | 0 | 3 | 1 | 4.79 |
| RP | Thornton, M.Thornton, Matt >> | 39 | 2015 | L | 64 | 52 | 0 | 3 | 4 | 3.34 | .298 | 1.27 | 8.7 | 2.8 | 5.7 | 62.0 | 60 | 24 | 23 | 4 | 19 | 39 | 0 | 6 | 1 | 0 | 0 | 0 | 2 | 3.50 |
| RP | Perkins, G.Perkins, Glen >> | 32 | 2015 | L | 36 | 21 | 0 | 1 | 3 | 5.01 | .307 | 1.33 | 9.8 | 2.3 | 7.0 | 23.1 | 25 | 17 | 13 | 5 | 6 | 18 | 0 | 1 | 1 | 0 | 0 | 0 | 2 | 5.04 |
| SP | Nelson, J.Nelson, Jimmy >> | 26 | 2015 | R | 55 | 1 | 0 | 0 | 0 | 9.00 | .500 | 3.00 | 9.0 | 18.0 | 0.0 | 1.0 | 1 | 1 | 1 | 0 | 2 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 9.00 |
| SP | Medlen, K.Medlen, Kris >> | 29 | 2015 | R | 47 | 9 | 0 | 0 | 1 | 8.78 | .385 | 1.88 | 14.5 | 2.8 | 6.2 | 13.1 | 21 | 15 | 13 | 1 | 4 | 9 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 3.54 |