| SP | Santiago, H.Santiago, Hector >> | 27 | 2015 | L | 78 | 10 | 10 | 2 | 5 | 6.22 | .368 | 1.73 | 11.5 | 4.1 | 4.9 | 46.1 | 59 | 33 | 32 | 3 | 21 | 25 | 0 | 0 | 0 | 0 | 4 | 1 | 3 | 4.20 |
| SP | Lackey, J.Lackey, John # >> | 37 | 2015 | R | 71 | 9 | 9 | 3 | 2 | 4.27 | .322 | 1.36 | 9.6 | 2.6 | 9.0 | 59.0 | 63 | 28 | 28 | 9 | 17 | 59 | 1 | 0 | 0 | 0 | 5 | 4 | 1 | 4.05 |
| SP | Koehler, T.Koehler, Tom >> | 29 | 2015 | R | 43 | 9 | 8 | 2 | 4 | 4.37 | .330 | 1.43 | 9.0 | 4.0 | 7.2 | 45.1 | 45 | 25 | 22 | 5 | 20 | 36 | 0 | 0 | 0 | 0 | 5 | 2 | 0 | 4.31 |
| SP | Lorenzen, M.Lorenzen, Michael >> | 23 | 2015 | R | 12 | 9 | 7 | 0 | 1 | 3.79 | .344 | 1.57 | 11.3 | 3.1 | 6.7 | 35.2 | 44 | 15 | 15 | 1 | 12 | 26 | 0 | 1 | 0 | 0 | 0 | 0 | 2 | 2.91 |
| RP | Chafin, A.Chafin, Andrew >> | 25 | 2015 | L | 77 | 28 | 0 | 0 | 5 | 3.78 | .333 | 1.44 | 8.7 | 4.4 | 6.0 | 33.1 | 32 | 14 | 14 | 4 | 16 | 22 | 0 | 0 | 1 | 0 | 0 | 2 | 1 | 4.88 |
| RP | Thornton, M.Thornton, Matt >> | 39 | 2015 | L | 76 | 29 | 0 | 2 | 1 | 4.11 | .343 | 1.50 | 9.0 | 4.8 | 7.5 | 30.2 | 30 | 14 | 14 | 3 | 16 | 25 | 0 | 1 | 2 | 0 | 0 | 2 | 0 | 4.43 |
| RP | Gomes, B.Gomes, Brandon >> | 30 | 2015 | R | 60 | 29 | 0 | 0 | 3 | 4.45 | .326 | 1.42 | 9.3 | 3.6 | 6.3 | 30.1 | 31 | 16 | 15 | 2 | 12 | 21 | 0 | 1 | 3 | 0 | 0 | 1 | 0 | 3.77 |
| RP | Holland, G.Holland, Greg >> | 29 | 2015 | R | 42 | 27 | 0 | 3 | 1 | 6.08 | .355 | 1.65 | 9.7 | 5.5 | 9.3 | 26.2 | 28 | 18 | 18 | 4 | 16 | 27 | 0 | 4 | 0 | 0 | 0 | 0 | 3 | 4.77 |
| RP | Germen, G.Germen, Gonzalez >> | 27 | 2015 | R | 13 | 9 | 0 | 0 | 0 | 9.39 | .439 | 2.35 | 18.0 | 5.1 | 11.6 | 7.2 | 14 | 8 | 8 | 1 | 4 | 9 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 4.00 |
| RP | Scahill, R.Scahill, Rob >> | 28 | 2015 | R | 12 | 5 | 0 | 0 | 0 | 1.93 | .364 | 1.71 | 11.3 | 6.8 | 9.0 | 4.2 | 5 | 1 | 1 | 0 | 3 | 4 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 3.25 |