| SP | Harvey, M.Harvey, Matt # >> | 26 | 2015 | R | 94 | 30 | 30 | 11 | 15 | 4.46 | .293 | 1.24 | 8.9 | 2.3 | 8.4 | 197.2 | 195 | 100 | 98 | 27 | 50 | 184 | 2 | 0 | 0 | 2 | 16 | 1 | 6 | 3.69 |
| SP | Morrow, B.Morrow, Brandon # >> | 31 | 2015 | R | 78 | 29 | 29 | 13 | 6 | 3.53 | .296 | 1.22 | 8.9 | 2.2 | 6.0 | 193.2 | 190 | 78 | 76 | 21 | 47 | 129 | 2 | 0 | 0 | 1 | 20 | 7 | 0 | 3.92 |
| SP | Ramirez, E.Ramirez, Erasmo >> | 25 | 2015 | R | 77 | 28 | 28 | 5 | 14 | 6.01 | .352 | 1.57 | 10.5 | 3.8 | 6.1 | 134.2 | 156 | 93 | 90 | 19 | 56 | 91 | 0 | 0 | 0 | 0 | 5 | 7 | 2 | 4.90 |
| SP | Bauer, T.Bauer, Trevor >> | 24 | 2015 | R | 58 | 27 | 27 | 7 | 12 | 5.54 | .345 | 1.56 | 10.2 | 3.9 | 6.7 | 146.1 | 165 | 99 | 90 | 31 | 64 | 109 | 0 | 0 | 0 | 0 | 11 | 2 | 6 | 5.62 |
| RP | Osuna, R.Osuna, Roberto >> | 20 | 2015 | R | 94 | 77 | 0 | 2 | 6 | 3.63 | .292 | 1.24 | 8.7 | 2.5 | 8.4 | 109.0 | 105 | 45 | 44 | 17 | 30 | 102 | 0 | 6 | 4 | 0 | 0 | 0 | 4 | 3.98 |
| RP | Narveson, C.Narveson, Chris >> | 34 | 2015 | L | 71 | 75 | 0 | 2 | 7 | 5.00 | .312 | 1.34 | 9.3 | 2.8 | 10.1 | 133.1 | 137 | 77 | 74 | 17 | 42 | 149 | 0 | 12 | 1 | 0 | 0 | 2 | 0 | 3.41 |
| RP | Tolleson, S.Tolleson, Shawn >> | 27 | 2015 | R | 50 | 55 | 0 | 4 | 2 | 4.57 | .319 | 1.39 | 10.3 | 2.1 | 12.5 | 67.0 | 77 | 37 | 34 | 12 | 16 | 93 | 0 | 1 | 2 | 0 | 0 | 1 | 0 | 3.31 |
| RP | Boxberger, B.Boxberger, Brad >> | 27 | 2015 | R | 39 | 53 | 0 | 3 | 1 | 4.76 | .332 | 1.46 | 8.7 | 4.5 | 8.3 | 64.1 | 62 | 40 | 34 | 9 | 32 | 59 | 0 | 3 | 0 | 0 | 0 | 2 | 2 | 4.58 |
| SP | Teheran, J.Teheran, Julio >> | 24 | 2015 | R | 49 | 0 | 0 | 0 | 0 | - | .000 | - | - | - | - | 0.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | - |
| SP | Heston, C.Heston, Chris >> | 27 | 2015 | R | 40 | 0 | 0 | 0 | 0 | - | .000 | - | - | - | - | 0.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | - |
| SP | Kennedy, I.Kennedy, Ian >> | 31 | 2015 | R | 50 | 41 | 0 | 4 | 6 | 4.63 | .338 | 1.49 | 10.3 | 3.1 | 11.1 | 70.0 | 80 | 37 | 36 | 11 | 24 | 86 | 0 | 2 | 4 | 0 | 0 | 3 | 3 | 3.74 |