| SP | Tanaka, M.Tanaka, Masahiro # >> | 26 | 2015 | R | 95 | 23 | 23 | 8 | 11 | 4.14 | .281 | 1.17 | 8.8 | 1.7 | 7.2 | 161.0 | 158 | 77 | 74 | 26 | 30 | 128 | 4 | 0 | 0 | 0 | 11 | 1 | 1 | 4.09 |
| SP | Wacha, M.Wacha, Michael # >> | 23 | 2015 | R | 68 | 22 | 22 | 6 | 12 | 5.93 | .365 | 1.69 | 11.3 | 4.0 | 8.1 | 118.1 | 148 | 82 | 78 | 21 | 52 | 106 | 1 | 0 | 0 | 1 | 8 | 4 | 2 | 4.94 |
| SP | Dickey, R.Dickey, R.A. >> | 41 | 2015 | R | 62 | 22 | 22 | 3 | 8 | 5.64 | .362 | 1.69 | 11.2 | 4.0 | 5.6 | 134.0 | 167 | 90 | 84 | 11 | 59 | 83 | 0 | 0 | 0 | 0 | 9 | 2 | 3 | 4.19 |
| SP | Ventura, Y.Ventura, Yordano >> | 24 | 2015 | R | 52 | 22 | 22 | 6 | 9 | 6.35 | .360 | 1.67 | 10.8 | 4.3 | 7.6 | 112.0 | 134 | 86 | 79 | 14 | 53 | 95 | 0 | 0 | 0 | 0 | 7 | 2 | 13 | 4.40 |
| RP | Osuna, R.Osuna, Roberto >> | 20 | 2015 | R | 94 | 60 | 0 | 1 | 5 | 4.56 | .308 | 1.30 | 8.6 | 3.1 | 9.6 | 81.0 | 77 | 41 | 41 | 10 | 28 | 86 | 0 | 4 | 4 | 0 | 0 | 3 | 5 | 3.63 |
| RP | Kontos, G.Kontos, George >> | 30 | 2015 | R | 76 | 61 | 0 | 3 | 3 | 3.53 | .290 | 1.20 | 8.7 | 2.2 | 5.9 | 81.2 | 78 | 32 | 32 | 8 | 20 | 53 | 0 | 6 | 3 | 0 | 0 | 2 | 4 | 3.79 |
| RP | Aardsma, D.Aardsma, David >> | 34 | 2015 | R | 43 | 44 | 0 | 7 | 2 | 4.96 | .313 | 1.37 | 9.0 | 3.4 | 8.0 | 45.1 | 45 | 28 | 25 | 10 | 17 | 40 | 0 | 4 | 2 | 0 | 0 | 0 | 4 | 5.24 |
| RP | Wilhelmsen, T.Wilhelmsen, Tom >> | 31 | 2015 | R | 32 | 36 | 0 | 2 | 2 | 4.87 | .335 | 1.51 | 8.6 | 5.1 | 8.6 | 44.1 | 42 | 24 | 24 | 3 | 25 | 42 | 0 | 4 | 1 | 0 | 0 | 0 | 1 | 3.68 |
| SP | de la Rosa, J.de la Rosa, Jorge >> | 34 | 2015 | L | 43 | 19 | 0 | 4 | 1 | 3.72 | .347 | 1.57 | 8.3 | 6.0 | 8.3 | 36.1 | 33 | 15 | 15 | 2 | 24 | 33 | 0 | 0 | 1 | 0 | 0 | 1 | 3 | 3.97 |