| SP | Syndergaard, N.Syndergaard, Noah >> | 22 | 2015 | R | 93 | 29 | 29 | 11 | 10 | 3.84 | .294 | 1.24 | 9.0 | 2.2 | 8.8 | 190.0 | 189 | 89 | 81 | 23 | 46 | 186 | 2 | 0 | 0 | 0 | 16 | 2 | 5 | 3.37 |
| SP | Wacha, M.Wacha, Michael # >> | 23 | 2015 | R | 68 | 29 | 29 | 4 | 15 | 5.95 | .366 | 1.70 | 11.4 | 4.0 | 7.3 | 151.1 | 191 | 101 | 100 | 14 | 67 | 123 | 0 | 0 | 0 | 0 | 12 | 4 | 3 | 3.99 |
| SP | Wilson, C.Wilson, C.J. >> | 35 | 2015 | L | 64 | 28 | 28 | 11 | 14 | 4.93 | .350 | 1.60 | 9.8 | 4.7 | 6.7 | 162.1 | 176 | 90 | 89 | 17 | 84 | 120 | 1 | 0 | 0 | 0 | 15 | 2 | 3 | 4.48 |
| SP | Sanchez, A.Sanchez, Anibal >> | 31 | 2015 | R | 53 | 28 | 28 | 6 | 13 | 5.38 | .347 | 1.58 | 11.6 | 2.7 | 7.7 | 167.1 | 215 | 100 | 100 | 18 | 50 | 142 | 0 | 0 | 0 | 0 | 13 | 2 | 10 | 3.63 |
| SP | Shields, J.Shields, James # >> | 34 | 2015 | R | 50 | 28 | 28 | 11 | 11 | 4.10 | .305 | 1.26 | 8.1 | 3.2 | 9.7 | 180.0 | 162 | 88 | 82 | 22 | 64 | 193 | 1 | 0 | 0 | 0 | 16 | 11 | 1 | 3.69 |
| RP | O'Day, D.O'Day, Darren >> | 33 | 2015 | R | 91 | 77 | 0 | 4 | 4 | 2.46 | .280 | 1.10 | 7.3 | 2.7 | 8.7 | 109.2 | 88 | 36 | 30 | 6 | 33 | 105 | 0 | 7 | 3 | 0 | 0 | 7 | 0 | 2.89 |
| RP | Soria, J.Soria, Joakim >> | 31 | 2015 | R | 65 | 80 | 0 | 7 | 2 | 3.49 | .311 | 1.33 | 8.7 | 3.3 | 8.4 | 95.1 | 92 | 38 | 37 | 5 | 35 | 89 | 0 | 6 | 6 | 0 | 0 | 2 | 6 | 2.98 |
| RP | Janssen, C.Janssen, Casey >> | 34 | 2015 | R | 44 | 68 | 0 | 1 | 7 | 4.60 | .295 | 1.24 | 9.1 | 2.1 | 5.9 | 76.1 | 77 | 43 | 39 | 12 | 18 | 50 | 0 | 11 | 3 | 0 | 0 | 1 | 4 | 4.49 |
| RP | Hochevar, L.Hochevar, Luke >> | 32 | 2015 | R | 30 | 46 | 0 | 3 | 2 | 2.58 | .308 | 1.30 | 8.3 | 3.5 | 7.3 | 52.1 | 48 | 17 | 15 | 4 | 20 | 42 | 0 | 5 | 0 | 0 | 0 | 2 | 3 | 3.65 |
| SP | Anderson, C.Anderson, Chase >> | 27 | 2015 | R | 32 | 4 | 0 | 1 | 0 | 3.60 | .318 | 1.00 | 9.0 | 0.0 | 3.6 | 5.0 | 5 | 2 | 2 | 1 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 6.00 |
| SP | Quintana, J.Quintana, Jose >> | 26 | 2015 | L | 41 | 29 | 0 | 5 | 0 | 6.86 | .384 | 1.87 | 13.9 | 3.0 | 7.3 | 63.0 | 97 | 52 | 48 | 11 | 21 | 51 | 0 | 1 | 0 | 0 | 0 | 0 | 3 | 4.65 |