| SP | Scherzer, M.Scherzer, Max >> | 31 | 2015 | R | 99 | 4 | 4 | 2 | 2 | 2.81 | .262 | 0.97 | 7.6 | 1.1 | 7.6 | 32.0 | 27 | 10 | 10 | 4 | 4 | 27 | 0 | 0 | 0 | 0 | 3 | 3 | 0 | 3.59 |
| SP | Zimmermann, J.Zimmermann, Jordan >> | 29 | 2015 | R | 64 | 4 | 4 | 2 | 1 | 1.82 | .226 | 0.84 | 5.3 | 2.5 | 8.7 | 29.2 | 17 | 6 | 6 | 2 | 8 | 28 | 0 | 0 | 0 | 0 | 4 | 1 | 0 | 2.90 |
| SP | Gonzalez, G.Gonzalez, Gio >> | 30 | 2015 | L | 36 | 3 | 3 | 2 | 0 | 1.96 | .267 | 1.09 | 7.0 | 3.0 | 10.0 | 18.1 | 14 | 4 | 4 | 0 | 6 | 20 | 0 | 0 | 0 | 0 | 3 | 0 | 1 | 1.78 |
| SP | Strasburg, S.Strasburg, Stephen >> | 26 | 2015 | R | 87 | 3 | 3 | 2 | 0 | 1.47 | .247 | 0.98 | 8.0 | 1.0 | 12.0 | 18.1 | 16 | 3 | 3 | 1 | 2 | 24 | 0 | 0 | 0 | 0 | 3 | 0 | 1 | 1.39 |
| SP | Fister, D.Fister, Doug >> | 31 | 2015 | R | 23 | 2 | 2 | 0 | 1 | 3.86 | .243 | 0.96 | 9.0 | 0.0 | 9.0 | 9.1 | 9 | 4 | 4 | 1 | 0 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2.44 |
| RP | Rivero, F.Rivero, Felipe >> | 23 | 2015 | L | 89 | 9 | 0 | 0 | 0 | 3.86 | .263 | 1.07 | 9.0 | 2.3 | 11.3 | 4.2 | 4 | 2 | 2 | 1 | 1 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.50 |
| RP | Storen, D.Storen, Drew >> | 27 | 2015 | R | 82 | 11 | 0 | 1 | 1 | 4.91 | .250 | 1.00 | 9.0 | 0.0 | 11.5 | 11.0 | 11 | 6 | 6 | 3 | 0 | 14 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.00 |
| RP | Thornton, M.Thornton, Matt >> | 39 | 2015 | L | 74 | 7 | 0 | 0 | 1 | 5.40 | .231 | 0.90 | 9.0 | 0.0 | 12.0 | 3.1 | 3 | 2 | 2 | 1 | 0 | 4 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 4.67 |
| RP | Janssen, C.Janssen, Casey >> | 34 | 2015 | R | 58 | 10 | 0 | 0 | 0 | 0.96 | .243 | 0.96 | 7.0 | 2.0 | 3.0 | 9.1 | 7 | 1 | 1 | 0 | 2 | 3 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 3.00 |
| RP | Barrett, A.Barrett, Aaron >> | 27 | 2015 | R | 57 | 5 | 0 | 1 | 0 | 1.93 | .176 | 0.64 | 6.8 | 0.0 | 13.5 | 4.2 | 3 | 1 | 1 | 1 | 0 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3.25 |
| RP | Treinen, B.Treinen, Blake >> | 27 | 2015 | R | 40 | 0 | 0 | 0 | 0 | - | .000 | - | - | - | - | 0.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | - |
| RP | Roark, T.Roark, Tanner >> | 28 | 2015 | R | 33 | 2 | 0 | 0 | 0 | 0.00 | .429 | 2.25 | 9.0 | 18.0 | 0.0 | 1.1 | 1 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9.00 |