| SP | Tanaka, M.Tanaka, Masahiro # >> | 26 | 2015 | R | 95 | 34 | 34 | 12 | 13 | 4.05 | .298 | 1.25 | 9.5 | 1.8 | 8.0 | 233.1 | 245 | 108 | 105 | 33 | 46 | 206 | 1 | 0 | 0 | 0 | 19 | 6 | 3 | 3.74 |
| SP | Morrow, B.Morrow, Brandon # >> | 31 | 2015 | R | 78 | 33 | 33 | 11 | 12 | 4.49 | .324 | 1.42 | 9.7 | 3.1 | 7.6 | 212.1 | 228 | 110 | 106 | 20 | 73 | 179 | 2 | 0 | 0 | 0 | 17 | 5 | 0 | 3.64 |
| SP | Hamels, C.Hamels, Cole >> | 32 | 2015 | L | 76 | 32 | 32 | 11 | 17 | 5.82 | .351 | 1.61 | 10.3 | 4.1 | 9.2 | 195.0 | 224 | 133 | 126 | 33 | 89 | 200 | 0 | 0 | 0 | 0 | 11 | 4 | 4 | 4.58 |
| SP | Weaver, J.Weaver, Jered >> | 33 | 2015 | R | 48 | 31 | 31 | 9 | 11 | 6.11 | .336 | 1.49 | 10.7 | 2.8 | 6.9 | 172.1 | 204 | 118 | 117 | 27 | 53 | 132 | 1 | 0 | 0 | 1 | 11 | 5 | 2 | 4.52 |
| RP | Osuna, R.Osuna, Roberto >> | 20 | 2015 | R | 94 | 89 | 0 | 1 | 4 | 4.82 | .340 | 1.51 | 9.7 | 3.9 | 9.6 | 114.0 | 123 | 63 | 61 | 18 | 49 | 121 | 0 | 9 | 6 | 0 | 0 | 4 | 4 | 4.32 |
| RP | Storen, D.Storen, Drew >> | 27 | 2015 | R | 72 | 81 | 0 | 8 | 5 | 4.11 | .298 | 1.25 | 8.8 | 2.5 | 10.6 | 100.2 | 98 | 47 | 46 | 12 | 28 | 118 | 0 | 7 | 1 | 0 | 0 | 2 | 3 | 3.10 |
| RP | Jeffress, J.Jeffress, Jeremy >> | 27 | 2015 | R | 38 | 48 | 0 | 3 | 2 | 5.53 | .364 | 1.70 | 11.4 | 4.1 | 6.3 | 53.2 | 67 | 33 | 33 | 11 | 24 | 37 | 0 | 3 | 0 | 0 | 0 | 1 | 4 | 5.72 |
| RP | Ogando, A.Ogando, Alexi >> | 31 | 2015 | R | 27 | 50 | 0 | 4 | 3 | 3.39 | .274 | 1.13 | 7.3 | 3.0 | 9.0 | 63.2 | 51 | 24 | 24 | 7 | 21 | 63 | 0 | 1 | 3 | 0 | 0 | 0 | 0 | 3.44 |
| SP | Colon, B.Colon, Bartolo >> | 42 | 2015 | R | 39 | 26 | 0 | 2 | 8 | 5.77 | .356 | 1.60 | 12.4 | 2.0 | 5.4 | 53.0 | 73 | 38 | 34 | 11 | 12 | 32 | 0 | 2 | 1 | 0 | 0 | 3 | 0 | 5.34 |