| SP | Tomlin, J.Tomlin, Josh † >> | 30 | 2015 | R | 97 | 23 | 23 | 13 | 3 | 3.27 | .266 | 1.07 | 7.7 | 2.0 | 8.3 | 156.2 | 133 | 59 | 57 | 17 | 34 | 144 | 2 | 0 | 0 | 1 | 16 | 3 | 2 | 3.28 |
| SP | Archer, C.Archer, Chris >> | 26 | 2015 | R | 87 | 22 | 22 | 10 | 8 | 4.17 | .312 | 1.31 | 8.8 | 3.0 | 9.7 | 131.2 | 128 | 63 | 61 | 14 | 44 | 141 | 1 | 0 | 0 | 0 | 12 | 7 | 4 | 3.40 |
| SP | Estrada, M.Estrada, Marco >> | 32 | 2015 | R | 90 | 22 | 22 | 7 | 6 | 3.54 | .304 | 1.28 | 8.4 | 3.2 | 7.9 | 119.1 | 111 | 51 | 47 | 14 | 42 | 104 | 0 | 0 | 0 | 0 | 10 | 3 | 5 | 3.92 |
| SP | Buchholz, C.Buchholz, Clay >> | 31 | 2015 | R | 60 | 22 | 22 | 10 | 6 | 4.49 | .326 | 1.41 | 10.1 | 2.7 | 7.5 | 128.1 | 143 | 64 | 64 | 10 | 38 | 106 | 0 | 0 | 0 | 0 | 10 | 5 | 1 | 3.37 |
| SP | McCullers, L.McCullers, Lance >> | 22 | 2015 | R | 80 | 22 | 22 | 13 | 4 | 4.22 | .313 | 1.36 | 9.0 | 3.3 | 8.8 | 121.2 | 121 | 57 | 57 | 11 | 44 | 118 | 0 | 0 | 0 | 0 | 11 | 1 | 3 | 3.35 |
| RP | Kimbrel, C.Kimbrel, Craig >> | 27 | 2015 | R | 86 | 62 | 0 | 3 | 1 | 3.73 | .276 | 1.11 | 5.8 | 4.2 | 11.3 | 82.0 | 53 | 36 | 34 | 11 | 38 | 103 | 0 | 3 | 1 | 0 | 0 | 3 | 3 | 3.73 |
| RP | Familia, J.Familia, Jeurys † >> | 25 | 2015 | R | 79 | 56 | 0 | 5 | 2 | 1.82 | .261 | 1.04 | 6.5 | 3.0 | 8.6 | 64.1 | 46 | 15 | 13 | 2 | 21 | 61 | 0 | 1 | 3 | 0 | 0 | 1 | 2 | 2.53 |
| CL | Miller, A.Miller, Andrew † >> | 30 | 2015 | L | 100 | 50 | 0 | 3 | 4 | 3.83 | .277 | 1.13 | 7.0 | 3.2 | 10.3 | 54.0 | 42 | 23 | 23 | 6 | 19 | 62 | 0 | 29 | 3 | 0 | 0 | 1 | 1 | 3.26 |