| NAME | GS | SEASON | TM | G | W | L | W% | ERA | SO | CG | SHO | SV | IP | H | ER | R | HR | BB | HBP | GF | IBB | TBF | WP | K/9 | BB/9 | K/BB | HR/9 | K% | BB% | WHIP | BABIP | RA | ERA- | FIP | FIP- | H/9 | PRAA | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | K. Gibson | 32 | 2015 | 32 | 11 | 11 | .500 | 3.84 | 145 | 1 | 0 | 0 | 194.2 | 186 | 83 | 88 | 18 | 65 | 7 | 0 | 6 | 821 | 7 | 6.70 | 3.01 | 2.23 | 0.83 | 17.7 | 7.9 | 1.29 | .287 | 4.07 | 94 | 3.95 | 97 | 8.60 | 2.8 | ||
| 2 | M. Pelfrey | 30 | 2015 | 30 | 6 | 11 | .353 | 4.26 | 86 | 0 | 0 | 0 | 164.2 | 198 | 78 | 86 | 11 | 45 | 12 | 0 | 1 | 714 | 5 | 4.70 | 2.46 | 1.91 | 0.60 | 12.0 | 6.3 | 1.48 | .334 | 4.70 | 104 | 3.99 | 98 | 10.82 | 1.6 | ||
| 3 | P. Hughes | 25 | 2015 | 27 | 11 | 9 | .550 | 4.40 | 94 | 1 | 0 | 0 | 155.1 | 184 | 76 | 76 | 29 | 16 | 2 | 1 | 0 | 651 | 1 | 5.45 | 0.93 | 5.88 | 1.68 | 14.4 | 2.5 | 1.29 | .304 | 4.40 | 108 | 4.69 | 115 | 10.66 | -10.5 | ||
| 4 | T. Milone | 23 | 2015 | 24 | 9 | 5 | .643 | 3.92 | 91 | 0 | 0 | 1 | 128.2 | 128 | 56 | 64 | 17 | 36 | 1 | 1 | 1 | 543 | 3 | 6.37 | 2.52 | 2.53 | 1.19 | 16.8 | 6.6 | 1.27 | .279 | 4.48 | 96 | 4.29 | 105 | 8.95 | -3 | ||
| 5 | E. Santana | 17 | 2015 | 17 | 7 | 5 | .583 | 4.00 | 82 | 0 | 0 | 0 | 108.0 | 104 | 48 | 50 | 12 | 36 | 4 | 0 | 2 | 457 | 3 | 6.83 | 3.00 | 2.28 | 1.00 | 17.9 | 7.9 | 1.30 | .285 | 4.17 | 98 | 4.16 | 102 | 8.67 | -1 | ||
| 6 | T. May | 16 | 2015 | 48 | 8 | 9 | .471 | 4.00 | 110 | 0 | 0 | 0 | 114.2 | 127 | 51 | 53 | 11 | 26 | 4 | 9 | 2 | 492 | 4 | 8.63 | 2.04 | 4.23 | 0.86 | 22.4 | 5.3 | 1.33 | .340 | 4.16 | 98 | 3.24 | 80 | 9.97 | 10.6 | ||
| 7 | T. Duffey | 10 | 2015 | 10 | 5 | 1 | .833 | 3.10 | 53 | 0 | 0 | 0 | 58.0 | 56 | 20 | 20 | 4 | 20 | 0 | 0 | 0 | 242 | 1 | 8.22 | 3.10 | 2.65 | 0.62 | 21.9 | 8.3 | 1.31 | .315 | 3.10 | 76 | 3.23 | 79 | 8.69 | 5.4 | ||
| 8 | R. Nolasco | 8 | 2015 | 9 | 5 | 2 | .714 | 6.75 | 35 | 0 | 0 | 0 | 37.1 | 50 | 28 | 31 | 3 | 14 | 1 | 1 | 2 | 173 | 1 | 8.44 | 3.38 | 2.50 | 0.72 | 20.2 | 8.1 | 1.71 | .392 | 7.47 | 165 | 3.50 | 86 | 12.05 | 2.4 | ||
| 9 | J.R. Graham | 1 | 2015 | 39 | 1 | 1 | .500 | 4.95 | 53 | 0 | 0 | 0 | 63.2 | 73 | 35 | 41 | 10 | 21 | 4 | 19 | 0 | 283 | 5 | 7.49 | 2.97 | 2.52 | 1.41 | 18.7 | 7.4 | 1.48 | .323 | 5.80 | 121 | 4.68 | 115 | 10.32 | -4.2 |