Garrett Richards and Hector Santiago were tied for starting the most games for the Angels in 2015, with 32 starts.
| 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 |  | G. Richards | 32 | 2015 |  LAA | 32 | 15 | 12 | .556 | 3.65 | 176 | 1 | 1 | 0 | 207.1 | 181 | 84 | 94 | 20 | 76 | 5 | 0 | 2 | 865 | 17 | 7.64 | 3.30 | 2.32 | 0.87 | 20.3 | 8.8 | 1.24 | .274 | 4.08 | 94 | 3.86 | 97 | 7.86 | 2.2 |
| 2 | | H. Santiago | 32 | 2015 | LAA | 33 | 9 | 9 | .500 | 3.59 | 162 | 0 | 0 | 0 | 180.2 | 156 | 72 | 80 | 29 | 71 | 10 | 0 | 5 | 776 | 1 | 8.07 | 3.54 | 2.28 | 1.44 | 20.9 | 9.1 | 1.26 | .252 | 3.99 | 92 | 4.77 | 121 | 7.77 | -16.7 |
| 3 | | J. Weaver | 26 | 2015 | LAA | 26 | 7 | 12 | .368 | 4.64 | 90 | 1 | 1 | 0 | 159.0 | 163 | 82 | 84 | 24 | 33 | 12 | 0 | 3 | 669 | 2 | 5.09 | 1.87 | 2.73 | 1.36 | 13.5 | 4.9 | 1.23 | .273 | 4.75 | 119 | 4.81 | 122 | 9.23 | -15.5 |
| 4 | | M. Shoemaker | 24 | 2015 | LAA | 25 | 7 | 10 | .412 | 4.46 | 116 | 0 | 0 | 0 | 135.1 | 135 | 67 | 70 | 24 | 35 | 4 | 1 | 2 | 569 | 3 | 7.71 | 2.33 | 3.31 | 1.60 | 20.4 | 6.2 | 1.26 | .285 | 4.66 | 115 | 4.58 | 116 | 8.98 | -9.7 |
| 5 | | C.J. Wilson | 21 | 2015 | LAA | 21 | 8 | 8 | .500 | 3.89 | 110 | 0 | 0 | 0 | 132.0 | 118 | 57 | 59 | 13 | 46 | 10 | 0 | 2 | 553 | 11 | 7.50 | 3.14 | 2.39 | 0.89 | 19.9 | 8.3 | 1.24 | .281 | 4.02 | 100 | 4.01 | 101 | 8.05 | -1 |
| 6 | | A. Heaney | 18 | 2015 | LAA | 18 | 6 | 4 | .600 | 3.49 | 78 | 0 | 0 | 0 | 105.2 | 99 | 41 | 41 | 9 | 28 | 6 | 0 | 1 | 438 | 4 | 6.64 | 2.38 | 2.79 | 0.77 | 17.8 | 6.4 | 1.20 | .284 | 3.49 | 90 | 3.72 | 94 | 8.43 | 2.7 |
| 7 | | N. Tropeano | 7 | 2015 | LAA | 8 | 3 | 2 | .600 | 3.82 | 38 | 0 | 0 | 0 | 37.2 | 40 | 16 | 18 | 2 | 10 | 0 | 0 | 0 | 161 | 0 | 9.08 | 2.39 | 3.80 | 0.48 | 23.6 | 6.2 | 1.33 | .342 | 4.30 | 98 | 2.60 | 66 | 9.56 | 5.8 |
| 8 | | C. Rasmus | 1 | 2015 | LAA | 16 | 0 | 0 | 5.23 | 27 | 0 | 0 | 0 | 20.2 | 15 | 12 | 12 | 3 | 11 | 1 | 5 | 2 | 88 | 0 | 11.76 | 4.79 | 2.45 | 1.31 | 30.7 | 12.5 | 1.26 | .261 | 5.23 | 135 | 4.14 | 105 | 6.53 | -0.5 | |
| 9 | | D. Rucinski | 1 | 2015 | LAA | 4 | 0 | 2 | .000 | 7.71 | 4 | 0 | 0 | 0 | 7.0 | 10 | 6 | 6 | 1 | 6 | 1 | 2 | 0 | 35 | 2 | 5.14 | 7.71 | 0.67 | 1.29 | 11.4 | 17.1 | 2.29 | .391 | 7.71 | 199 | 6.84 | 173 | 12.86 | -2.3 |
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