| NAME | ERA | SEASON | TM | G | W | L | W% | GS | 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 | C. Stammen | 2.34 | 2012 | 59 | 6 | 1 | .857 | 0 | 87 | 0 | 0 | 1 | 88.1 | 70 | 23 | 27 | 7 | 36 | 2 | 15 | 4 | 370 | 3 | 8.86 | 3.67 | 2.42 | 0.71 | 23.5 | 9.7 | 1.20 | .265 | 2.75 | 59 | 3.44 | 89 | 7.13 | 4.2 | ||
| 2 | J. Cueto | 2.78 | 2012 | 33 | 19 | 9 | .679 | 33 | 170 | 2 | 0 | 0 | 217.0 | 205 | 67 | 73 | 15 | 49 | 12 | 0 | 5 | 888 | 1 | 7.05 | 2.03 | 3.47 | 0.62 | 19.1 | 5.5 | 1.17 | .296 | 3.03 | 70 | 3.26 | 81 | 8.50 | 17.9 | ||
| 3 | M. Cain | 2.79 | 2012 | 32 | 16 | 5 | .762 | 32 | 193 | 2 | 2 | 0 | 219.1 | 177 | 68 | 73 | 21 | 51 | 9 | 0 | 1 | 876 | 8 | 7.92 | 2.09 | 3.78 | 0.86 | 22.0 | 5.8 | 1.04 | .259 | 3.00 | 76 | 3.39 | 92 | 7.26 | 7.6 | ||
| 4 | K. Lohse | 2.86 | 2012 | 33 | 16 | 3 | .842 | 33 | 143 | 0 | 0 | 0 | 211.0 | 192 | 67 | 74 | 19 | 38 | 4 | 0 | 1 | 864 | 1 | 6.10 | 1.62 | 3.76 | 0.81 | 16.6 | 4.4 | 1.09 | .262 | 3.16 | 74 | 3.50 | 91 | 8.19 | 8.5 | ||
| 5 | G. Gonzalez | 2.89 | 2012 | 32 | 21 | 8 | .724 | 32 | 207 | 2 | 1 | 0 | 199.1 | 149 | 64 | 69 | 9 | 76 | 5 | 0 | 3 | 822 | 10 | 9.35 | 3.43 | 2.72 | 0.41 | 25.2 | 9.2 | 1.13 | .267 | 3.12 | 73 | 2.82 | 73 | 6.73 | 23.3 | ||
| 6 | J. Zimmermann | 2.94 | 2012 | 32 | 12 | 8 | .600 | 32 | 153 | 0 | 0 | 0 | 195.2 | 186 | 64 | 69 | 18 | 43 | 8 | 0 | 2 | 805 | 3 | 7.04 | 1.98 | 3.56 | 0.83 | 19.0 | 5.3 | 1.17 | .288 | 3.17 | 75 | 3.50 | 91 | 8.56 | 7.9 | ||
| 7 | S. Strasburg | 3.16 | 2012 | 28 | 15 | 6 | .714 | 28 | 197 | 0 | 0 | 0 | 159.1 | 136 | 56 | 62 | 15 | 48 | 4 | 0 | 1 | 653 | 5 | 11.13 | 2.71 | 4.10 | 0.85 | 30.2 | 7.4 | 1.15 | .311 | 3.50 | 80 | 2.82 | 73 | 7.68 | 18.6 | ||
| 8 | R. Vogelsong | 3.37 | 2012 | 31 | 14 | 9 | .609 | 31 | 158 | 0 | 0 | 0 | 189.2 | 171 | 71 | 76 | 17 | 62 | 8 | 0 | 7 | 788 | 3 | 7.50 | 2.94 | 2.55 | 0.81 | 20.1 | 7.9 | 1.23 | .284 | 3.61 | 92 | 3.69 | 100 | 8.11 | -0.1 | ||
| 9 | M. Bumgarner | 3.37 | 2012 | 32 | 16 | 11 | .593 | 32 | 191 | 2 | 1 | 0 | 208.1 | 183 | 78 | 87 | 23 | 49 | 7 | 0 | 6 | 849 | 3 | 8.25 | 2.12 | 3.90 | 0.99 | 22.5 | 5.8 | 1.11 | .276 | 3.76 | 92 | 3.49 | 94 | 7.91 | 4.7 | ||
| 10 | R. Detwiler | 3.40 | 2012 | 33 | 10 | 8 | .556 | 27 | 105 | 0 | 0 | 0 | 164.1 | 149 | 62 | 75 | 15 | 52 | 5 | 1 | 0 | 686 | 4 | 5.75 | 2.85 | 2.02 | 0.82 | 15.3 | 7.6 | 1.22 | .263 | 4.11 | 86 | 4.04 | 105 | 8.16 | -3.3 | ||
| 11 | M. Latos | 3.48 | 2012 | 33 | 14 | 4 | .778 | 33 | 185 | 2 | 0 | 0 | 209.1 | 179 | 81 | 87 | 25 | 64 | 4 | 0 | 9 | 858 | 3 | 7.95 | 2.75 | 2.89 | 1.07 | 21.6 | 7.5 | 1.16 | .266 | 3.74 | 87 | 3.85 | 96 | 7.70 | 4.1 | ||
| 12 | J. Kelly | 3.53 | 2012 | 24 | 5 | 7 | .417 | 16 | 75 | 0 | 0 | 0 | 107.0 | 112 | 42 | 50 | 10 | 36 | 3 | 4 | 2 | 457 | 4 | 6.31 | 3.03 | 2.08 | 0.84 | 16.4 | 7.9 | 1.38 | .306 | 4.21 | 91 | 3.99 | 103 | 9.42 | -1.6 | ||
| 13 | H. Bailey | 3.68 | 2012 | 33 | 13 | 10 | .565 | 33 | 168 | 2 | 1 | 0 | 208.0 | 206 | 85 | 97 | 26 | 52 | 8 | 0 | 3 | 874 | 3 | 7.27 | 2.25 | 3.23 | 1.13 | 19.2 | 5.9 | 1.24 | .290 | 4.20 | 92 | 3.96 | 99 | 8.91 | 1.5 | ||
| 14 | B. Arroyo | 3.74 | 2012 | 32 | 12 | 10 | .545 | 32 | 129 | 1 | 1 | 0 | 202.0 | 209 | 84 | 86 | 26 | 35 | 5 | 0 | 1 | 835 | 3 | 5.75 | 1.56 | 3.69 | 1.16 | 15.4 | 4.2 | 1.21 | .286 | 3.83 | 94 | 4.08 | 101 | 9.31 | -1.1 | ||
| 15 | L. Lynn | 3.78 | 2012 | 35 | 18 | 7 | .720 | 29 | 180 | 0 | 0 | 0 | 176.0 | 168 | 74 | 76 | 16 | 64 | 10 | 2 | 3 | 744 | 3 | 9.20 | 3.27 | 2.81 | 0.82 | 24.2 | 8.6 | 1.32 | .321 | 3.89 | 98 | 3.48 | 90 | 8.59 | 7.4 | ||
| 16 | J. Garcia | 3.92 | 2012 | 20 | 7 | 7 | .500 | 20 | 98 | 0 | 0 | 0 | 121.2 | 136 | 53 | 58 | 7 | 30 | 0 | 0 | 1 | 515 | 12 | 7.25 | 2.22 | 3.27 | 0.52 | 19.0 | 5.8 | 1.36 | .339 | 4.29 | 101 | 2.96 | 77 | 10.06 | 12.2 | ||
| 17 | A. Wainwright | 3.94 | 2012 | 32 | 14 | 13 | .519 | 32 | 184 | 3 | 2 | 0 | 198.2 | 196 | 87 | 96 | 15 | 52 | 6 | 0 | 3 | 831 | 5 | 8.34 | 2.36 | 3.54 | 0.68 | 22.1 | 6.3 | 1.25 | .315 | 4.35 | 102 | 3.09 | 80 | 8.88 | 17.1 | ||
| 18 | J. Westbrook | 3.97 | 2012 | 28 | 13 | 11 | .542 | 28 | 106 | 1 | 0 | 0 | 174.2 | 191 | 77 | 85 | 12 | 52 | 8 | 0 | 0 | 751 | 5 | 5.46 | 2.68 | 2.04 | 0.62 | 14.1 | 6.9 | 1.39 | .312 | 4.38 | 103 | 3.80 | 98 | 9.84 | 1.2 | ||
| 19 | E. Jackson | 4.03 | 2012 | 31 | 10 | 11 | .476 | 31 | 168 | 1 | 0 | 0 | 189.2 | 173 | 85 | 90 | 23 | 58 | 2 | 0 | 5 | 790 | 3 | 7.97 | 2.75 | 2.90 | 1.09 | 21.3 | 7.3 | 1.22 | .278 | 4.27 | 102 | 3.84 | 99 | 8.21 | 0.4 | ||
| 20 | B. Zito | 4.15 | 2012 | 32 | 15 | 8 | .652 | 32 | 114 | 1 | 1 | 0 | 184.1 | 186 | 85 | 91 | 20 | 70 | 5 | 0 | 6 | 799 | 1 | 5.57 | 3.42 | 1.63 | 0.98 | 14.3 | 8.8 | 1.39 | .281 | 4.44 | 113 | 4.48 | 121 | 9.08 | -17.1 | ||
| 21 | M. Leake | 4.58 | 2012 | 30 | 8 | 9 | .471 | 30 | 116 | 2 | 0 | 0 | 179.0 | 201 | 91 | 97 | 26 | 41 | 3 | 0 | 3 | 757 | 3 | 5.83 | 2.06 | 2.83 | 1.31 | 15.3 | 5.4 | 1.35 | .306 | 4.88 | 115 | 4.42 | 110 | 10.11 | -7.5 | ||
| 22 | T. Lincecum | 5.18 | 2012 | 33 | 10 | 15 | .400 | 33 | 190 | 0 | 0 | 0 | 186.0 | 183 | 107 | 111 | 23 | 90 | 4 | 0 | 3 | 825 | 17 | 9.19 | 4.35 | 2.11 | 1.11 | 23.0 | 10.9 | 1.47 | .309 | 5.37 | 141 | 4.17 | 112 | 8.85 | -10.4 |