| Name | W | L | SV | ERA | G | GS | IP | HA | R | ER | HR | BB | K | WHIP | OAVG | BABIP | WAR |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Maikel Cleto CL | 5 | 1 | 32 | 1.17 | 51 | 0 | 54.0 | 30 | 9 | 7 | 2 | 11 | 71 | 0.76 | .160 | .243 | 1.3 |
| Dan Otero RP | 2 | 3 | 2 | 1.62 | 55 | 0 | 50.0 | 45 | 9 | 9 | 0 | 6 | 44 | 1.02 | .237 | .308 | 1.3 |
| Matt Harrison RP | 7 | 1 | 0 | 2.55 | 13 | 9 | 74.0 | 53 | 24 | 21 | 4 | 22 | 46 | 1.01 | .199 | .227 | 0.5 |
| Trevor Hillhouse RP | 0 | 0 | 1 | 2.70 | 14 | 0 | 20.0 | 14 | 6 | 6 | 1 | 11 | 19 | 1.25 | .200 | .260 | -0.1 |
| Brett Seeburger RP | 0 | 2 | 0 | 2.73 | 15 | 1 | 33.0 | 29 | 13 | 10 | 0 | 9 | 30 | 1.15 | .240 | .315 | 0.9 |
| John Gant SP | 9 | 5 | 0 | 2.76 | 24 | 24 | 146.2 | 148 | 47 | 45 | 8 | 19 | 129 | 1.14 | .263 | .328 | 3.3 |
| Nick Hill RP | 5 | 2 | 1 | 2.94 | 53 | 0 | 33.2 | 27 | 13 | 11 | 2 | 11 | 41 | 1.13 | .221 | .316 | 0.6 |
| Danny Duffy SP | 7 | 9 | 0 | 3.02 | 23 | 23 | 143.0 | 125 | 60 | 48 | 10 | 27 | 136 | 1.06 | .230 | .289 | 2.6 |
| Edinson Volquez SP | 14 | 7 | 0 | 3.06 | 25 | 25 | 167.2 | 166 | 61 | 57 | 5 | 38 | 152 | 1.22 | .259 | .329 | 4.1 |
| Fernando Rodney RP | 1 | 0 | 1 | 3.08 | 44 | 0 | 38.0 | 38 | 15 | 13 | 2 | 3 | 50 | 1.08 | .253 | .367 | 0.9 |
| Franklin Morales SP | 5 | 4 | 0 | 3.38 | 13 | 13 | 77.1 | 78 | 30 | 29 | 7 | 22 | 46 | 1.29 | .265 | .291 | 0.1 |
| Ariel Pena SP | 9 | 6 | 0 | 3.42 | 25 | 25 | 134.1 | 114 | 60 | 51 | 7 | 39 | 149 | 1.14 | .228 | .307 | 2.9 |
| Ronald Belisario CL | 3 | 5 | 0 | 3.95 | 45 | 0 | 57.0 | 65 | 29 | 25 | 5 | 11 | 41 | 1.33 | .283 | .324 | 0.1 |
| Michel Martinez RP | 2 | 1 | 0 | 4.26 | 17 | 0 | 31.2 | 32 | 15 | 15 | 2 | 13 | 22 | 1.42 | .264 | .306 | -0.2 |
| Kai-Wei Lin RP | 0 | 0 | 0 | 6.89 | 8 | 0 | 15.2 | 27 | 12 | 12 | 1 | 5 | 11 | 2.04 | .386 | .433 | -0.0 |
| Danny Figueroa RP | 2 | 3 | 2 | 7.47 | 19 | 0 | 15.2 | 28 | 15 | 13 | 3 | 6 | 22 | 2.17 | .368 | .490 | -0.0 |
