| Name | W | L | SV | ERA | G | GS | IP | HA | R | ER | HR | BB | K | WHIP | OAVG | BABIP | WAR |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jon Lorenzo RP | 4 | 1 | 5 | 1.46 | 35 | 0 | 68.0 | 38 | 15 | 11 | 5 | 15 | 88 | 0.78 | .161 | .229 | 1.2 |
| Robbie Ross Jr. SP | 15 | 4 | 0 | 1.88 | 25 | 25 | 153.0 | 113 | 36 | 32 | 2 | 28 | 135 | 0.92 | .201 | .261 | 4.3 |
| Edgar A. Martinez RP | 1 | 0 | 0 | 2.02 | 7 | 0 | 13.1 | 14 | 3 | 3 | 1 | 4 | 8 | 1.35 | .269 | .302 | -0.1 |
| Fernando Salas CL | 2 | 1 | 2 | 2.17 | 45 | 0 | 54.0 | 35 | 13 | 13 | 7 | 8 | 67 | 0.80 | .184 | .241 | 0.4 |
| Aaron Loup CL | 3 | 2 | 16 | 2.49 | 46 | 0 | 47.0 | 36 | 13 | 13 | 2 | 13 | 54 | 1.04 | .217 | .301 | 0.8 |
| Ryan Webb CL | 1 | 1 | 11 | 2.50 | 18 | 0 | 18.0 | 14 | 5 | 5 | 0 | 2 | 17 | 0.89 | .212 | .286 | 0.5 |
| Pat Urckfitz RP | 6 | 2 | 4 | 2.55 | 41 | 0 | 53.0 | 48 | 17 | 15 | 2 | 15 | 43 | 1.19 | .246 | .307 | 0.4 |
| Kenny Roberts RP | 1 | 6 | 1 | 3.05 | 45 | 0 | 38.1 | 42 | 14 | 13 | 1 | 12 | 45 | 1.41 | .288 | .406 | 0.7 |
| Marco Estrada SP | 10 | 7 | 0 | 3.12 | 25 | 25 | 170.1 | 157 | 65 | 59 | 14 | 25 | 143 | 1.07 | .245 | .292 | 2.8 |
| Frank Tucker SP | 7 | 8 | 0 | 3.55 | 23 | 23 | 142.0 | 136 | 61 | 56 | 8 | 37 | 118 | 1.22 | .248 | .300 | 2.1 |
| Brandon E. Thomas CL | 1 | 1 | 0 | 4.26 | 14 | 0 | 25.1 | 26 | 13 | 12 | 1 | 10 | 22 | 1.42 | .257 | .321 | 0.1 |
| Tyler Chatwood SP | 6 | 9 | 0 | 5.25 | 24 | 24 | 132.0 | 149 | 79 | 77 | 11 | 43 | 102 | 1.45 | .290 | .340 | 0.9 |
| Michael Mariot RP | 0 | 2 | 0 | 5.40 | 14 | 0 | 21.2 | 31 | 15 | 13 | 2 | 8 | 22 | 1.80 | .344 | .439 | -0.1 |
| David Phelps SP | 5 | 12 | 0 | 5.75 | 23 | 23 | 119.0 | 137 | 77 | 76 | 11 | 59 | 80 | 1.65 | .287 | .323 | -0.9 |
| Logan Kensing RP | 1 | 1 | 0 | 6.91 | 21 | 0 | 27.1 | 32 | 21 | 21 | 3 | 16 | 15 | 1.76 | .314 | .345 | -0.8 |
