| SP | Volquez, E.Volquez, Edinson >> | 25 | 2008 | R | 66 | 4 | 4 | 2 | 2 | 2.63 | .273 | 1.13 | 4.9 | 5.3 | 6.4 | 24.0 | 13 | 8 | 7 | 2 | 14 | 17 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 4.42 |
| SP | Burnett, A.Burnett, A.J. >> | 31 | 2008 | R | 49 | 4 | 4 | 1 | 1 | 2.00 | .270 | 1.07 | 5.7 | 4.0 | 6.0 | 27.0 | 17 | 8 | 6 | 3 | 12 | 18 | 0 | 0 | 0 | 0 | 3 | 1 | 0 | 4.56 |
| RP | Devine, J.Devine, Joey >> | 25 | 2008 | R | 100 | 13 | 0 | 2 | 1 | 0.40 | .173 | 0.63 | 3.7 | 2.0 | 9.0 | 22.1 | 9 | 1 | 1 | 0 | 5 | 22 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.68 |
| RP | Howell, J.Howell, J.P. >> | 25 | 2008 | L | 83 | 12 | 0 | 0 | 0 | 3.46 | .350 | 1.54 | 9.0 | 4.8 | 7.6 | 13.0 | 13 | 5 | 5 | 0 | 7 | 11 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 3.15 |
| RP | Gonzalez, M.Gonzalez, Mike >> | 30 | 2008 | L | 67 | 6 | 0 | 0 | 0 | 1.04 | .212 | 0.81 | 3.4 | 4.5 | 10.1 | 8.2 | 3 | 1 | 1 | 1 | 4 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3.88 |
| RP | Ramirez, R.Ramirez, Ramon >> | 27 | 2008 | R | 55 | 6 | 0 | 0 | 2 | 6.75 | .429 | 2.25 | 12.6 | 9.0 | 9.0 | 5.1 | 7 | 4 | 4 | 2 | 5 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 9.20 |
| RP | Valverde, J.Valverde, Jose >> | 29 | 2008 | R | 66 | 9 | 0 | 1 | 1 | 3.38 | .289 | 1.13 | 6.3 | 4.5 | 13.5 | 10.2 | 7 | 4 | 4 | 2 | 5 | 15 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 4.40 |
| SP | Litsch, J.Litsch, Jesse >> | 23 | 2008 | R | 43 | 5 | 0 | 0 | 1 | 6.35 | .414 | 2.12 | 14.4 | 7.2 | 3.6 | 5.2 | 8 | 4 | 4 | 0 | 4 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.60 |