| SP | Garcia, F.Garcia, Freddy >> | 29 | 2004 | R | 85 | 12 | 12 | 5 | 4 | 4.34 | .293 | 1.23 | 8.3 | 2.7 | 7.2 | 83.0 | 77 | 41 | 40 | 12 | 25 | 66 | 2 | 0 | 0 | 0 | 5 | 1 | 2 | 4.23 |
| SP | Harden, R.Harden, Rich # >> | 23 | 2004 | R | 63 | 12 | 12 | 5 | 6 | 5.05 | .333 | 1.49 | 9.0 | 4.5 | 5.0 | 76.2 | 76 | 45 | 43 | 7 | 38 | 42 | 1 | 0 | 0 | 1 | 4 | 1 | 1 | 4.63 |
| SP | Kennedy, J.Kennedy, Joe >> | 25 | 2004 | L | 29 | 11 | 11 | 3 | 1 | 4.74 | .336 | 1.48 | 9.3 | 4.2 | 7.0 | 62.2 | 64 | 36 | 33 | 6 | 29 | 48 | 0 | 0 | 0 | 0 | 6 | 2 | 1 | 4.21 |
| CL | Wagner, B.Wagner, Billy >> | 33 | 2004 | L | 100 | 24 | 0 | 1 | 2 | 1.38 | .188 | 0.69 | 4.2 | 2.1 | 11.1 | 26.0 | 12 | 4 | 4 | 1 | 6 | 32 | 0 | 18 | 0 | 0 | 0 | 0 | 1 | 1.73 |
| RP | Rivera, M.Rivera, Mariano >> | 35 | 2004 | R | 79 | 28 | 0 | 2 | 0 | 1.39 | .271 | 0.99 | 4.5 | 4.5 | 7.0 | 32.1 | 16 | 5 | 5 | 0 | 16 | 25 | 0 | 2 | 2 | 0 | 0 | 4 | 0 | 3.31 |
| RP | Miller, T.Miller, Trever >> | 31 | 2004 | L | 35 | 23 | 0 | 2 | 1 | 0.63 | .306 | 1.33 | 10.3 | 1.9 | 5.8 | 14.1 | 16 | 1 | 1 | 0 | 3 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2.36 |
| RP | Cordero, F.Cordero, Francisco >> | 29 | 2004 | R | 56 | 19 | 0 | 2 | 0 | 1.42 | .313 | 1.37 | 8.1 | 4.3 | 9.5 | 19.0 | 17 | 3 | 3 | 1 | 9 | 20 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 3.00 |
| RP | Mercker, K.Mercker, Kent >> | 36 | 2004 | L | 69 | 26 | 0 | 1 | 0 | 2.30 | .277 | 1.15 | 5.4 | 5.4 | 8.4 | 15.2 | 9 | 4 | 4 | 0 | 9 | 14 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2.93 |
| RP | Donnelly, B.Donnelly, Brendan >> | 33 | 2004 | R | 82 | 12 | 0 | 0 | 1 | 4.35 | .340 | 1.45 | 9.0 | 4.5 | 12.6 | 10.1 | 10 | 5 | 5 | 2 | 5 | 14 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 4.60 |
| RP | Tavarez, J.Tavarez, Julian >> | 31 | 2004 | R | 59 | 11 | 0 | 2 | 0 | 3.72 | .216 | 0.83 | 7.0 | 1.0 | 8.0 | 9.2 | 7 | 4 | 4 | 1 | 1 | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3.00 |