| SP | Clemens, R.Clemens, Roger >> | 42 | 2004 | R | 95 | 7 | 7 | 1 | 4 | 3.86 | .326 | 1.45 | 6.4 | 6.6 | 8.6 | 42.0 | 30 | 22 | 18 | 2 | 31 | 40 | 0 | 0 | 0 | 0 | 3 | 0 | 2 | 3.93 |
| SP | Arroyo, B.Arroyo, Bronson >> | 27 | 2004 | R | 79 | 7 | 7 | 1 | 3 | 7.29 | .379 | 1.80 | 12.3 | 4.1 | 5.7 | 33.1 | 45 | 28 | 27 | 6 | 15 | 21 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 5.55 |
| SP | Rusch, G.Rusch, Glendon >> | 30 | 2004 | L | 73 | 6 | 6 | 1 | 3 | 5.20 | .259 | 1.05 | 7.3 | 2.3 | 6.3 | 27.2 | 22 | 16 | 16 | 4 | 7 | 19 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 4.30 |
| RP | Donnelly, B.Donnelly, Brendan >> | 33 | 2004 | R | 82 | 18 | 0 | 2 | 0 | 2.84 | .309 | 1.34 | 6.5 | 5.8 | 9.4 | 25.1 | 18 | 9 | 8 | 0 | 16 | 26 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2.84 |
| RP | Rivera, M.Rivera, Mariano >> | 35 | 2004 | R | 79 | 17 | 0 | 1 | 3 | 4.13 | .357 | 1.67 | 9.4 | 5.6 | 3.4 | 24.0 | 25 | 11 | 11 | 3 | 15 | 9 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 5.75 |
| RP | Carrara, G.Carrara, Giovanni >> | 36 | 2004 | R | 58 | 15 | 0 | 0 | 0 | 4.24 | .338 | 1.47 | 7.4 | 5.8 | 6.9 | 17.0 | 14 | 8 | 8 | 2 | 11 | 13 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 5.12 |
| RP | Colome, J.Colome, Jesus >> | 27 | 2004 | R | 85 | 8 | 0 | 1 | 0 | 2.00 | .308 | 1.33 | 9.0 | 3.0 | 10.0 | 9.0 | 9 | 2 | 2 | 0 | 3 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.78 |