| SP | Perez, O.Perez, Oliver >> | 23 | 2004 | L | 96 | 33 | 33 | 11 | 12 | 3.51 | .315 | 1.35 | 8.1 | 4.1 | 8.9 | 202.1 | 181 | 80 | 79 | 21 | 92 | 199 | 1 | 0 | 0 | 0 | 21 | 6 | 2 | 3.84 |
| SP | Wright, J.Wright, Jaret >> | 29 | 2004 | R | 80 | 33 | 33 | 11 | 6 | 4.83 | .338 | 1.49 | 10.0 | 3.5 | 6.0 | 160.1 | 177 | 92 | 86 | 16 | 62 | 107 | 0 | 0 | 0 | 0 | 7 | 7 | 2 | 4.26 |
| SP | Escobar, K.Escobar, Kelvim >> | 28 | 2004 | R | 74 | 33 | 32 | 12 | 15 | 5.20 | .337 | 1.50 | 10.5 | 3.0 | 6.8 | 193.2 | 226 | 120 | 112 | 24 | 64 | 145 | 2 | 1 | 0 | 0 | 10 | 5 | 9 | 4.19 |
| SP | Harden, R.Harden, Rich >> | 23 | 2004 | R | 63 | 33 | 32 | 13 | 11 | 4.15 | .326 | 1.43 | 8.4 | 4.5 | 6.6 | 195.1 | 181 | 91 | 90 | 23 | 98 | 144 | 0 | 0 | 0 | 0 | 18 | 4 | 4 | 4.63 |
| RP | Benitez, A.Benitez, Armando † >> | 32 | 2004 | R | 96 | 97 | 0 | 7 | 4 | 2.90 | .270 | 1.09 | 6.1 | 3.8 | 7.1 | 142.2 | 96 | 51 | 46 | 17 | 60 | 112 | 0 | 5 | 4 | 0 | 0 | 2 | 0 | 4.29 |
| RP | Dotel, O.Dotel, Octavio >> | 31 | 2004 | R | 76 | 82 | 0 | 5 | 5 | 3.82 | .289 | 1.18 | 6.8 | 3.8 | 10.0 | 99.0 | 75 | 42 | 42 | 15 | 42 | 110 | 0 | 13 | 1 | 0 | 0 | 4 | 4 | 4.14 |
| RP | Cormier, R.Cormier, Rheal >> | 37 | 2004 | L | 61 | 64 | 0 | 6 | 3 | 3.46 | .280 | 1.12 | 7.3 | 2.8 | 5.9 | 78.0 | 63 | 32 | 30 | 6 | 24 | 51 | 0 | 4 | 2 | 0 | 0 | 4 | 4 | 3.77 |
| RP | Cordero, F.Cordero, Francisco >> | 29 | 2004 | R | 56 | 54 | 0 | 2 | 5 | 4.66 | .338 | 1.52 | 9.5 | 4.2 | 7.3 | 58.0 | 61 | 34 | 30 | 9 | 27 | 47 | 0 | 7 | 1 | 0 | 0 | 1 | 2 | 4.84 |