| SP | Schilling, C.Schilling, Curt >> | 38 | 2004 | R | 94 | 7 | 7 | 2 | 4 | 4.06 | .341 | 1.55 | 11.1 | 2.8 | 6.2 | 51.0 | 63 | 23 | 23 | 5 | 16 | 35 | 0 | 0 | 0 | 0 | 5 | 0 | 1 | 3.84 |
| SP | Lopez, R.Lopez, Rodrigo >> | 29 | 2004 | R | 65 | 7 | 7 | 4 | 0 | 2.70 | .265 | 1.08 | 7.1 | 2.7 | 6.5 | 33.1 | 26 | 11 | 10 | 2 | 10 | 24 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 3.24 |
| SP | Eaton, A.Eaton, Adam # >> | 27 | 2004 | R | 57 | 6 | 6 | 2 | 3 | 5.45 | .347 | 1.51 | 10.5 | 3.3 | 5.5 | 36.1 | 42 | 22 | 22 | 4 | 13 | 22 | 0 | 0 | 0 | 0 | 3 | 3 | 2 | 4.56 |
| SP | Colon, B.Colon, Bartolo >> | 31 | 2004 | R | 37 | 6 | 6 | 0 | 1 | 5.71 | .366 | 1.70 | 10.6 | 5.0 | 5.8 | 34.2 | 40 | 23 | 22 | 7 | 19 | 22 | 0 | 0 | 0 | 0 | 3 | 1 | 0 | 6.15 |
| SP | Suppan, J.Suppan, Jeff >> | 29 | 2004 | R | 32 | 6 | 6 | 2 | 1 | 4.38 | .347 | 1.59 | 11.4 | 2.9 | 5.1 | 37.0 | 47 | 20 | 18 | 4 | 12 | 21 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 4.24 |
| RP | Rodriguez, F.Rodriguez, Francisco >> | 22 | 2004 | R | 95 | 17 | 0 | 5 | 0 | 1.88 | .314 | 1.38 | 6.8 | 5.6 | 11.6 | 24.0 | 18 | 5 | 5 | 1 | 15 | 31 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 2.83 |
| RP | Urbina, U.Urbina, Ugueth >> | 30 | 2004 | R | 63 | 17 | 0 | 1 | 1 | 5.54 | .304 | 1.31 | 7.6 | 4.2 | 7.3 | 26.0 | 22 | 16 | 16 | 3 | 12 | 21 | 0 | 2 | 1 | 0 | 0 | 0 | 1 | 4.27 |
| RP | Leicester, J.Leicester, Jon >> | 25 | 2004 | R | 27 | 10 | 0 | 0 | 0 | 0.00 | .341 | 1.56 | 7.0 | 7.0 | 8.0 | 9.0 | 7 | 0 | 0 | 0 | 7 | 8 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 3.56 |
| SP | Harang, A.Harang, Aaron >> | 26 | 2004 | R | 13 | 0 | 0 | 0 | 0 | - | .000 | - | - | - | - | 0.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | - |