| SP | Zambrano, C.Zambrano, Carlos >> | 24 | 2004 | R | 72 | 34 | 34 | 7 | 18 | 4.14 | .303 | 1.28 | 8.5 | 3.1 | 6.8 | 206.2 | 195 | 101 | 95 | 21 | 70 | 155 | 0 | 0 | 0 | 0 | 18 | 4 | 0 | 3.90 |
| SP | Clement, M.Clement, Matt >> | 31 | 2004 | R | 50 | 34 | 34 | 8 | 9 | 5.02 | .330 | 1.46 | 8.8 | 4.3 | 9.5 | 165.0 | 162 | 92 | 92 | 29 | 79 | 175 | 0 | 0 | 0 | 0 | 3 | 3 | 8 | 4.65 |
| SP | Maddux, G.Maddux, Greg >> | 39 | 2004 | R | 33 | 33 | 32 | 6 | 17 | 7.08 | .358 | 1.64 | 12.1 | 2.7 | 6.4 | 161.1 | 216 | 135 | 127 | 49 | 49 | 115 | 0 | 0 | 0 | 0 | 6 | 5 | 3 | 6.53 |
| RP | Mercker, K.Mercker, Kent >> | 37 | 2004 | L | 49 | 108 | 0 | 5 | 4 | 3.66 | .277 | 1.13 | 5.9 | 4.3 | 6.9 | 113.0 | 74 | 49 | 46 | 13 | 54 | 87 | 0 | 0 | 1 | 0 | 0 | 2 | 6 | 4.44 |
| RP | Beltran, F.Beltran, Francis >> | 26 | 2004 | R | 51 | 110 | 0 | 0 | 4 | 4.43 | .313 | 1.35 | 7.6 | 4.6 | 8.6 | 107.2 | 90 | 53 | 53 | 9 | 55 | 102 | 0 | 3 | 2 | 0 | 0 | 2 | 2 | 3.79 |
| RP | Leicester, J.Leicester, Jon >> | 26 | 2004 | R | 61 | 91 | 0 | 2 | 3 | 4.13 | .308 | 1.31 | 8.9 | 2.9 | 5.8 | 113.1 | 112 | 55 | 52 | 16 | 36 | 73 | 0 | 4 | 0 | 0 | 0 | 3 | 0 | 4.58 |
| RP | Remlinger, M.Remlinger, Mike >> | 39 | 2004 | L | 19 | 109 | 0 | 6 | 4 | 3.88 | .352 | 1.58 | 9.4 | 4.8 | 6.2 | 95.0 | 99 | 44 | 41 | 12 | 51 | 65 | 0 | 3 | 3 | 0 | 0 | 5 | 1 | 5.04 |
| SP | Mitre, S.Mitre, Sergio >> | 24 | 2004 | R | 7 | 26 | 0 | 3 | 4 | 7.63 | .370 | 1.72 | 11.7 | 4.0 | 5.9 | 43.2 | 56 | 37 | 37 | 11 | 19 | 28 | 0 | 1 | 2 | 0 | 0 | 2 | 2 | 6.49 |
| SU | Farnsworth, K.Farnsworth, Kyle >> | 29 | 2004 | R | 26 | 81 | 0 | 0 | 7 | 6.37 | .376 | 1.74 | 10.5 | 5.2 | 9.5 | 76.1 | 89 | 62 | 54 | 14 | 44 | 80 | 0 | 6 | 8 | 0 | 0 | 5 | 1 | 5.22 |
| CL | Hawkins, L.Hawkins, LaTroy >> | 33 | 2004 | R | 59 | 66 | 0 | 2 | 12 | 5.45 | .361 | 1.64 | 11.7 | 3.1 | 7.0 | 76.0 | 99 | 52 | 46 | 14 | 26 | 59 | 0 | 5 | 6 | 0 | 0 | 4 | 1 | 5.03 |