| SP | Beckett, J.Beckett, Josh # >> | 24 | 2004 | R | 87 | 33 | 33 | 10 | 13 | 3.66 | .295 | 1.22 | 8.3 | 2.8 | 8.3 | 216.1 | 198 | 89 | 88 | 21 | 67 | 199 | 1 | 0 | 0 | 1 | 22 | 7 | 6 | 3.45 |
| SP | Rusch, G.Rusch, Glendon >> | 30 | 2004 | L | 73 | 32 | 32 | 1 | 12 | 3.95 | .323 | 1.37 | 9.5 | 2.9 | 6.2 | 134.1 | 141 | 64 | 59 | 13 | 43 | 93 | 0 | 0 | 0 | 0 | 0 | 8 | 1 | 4.01 |
| SP | Brown, K.Brown, Kevin # >> | 39 | 2004 | R | 61 | 32 | 32 | 10 | 15 | 4.77 | .319 | 1.38 | 9.6 | 2.9 | 6.2 | 188.2 | 200 | 101 | 100 | 22 | 60 | 130 | 1 | 0 | 0 | 0 | 14 | 5 | 6 | 4.18 |
| SP | Milton, E.Milton, Eric >> | 29 | 2004 | L | 46 | 31 | 31 | 7 | 16 | 4.68 | .326 | 1.42 | 9.4 | 3.4 | 5.7 | 178.2 | 186 | 100 | 93 | 22 | 67 | 113 | 0 | 0 | 0 | 0 | 15 | 6 | 4 | 4.57 |
| RP | Takatsu, S.Takatsu, Shingo >> | 36 | 2004 | R | 90 | 96 | 0 | 3 | 3 | 3.49 | .292 | 1.17 | 6.5 | 4.1 | 6.8 | 113.1 | 81 | 46 | 44 | 10 | 52 | 86 | 0 | 3 | 4 | 0 | 0 | 7 | 1 | 4.19 |
| RP | Speier, J.Speier, Justin >> | 31 | 2004 | R | 53 | 96 | 0 | 9 | 3 | 3.26 | .289 | 1.16 | 7.2 | 3.3 | 6.1 | 113.1 | 90 | 41 | 41 | 11 | 42 | 77 | 0 | 8 | 4 | 0 | 0 | 6 | 9 | 4.18 |
| SP | Suppan, J.Suppan, Jeff >> | 29 | 2004 | R | 32 | 0 | 0 | 0 | 0 | - | .000 | - | - | - | - | 0.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | - |
| SP | Padilla, V.Padilla, Vicente >> | 27 | 2004 | R | 39 | 6 | 0 | 0 | 1 | 14.63 | .478 | 2.63 | 19.1 | 4.5 | 5.6 | 8.0 | 17 | 13 | 13 | 1 | 4 | 5 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 5.25 |
| SP | Trachsel, S.Trachsel, Steve >> | 34 | 2004 | R | 26 | 60 | 0 | 7 | 8 | 7.85 | .395 | 1.91 | 13.7 | 3.6 | 6.7 | 96.1 | 146 | 84 | 84 | 17 | 38 | 71 | 0 | 6 | 3 | 0 | 0 | 5 | 6 | 5.17 |