| SP | Schmidt, J.Schmidt, Jason >> | 31 | 2004 | R | 98 | 27 | 27 | 11 | 11 | 4.38 | .303 | 1.28 | 7.8 | 3.7 | 9.1 | 193.0 | 168 | 98 | 94 | 21 | 80 | 196 | 1 | 0 | 0 | 0 | 12 | 4 | 7 | 3.69 |
| SP | Wells, D.Wells, David # >> | 41 | 2004 | L | 68 | 25 | 25 | 14 | 7 | 3.74 | .279 | 1.14 | 8.7 | 1.6 | 5.6 | 173.1 | 167 | 75 | 72 | 23 | 31 | 108 | 1 | 0 | 0 | 0 | 16 | 3 | 2 | 4.07 |
| SP | Thomson, J.Thomson, John # >> | 31 | 2004 | R | 41 | 26 | 26 | 7 | 11 | 6.61 | .336 | 1.47 | 10.8 | 2.4 | 7.3 | 147.0 | 177 | 110 | 108 | 28 | 39 | 120 | 0 | 0 | 0 | 0 | 10 | 7 | 2 | 4.78 |
| RP | Lidge, B.Lidge, Brad † >> | 28 | 2004 | R | 99 | 70 | 0 | 7 | 1 | 2.69 | .304 | 1.28 | 7.2 | 4.5 | 12.2 | 93.2 | 74 | 28 | 28 | 5 | 46 | 126 | 0 | 6 | 4 | 0 | 0 | 3 | 3 | 2.57 |
| RP | Madson, R.Madson, Ryan >> | 24 | 2004 | R | 70 | 69 | 0 | 6 | 7 | 4.35 | .297 | 1.26 | 8.0 | 3.3 | 6.5 | 93.0 | 83 | 48 | 45 | 17 | 34 | 67 | 0 | 8 | 6 | 0 | 0 | 1 | 5 | 5.06 |
| RP | Romero, J.Romero, J.C. >> | 28 | 2004 | L | 50 | 53 | 0 | 3 | 0 | 3.06 | .315 | 1.36 | 7.0 | 5.3 | 5.6 | 53.0 | 41 | 22 | 18 | 9 | 31 | 33 | 0 | 7 | 1 | 0 | 0 | 1 | 3 | 5.77 |
| SP | Washburn, J.Washburn, Jarrod >> | 30 | 2004 | L | 30 | 3 | 2 | 0 | 2 | 2.87 | .254 | 1.02 | 7.8 | 1.8 | 7.8 | 15.2 | 13 | 5 | 5 | 3 | 3 | 13 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 4.47 |
| SP | Kennedy, J.Kennedy, Joe >> | 25 | 2004 | L | 29 | 14 | 0 | 2 | 1 | 4.98 | .381 | 1.80 | 11.6 | 5.1 | 6.4 | 21.2 | 27 | 12 | 12 | 1 | 12 | 15 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 4.05 |