| SP | Williams, D.Williams, Dave + >> | 25 | 2004 | L | 100 | 58 | 58 | 5 | 15 | 4.59 | .314 | 1.34 | 8.9 | 3.2 | 6.5 | 237.1 | 234 | 123 | 121 | 16 | 85 | 170 | 0 | 0 | 0 | 0 | 3 | 7 | 0 | 3.61 |
| SP | Schilling, C.Schilling, Curt + >> | 38 | 2004 | R | 99 | 58 | 58 | 25 | 22 | 3.88 | .281 | 1.15 | 8.5 | 1.8 | 6.5 | 396.1 | 374 | 175 | 171 | 52 | 81 | 286 | 12 | 0 | 0 | 3 | 32 | 9 | 1 | 3.94 |
| SP | Carpenter, C.Carpenter, Chris + >> | 29 | 2004 | R | 97 | 57 | 57 | 15 | 23 | 3.91 | .305 | 1.30 | 9.0 | 2.7 | 6.1 | 371.0 | 372 | 165 | 161 | 30 | 111 | 252 | 3 | 0 | 0 | 0 | 34 | 5 | 7 | 3.63 |
| SP | Radke, B.Radke, Brad + >> | 32 | 2004 | R | 84 | 55 | 51 | 16 | 12 | 4.95 | .303 | 1.28 | 9.8 | 1.7 | 6.4 | 289.0 | 316 | 163 | 159 | 49 | 53 | 204 | 1 | 0 | 0 | 0 | 22 | 8 | 4 | 4.43 |
| SP | Wells, D.Wells, David + >> | 41 | 2004 | L | 81 | 48 | 30 | 11 | 19 | 4.09 | .293 | 1.22 | 9.4 | 1.5 | 6.0 | 250.2 | 262 | 114 | 114 | 30 | 43 | 168 | 0 | 2 | 0 | 0 | 15 | 6 | 3 | 3.80 |
| RP | Hoffman, T.Hoffman, Trevor + >> | 37 | 2004 | R | 100 | 124 | 0 | 7 | 10 | 3.44 | .272 | 1.11 | 8.1 | 1.9 | 6.8 | 144.0 | 129 | 56 | 55 | 16 | 31 | 109 | 0 | 29 | 12 | 0 | 0 | 1 | 1 | 3.60 |
| RP | Linebrink, S.Linebrink, Scott + >> | 28 | 2004 | R | 100 | 146 | 0 | 12 | 7 | 3.84 | .290 | 1.19 | 7.8 | 3.0 | 6.5 | 173.1 | 150 | 78 | 74 | 17 | 57 | 124 | 0 | 8 | 6 | 0 | 0 | 5 | 2 | 3.92 |
| RP | Benitez, A.Benitez, Armando + >> | 32 | 2004 | R | 100 | 133 | 0 | 7 | 9 | 4.56 | .315 | 1.37 | 8.8 | 3.6 | 7.4 | 144.0 | 140 | 73 | 73 | 14 | 57 | 119 | 0 | 28 | 8 | 0 | 0 | 2 | 0 | 3.84 |
| RP | Foulke, K.Foulke, Keith + >> | 32 | 2004 | R | 99 | 106 | 0 | 8 | 7 | 3.94 | .301 | 1.26 | 8.7 | 2.6 | 6.8 | 128.0 | 124 | 62 | 56 | 14 | 37 | 97 | 0 | 4 | 10 | 0 | 0 | 4 | 2 | 3.87 |
| RP | Takatsu, S.Takatsu, Shingo + >> | 36 | 2004 | R | 98 | 95 | 0 | 11 | 6 | 4.39 | .318 | 1.38 | 8.9 | 3.6 | 6.0 | 108.2 | 107 | 58 | 53 | 20 | 43 | 72 | 0 | 4 | 3 | 0 | 0 | 2 | 3 | 5.32 |
| RP | Ramirez, E.Ramirez, Erasmo >> | 28 | 2004 | L | 83 | 131 | 0 | 3 | 5 | 4.06 | .290 | 1.19 | 8.0 | 2.7 | 6.3 | 93.0 | 83 | 43 | 42 | 9 | 28 | 65 | 0 | 11 | 3 | 0 | 0 | 3 | 2 | 3.86 |