| SP | Schmidt, J.Schmidt, Jason † >> | 31 | 2004 | R | 98 | 36 | 36 | 22 | 10 | 2.70 | .265 | 1.06 | 6.3 | 3.2 | 8.9 | 280.1 | 197 | 88 | 84 | 28 | 99 | 278 | 11 | 0 | 0 | 2 | 28 | 7 | 5 | 3.45 |
| SP | Zambrano, C.Zambrano, Carlos >> | 23 | 2004 | R | 85 | 36 | 36 | 15 | 10 | 3.03 | .286 | 1.18 | 7.5 | 3.1 | 6.6 | 270.0 | 226 | 93 | 91 | 25 | 92 | 199 | 6 | 0 | 0 | 2 | 25 | 6 | 4 | 3.82 |
| SP | Garcia, F.Garcia, Freddy # >> | 28 | 2004 | R | 81 | 34 | 34 | 13 | 15 | 4.39 | .298 | 1.22 | 8.7 | 2.3 | 5.9 | 240.0 | 231 | 121 | 117 | 32 | 62 | 157 | 9 | 0 | 0 | 4 | 18 | 12 | 6 | 4.35 |
| SP | Bonderman, J.Bonderman, Jeremy # >> | 22 | 2004 | R | 60 | 34 | 33 | 8 | 11 | 5.24 | .337 | 1.50 | 10.2 | 3.3 | 6.3 | 159.2 | 181 | 99 | 93 | 25 | 58 | 112 | 0 | 0 | 0 | 0 | 5 | 5 | 2 | 4.82 |
| RP | Uehara, K.Uehara, Koji † >> | 38 | 2013 | R | 100 | 100 | 0 | 9 | 4 | 3.45 | .269 | 1.07 | 6.8 | 2.8 | 9.5 | 141.0 | 107 | 57 | 54 | 16 | 44 | 149 | 0 | 12 | 4 | 0 | 0 | 5 | 3 | 3.40 |
| RP | Rincon, J.Rincon, Juan >> | 25 | 2004 | R | 91 | 94 | 0 | 9 | 8 | 4.17 | .305 | 1.30 | 8.3 | 3.4 | 10.0 | 110.0 | 102 | 60 | 51 | 20 | 41 | 122 | 0 | 8 | 3 | 0 | 0 | 2 | 2 | 4.32 |
| RP | Francisco, F.Francisco, Frank >> | 25 | 2004 | R | 66 | 78 | 0 | 6 | 2 | 4.78 | .342 | 1.54 | 7.9 | 6.0 | 10.0 | 84.2 | 74 | 45 | 45 | 10 | 56 | 93 | 0 | 11 | 1 | 0 | 0 | 2 | 6 | 4.40 |
| RP | Urbina, U.Urbina, Ugueth # >> | 30 | 2004 | R | 60 | 61 | 0 | 2 | 5 | 5.05 | .331 | 1.46 | 7.6 | 5.6 | 8.6 | 71.1 | 60 | 40 | 40 | 8 | 44 | 68 | 0 | 3 | 4 | 0 | 0 | 2 | 2 | 4.49 |