| SP | Waechter, D.Waechter, Doug >> | 23 | 2003 | R | 95 | 11 | 11 | 2 | 5 | 3.90 | .330 | 1.48 | 9.4 | 3.9 | 4.7 | 67.0 | 70 | 34 | 29 | 5 | 29 | 35 | 0 | 0 | 0 | 0 | 6 | 0 | 0 | 4.22 |
| SP | Gonzalez, G.Gonzalez, Geremi # >> | 29 | 2003 | R | 70 | 11 | 11 | 1 | 3 | 4.37 | .322 | 1.40 | 9.0 | 3.6 | 6.0 | 68.0 | 68 | 36 | 33 | 6 | 27 | 45 | 0 | 0 | 0 | 0 | 6 | 2 | 1 | 4.10 |
| SP | Zambrano, V.Zambrano, Victor >> | 29 | 2003 | R | 61 | 11 | 11 | 4 | 3 | 3.58 | .275 | 1.12 | 7.2 | 3.0 | 5.5 | 70.1 | 56 | 31 | 28 | 9 | 23 | 43 | 0 | 0 | 0 | 0 | 8 | 1 | 3 | 4.47 |
| SP | Kazmir, S.Kazmir, Scott >> | 20 | 2004 | L | 36 | 10 | 10 | 0 | 5 | 5.53 | .349 | 1.56 | 9.9 | 4.3 | 9.2 | 42.1 | 46 | 26 | 26 | 3 | 20 | 43 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 3.45 |
| RP | Harper, T.Harper, Travis # >> | 28 | 2004 | R | 77 | 30 | 0 | 1 | 5 | 5.91 | .338 | 1.49 | 10.0 | 3.6 | 5.4 | 45.2 | 50 | 35 | 30 | 5 | 18 | 27 | 0 | 0 | 2 | 0 | 0 | 2 | 1 | 4.58 |
| RP | Carter, L.Carter, Lance >> | 30 | 2003 | R | 76 | 31 | 0 | 4 | 5 | 4.38 | .343 | 1.44 | 10.4 | 2.5 | 5.1 | 39.0 | 45 | 21 | 19 | 6 | 11 | 22 | 0 | 2 | 2 | 0 | 0 | 5 | 0 | 5.10 |
| RP | Reyes, C.Reyes, Carlos >> | 35 | 2003 | R | 55 | 13 | 0 | 2 | 0 | 3.45 | .390 | 1.79 | 12.6 | 4.2 | 6.0 | 15.2 | 21 | 11 | 6 | 3 | 7 | 10 | 0 | 3 | 2 | 0 | 0 | 2 | 1 | 6.07 |
| RP | Levine, A.Levine, Alan >> | 36 | 2003 | R | 51 | 5 | 0 | 1 | 0 | 1.17 | .258 | 0.91 | 6.4 | 2.6 | 5.1 | 7.2 | 5 | 1 | 1 | 1 | 2 | 4 | 0 | 0 | 1 | 0 | 0 | 1 | 1 | 5.00 |
| SP | Kennedy, J.Kennedy, Joe >> | 25 | 2004 | L | 44 | 6 | 0 | 1 | 0 | 5.06 | .326 | 1.45 | 10.7 | 2.6 | 8.1 | 21.1 | 25 | 12 | 12 | 0 | 6 | 19 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2.05 |
| CL | Colome, J.Colome, Jesus >> | 27 | 2004 | R | 91 | 20 | 0 | 0 | 1 | 2.49 | .301 | 1.29 | 5.6 | 6.4 | 8.1 | 21.2 | 13 | 9 | 6 | 3 | 15 | 19 | 0 | 12 | 3 | 0 | 0 | 0 | 1 | 5.19 |