| SP | Greinke, Z.Greinke, Zack >> | 21 | 2004 | R | 77 | 11 | 11 | 2 | 4 | 4.48 | .299 | 1.26 | 9.6 | 1.8 | 7.4 | 74.1 | 79 | 37 | 37 | 9 | 15 | 61 | 1 | 0 | 0 | 0 | 6 | 1 | 1 | 3.58 |
| SP | Wright, J.Wright, Jamey >> | 30 | 2003 | R | 72 | 11 | 11 | 4 | 4 | 5.01 | .355 | 1.59 | 9.7 | 4.8 | 7.0 | 64.2 | 69 | 36 | 36 | 10 | 34 | 50 | 0 | 0 | 0 | 0 | 6 | 4 | 0 | 5.25 |
| SP | Hernandez, R.Hernandez, Runelvys >> | 26 | 2003 | R | 59 | 11 | 11 | 9 | 1 | 3.34 | .304 | 1.28 | 9.0 | 2.6 | 6.4 | 72.2 | 72 | 27 | 27 | 9 | 21 | 51 | 1 | 0 | 0 | 0 | 7 | 2 | 0 | 4.17 |
| SP | Affeldt, J.Affeldt, Jeremy >> | 25 | 2003 | L | 53 | 10 | 10 | 0 | 4 | 5.24 | .348 | 1.54 | 11.6 | 2.4 | 6.4 | 34.1 | 44 | 25 | 20 | 5 | 9 | 24 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 4.47 |
| SP | Gobble, J.Gobble, Jimmy >> | 23 | 2003 | L | 50 | 3 | 0 | 0 | 0 | 0.00 | .308 | 1.33 | 10.5 | 1.5 | 9.0 | 6.0 | 7 | 0 | 0 | 0 | 1 | 6 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1.50 |
| RP | MacDougal, M.MacDougal, Mike >> | 27 | 2003 | R | 58 | 17 | 0 | 1 | 0 | 3.00 | .308 | 1.33 | 8.6 | 3.4 | 5.6 | 24.0 | 23 | 8 | 8 | 1 | 9 | 15 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 3.42 |
| RP | Carrasco, D.Carrasco, D.J. >> | 27 | 2003 | R | 46 | 19 | 0 | 1 | 4 | 8.58 | .380 | 1.80 | 10.9 | 5.5 | 6.1 | 28.1 | 34 | 27 | 27 | 7 | 17 | 19 | 0 | 3 | 1 | 0 | 0 | 1 | 1 | 6.82 |
| RP | Leskanic, C.Leskanic, Curt >> | 36 | 2003 | R | 69 | 18 | 0 | 3 | 1 | 4.87 | .322 | 1.33 | 7.2 | 5.0 | 8.6 | 20.1 | 16 | 11 | 11 | 5 | 11 | 19 | 0 | 2 | 1 | 0 | 0 | 2 | 0 | 6.30 |