| SP | Johnson, W.Johnson, Walter # >> | 26 | 1913 | R | 95 | 33 | 33 | 12 | 15 | 3.85 | .289 | 1.20 | 8.1 | 2.6 | 6.4 | 231.2 | 209 | 114 | 99 | 27 | 68 | 163 | 9 | 0 | 0 | 3 | 20 | 6 | 4 | 4.07 |
| SP | Carpenter, C.Carpenter, Chris >> | 29 | 2004 | R | 87 | 33 | 33 | 13 | 8 | 3.04 | .271 | 1.10 | 7.6 | 2.3 | 6.9 | 242.2 | 205 | 91 | 82 | 20 | 61 | 186 | 5 | 0 | 0 | 1 | 25 | 4 | 5 | 3.34 |
| SP | Greinke, Z.Greinke, Zack >> | 21 | 2004 | R | 75 | 32 | 32 | 9 | 15 | 5.24 | .323 | 1.39 | 9.8 | 2.8 | 6.0 | 192.1 | 208 | 119 | 112 | 32 | 59 | 129 | 1 | 0 | 0 | 0 | 15 | 8 | 7 | 4.87 |
| SP | Wright, J.Wright, Jaret >> | 29 | 2004 | R | 70 | 32 | 32 | 14 | 10 | 4.20 | .304 | 1.29 | 8.1 | 3.5 | 6.4 | 199.1 | 180 | 95 | 93 | 28 | 78 | 141 | 0 | 0 | 0 | 0 | 17 | 3 | 0 | 4.63 |
| SP | Westbrook, J.Westbrook, Jake # >> | 27 | 2004 | R | 58 | 32 | 32 | 9 | 14 | 4.68 | .342 | 1.52 | 10.1 | 3.6 | 5.9 | 188.1 | 211 | 115 | 98 | 28 | 76 | 124 | 1 | 0 | 0 | 1 | 18 | 7 | 8 | 4.94 |
| RP | Isringhausen, J.Isringhausen, Jason >> | 32 | 2004 | R | 81 | 87 | 0 | 6 | 10 | 5.85 | .360 | 1.64 | 10.7 | 4.1 | 5.8 | 92.1 | 109 | 65 | 60 | 14 | 42 | 59 | 0 | 7 | 7 | 0 | 0 | 5 | 0 | 5.23 |
| RP | Hawkins, L.Hawkins, LaTroy >> | 32 | 2004 | R | 74 | 65 | 0 | 4 | 5 | 4.14 | .301 | 1.28 | 9.2 | 2.3 | 6.9 | 76.0 | 78 | 39 | 35 | 13 | 19 | 58 | 0 | 9 | 4 | 0 | 0 | 1 | 0 | 4.49 |