| SP | Schmidt, J.Schmidt, Jason † >> | 31 | 2004 | R | 98 | 19 | 19 | 12 | 3 | 2.96 | .281 | 1.17 | 7.2 | 3.5 | 9.5 | 133.2 | 106 | 45 | 44 | 18 | 51 | 141 | 1 | 0 | 0 | 1 | 16 | 0 | 3 | 3.79 |
| SP | Thomson, J.Thomson, John >> | 31 | 2004 | R | 41 | 18 | 18 | 2 | 11 | 5.32 | .337 | 1.42 | 9.3 | 3.6 | 6.6 | 108.1 | 111 | 69 | 64 | 13 | 43 | 79 | 1 | 0 | 0 | 1 | 7 | 11 | 2 | 4.60 |
| SP | Halladay, R.Halladay, Roy >> | 27 | 2004 | R | 36 | 18 | 18 | 8 | 6 | 6.40 | .346 | 1.56 | 10.5 | 3.6 | 6.3 | 95.2 | 111 | 68 | 68 | 12 | 38 | 67 | 0 | 0 | 0 | 0 | 7 | 3 | 1 | 4.53 |
| RP | Embree, A.Embree, Alan >> | 34 | 2004 | L | 60 | 55 | 0 | 5 | 4 | 3.72 | .290 | 1.22 | 8.9 | 2.2 | 6.0 | 65.1 | 64 | 27 | 27 | 10 | 16 | 43 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 4.42 |
| RP | Cordero, F.Cordero, Francisco >> | 29 | 2004 | R | 56 | 47 | 0 | 2 | 2 | 2.53 | .292 | 1.22 | 6.2 | 4.8 | 8.6 | 64.0 | 44 | 19 | 18 | 2 | 34 | 61 | 0 | 2 | 2 | 0 | 0 | 1 | 3 | 3.14 |
| RP | Speier, J.Speier, Justin >> | 31 | 2004 | R | 53 | 53 | 0 | 3 | 2 | 6.83 | .357 | 1.66 | 9.8 | 5.2 | 5.7 | 55.1 | 60 | 44 | 42 | 17 | 32 | 35 | 0 | 1 | 3 | 0 | 0 | 0 | 4 | 7.49 |
| SP | Padilla, V.Padilla, Vicente >> | 27 | 2004 | R | 39 | 3 | 0 | 1 | 1 | 9.00 | .357 | 1.50 | 12.0 | 1.5 | 3.0 | 6.0 | 8 | 6 | 6 | 1 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 5.50 |
| SP | Perez, O.Perez, Odalis >> | 27 | 2004 | L | 86 | 18 | 0 | 1 | 4 | 3.31 | .263 | 1.07 | 7.3 | 2.5 | 5.3 | 32.2 | 26 | 12 | 12 | 6 | 9 | 19 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 5.09 |