| SP | Schilling, C.Schilling, Curt >> | 38 | 2004 | R | 94 | 12 | 12 | 6 | 2 | 3.77 | .269 | 1.05 | 8.0 | 1.5 | 6.8 | 98.0 | 87 | 42 | 41 | 11 | 16 | 74 | 3 | 0 | 0 | 0 | 6 | 5 | 0 | 3.59 |
| SP | Thomson, J.Thomson, John >> | 31 | 2004 | R | 41 | 12 | 12 | 6 | 4 | 4.58 | .327 | 1.42 | 8.9 | 4.0 | 7.1 | 70.2 | 69 | 38 | 36 | 8 | 31 | 55 | 0 | 0 | 0 | 0 | 7 | 3 | 0 | 4.37 |
| SP | Halladay, R.Halladay, Roy # >> | 27 | 2004 | R | 36 | 11 | 11 | 3 | 4 | 5.01 | .362 | 1.61 | 12.6 | 1.9 | 6.2 | 70.0 | 98 | 39 | 39 | 2 | 15 | 48 | 0 | 0 | 0 | 0 | 3 | 6 | 0 | 2.90 |
| RP | Embree, A.Embree, Alan >> | 34 | 2004 | L | 60 | 35 | 0 | 1 | 1 | 3.33 | .281 | 1.13 | 7.3 | 3.0 | 6.0 | 48.2 | 39 | 18 | 18 | 2 | 16 | 32 | 0 | 7 | 3 | 0 | 0 | 2 | 0 | 3.33 |
| RP | Leicester, J.Leicester, Jon >> | 25 | 2004 | R | 27 | 9 | 0 | 2 | 0 | 2.08 | .250 | 1.00 | 5.5 | 3.5 | 6.9 | 13.0 | 8 | 3 | 3 | 1 | 5 | 10 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 3.62 |
| SP | Washburn, J.Washburn, Jarrod >> | 30 | 2004 | L | 30 | 0 | 0 | 0 | 0 | - | .000 | - | - | - | - | 0.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | - |
| SP | Trachsel, S.Trachsel, Steve >> | 34 | 2004 | R | 26 | 1 | 0 | 0 | 0 | 0.00 | .000 | 0.00 | - | - | - | 0.2 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | - |