| SP | Burnett, A.Burnett, A.J. >> | 27 | 2004 | R | 93 | 19 | 19 | 7 | 7 | 3.90 | .300 | 1.27 | 7.9 | 3.6 | 7.3 | 124.2 | 109 | 54 | 54 | 12 | 49 | 101 | 1 | 0 | 0 | 0 | 9 | 2 | 1 | 3.86 |
| SP | Arroyo, B.Arroyo, Bronson >> | 27 | 2004 | R | 79 | 18 | 18 | 4 | 9 | 5.98 | .347 | 1.56 | 10.5 | 3.6 | 6.1 | 90.1 | 105 | 60 | 60 | 13 | 36 | 61 | 0 | 0 | 0 | 0 | 4 | 3 | 2 | 4.82 |
| SP | Lilly, T.Lilly, Ted † # >> | 28 | 2004 | L | 72 | 18 | 18 | 13 | 2 | 3.69 | .272 | 1.11 | 6.8 | 3.3 | 7.6 | 119.2 | 90 | 49 | 49 | 23 | 43 | 100 | 0 | 0 | 0 | 0 | 12 | 1 | 1 | 4.94 |
| SP | Glavine, T.Glavine, Tom >> | 38 | 2004 | L | 54 | 18 | 18 | 9 | 6 | 4.00 | .305 | 1.29 | 8.1 | 3.6 | 6.3 | 105.2 | 94 | 53 | 47 | 15 | 42 | 74 | 2 | 0 | 0 | 2 | 10 | 3 | 0 | 4.73 |
| RP | Rodriguez, F.Rodriguez, Francisco >> | 22 | 2004 | R | 95 | 59 | 0 | 4 | 3 | 4.23 | .280 | 1.17 | 6.3 | 4.3 | 10.6 | 61.2 | 43 | 29 | 29 | 4 | 29 | 72 | 0 | 5 | 1 | 0 | 0 | 0 | 1 | 2.92 |
| RP | Colome, J.Colome, Jesus >> | 27 | 2004 | R | 85 | 41 | 0 | 2 | 1 | 3.65 | .364 | 1.69 | 9.6 | 5.7 | 8.8 | 44.1 | 47 | 18 | 18 | 3 | 28 | 43 | 0 | 6 | 3 | 0 | 0 | 1 | 1 | 3.91 |
| RP | Urbina, U.Urbina, Ugueth >> | 30 | 2004 | R | 63 | 29 | 0 | 1 | 1 | 2.02 | .291 | 1.23 | 6.2 | 5.1 | 9.3 | 35.2 | 24 | 9 | 8 | 0 | 20 | 36 | 0 | 6 | 2 | 0 | 0 | 0 | 4 | 2.66 |
| RP | Cormier, R.Cormier, Rheal >> | 37 | 2004 | L | 61 | 61 | 0 | 0 | 2 | 4.63 | .340 | 1.52 | 9.0 | 4.9 | 5.7 | 44.2 | 44 | 25 | 23 | 5 | 24 | 28 | 0 | 3 | 3 | 0 | 0 | 1 | 0 | 4.91 |
| SP | Pineiro, J.Pineiro, Joel >> | 26 | 2004 | R | 43 | 16 | 0 | 2 | 2 | 5.54 | .346 | 1.59 | 9.9 | 4.5 | 5.4 | 50.1 | 55 | 34 | 31 | 9 | 25 | 30 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.64 |