| SP | Martinez, P.Martinez, Pedro # >> | 32 | 2003 | R | 94 | 28 | 28 | 9 | 12 | 4.79 | .302 | 1.27 | 8.4 | 3.0 | 8.7 | 178.1 | 167 | 98 | 95 | 32 | 59 | 173 | 1 | 0 | 0 | 0 | 13 | 5 | 6 | 4.47 |
| SP | Hamels, C.Hamels, Cole >> | 27 | 2007 | L | 80 | 28 | 28 | 11 | 9 | 4.75 | .342 | 1.53 | 10.5 | 3.3 | 6.0 | 182.0 | 212 | 103 | 96 | 19 | 66 | 122 | 2 | 0 | 0 | 0 | 12 | 6 | 3 | 4.20 |
| SP | Telemaco, A.Telemaco, Amaury >> | 29 | 2003 | R | 68 | 28 | 28 | 9 | 10 | 4.97 | .326 | 1.42 | 9.4 | 3.4 | 5.7 | 163.0 | 171 | 90 | 90 | 31 | 61 | 104 | 0 | 0 | 0 | 0 | 13 | 5 | 6 | 5.41 |
| RP | Cormier, R.Cormier, Rheal >> | 36 | 2003 | L | 85 | 77 | 0 | 7 | 2 | 2.86 | .265 | 1.07 | 6.8 | 2.9 | 6.3 | 69.1 | 52 | 22 | 22 | 4 | 22 | 48 | 0 | 1 | 4 | 0 | 0 | 1 | 0 | 3.36 |
| RP | Urbina, U.Urbina, Ugueth >> | 29 | 2003 | R | 72 | 69 | 0 | 3 | 2 | 4.22 | .293 | 1.22 | 7.7 | 3.3 | 8.1 | 49.0 | 42 | 23 | 23 | 3 | 18 | 44 | 0 | 0 | 2 | 0 | 0 | 1 | 1 | 3.16 |
| RP | Seanez, R.Seanez, Rudy >> | 39 | 2005 | R | 50 | 35 | 0 | 2 | 0 | 2.19 | .267 | 1.05 | 5.3 | 4.5 | 7.5 | 24.2 | 14 | 7 | 6 | 1 | 12 | 20 | 0 | 3 | 0 | 0 | 0 | 1 | 2 | 3.50 |
| RP | Madson, R.Madson, Ryan >> | 25 | 2004 | R | 42 | 29 | 0 | 2 | 1 | 5.20 | .308 | 1.34 | 7.0 | 5.3 | 3.7 | 27.2 | 21 | 17 | 16 | 2 | 16 | 11 | 0 | 3 | 1 | 0 | 0 | 0 | 1 | 4.93 |
| RP | Romero, J.Romero, J.C. >> | 29 | 2004 | L | 44 | 59 | 0 | 1 | 0 | 6.19 | .370 | 1.76 | 10.5 | 5.5 | 6.8 | 36.1 | 42 | 25 | 25 | 9 | 22 | 27 | 0 | 2 | 1 | 0 | 0 | 0 | 3 | 6.58 |
| SP | Blanton, J.Blanton, Joe >> | 27 | 2005 | R | 57 | 24 | 1 | 2 | 3 | 4.93 | .317 | 1.35 | 8.7 | 3.5 | 4.3 | 87.2 | 84 | 49 | 48 | 9 | 34 | 42 | 0 | 1 | 0 | 0 | 1 | 4 | 0 | 4.69 |