| SP | Mussina, M.Mussina, Mike >> | 35 | 2003 | R | 88 | 9 | 9 | 2 | 3 | 3.92 | .255 | 0.98 | 7.6 | 1.3 | 8.2 | 57.1 | 48 | 26 | 25 | 4 | 8 | 52 | 0 | 0 | 0 | 0 | 5 | 3 | 1 | 2.67 |
| SP | Hernandez, L.Hernandez, Livan >> | 28 | 2003 | R | 72 | 9 | 9 | 1 | 4 | 6.11 | .332 | 1.45 | 10.4 | 2.7 | 6.1 | 53.0 | 61 | 37 | 36 | 7 | 16 | 36 | 0 | 0 | 0 | 0 | 3 | 2 | 1 | 4.38 |
| SP | Ponson, S.Ponson, Sidney >> | 27 | 2003 | R | 53 | 8 | 8 | 0 | 5 | 5.72 | .348 | 1.51 | 10.0 | 3.8 | 6.0 | 45.2 | 50 | 33 | 29 | 6 | 19 | 30 | 0 | 0 | 0 | 0 | 4 | 4 | 2 | 4.93 |
| RP | Cormier, R.Cormier, Rheal >> | 36 | 2003 | L | 90 | 27 | 0 | 2 | 2 | 5.33 | .321 | 1.38 | 8.6 | 4.0 | 6.8 | 25.1 | 24 | 15 | 15 | 2 | 11 | 19 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 3.96 |
| CL | Rivera, M.Rivera, Mariano >> | 34 | 2003 | R | 75 | 24 | 0 | 2 | 1 | 4.24 | .286 | 1.07 | 7.4 | 2.3 | 4.7 | 23.1 | 19 | 13 | 11 | 1 | 6 | 12 | 0 | 2 | 2 | 0 | 0 | 3 | 0 | 3.70 |
| RP | Kershner, J.Kershner, Jason >> | 27 | 2003 | L | 72 | 28 | 0 | 2 | 0 | 2.97 | .275 | 1.08 | 6.5 | 3.3 | 7.6 | 33.1 | 24 | 11 | 11 | 3 | 12 | 28 | 0 | 0 | 1 | 0 | 0 | 2 | 0 | 3.76 |
| RP | Koplove, M.Koplove, Mike >> | 27 | 2003 | R | 70 | 34 | 0 | 2 | 3 | 2.59 | .282 | 1.12 | 6.1 | 4.1 | 7.0 | 31.1 | 21 | 9 | 9 | 0 | 14 | 24 | 0 | 1 | 2 | 0 | 0 | 2 | 0 | 3.00 |