| SP | Redman, M.Redman, Mark >> | 29 | 2003 | L | 80 | 9 | 9 | 3 | 4 | 5.26 | .335 | 1.47 | 10.3 | 3.1 | 6.2 | 49.2 | 56 | 31 | 29 | 6 | 17 | 34 | 0 | 0 | 0 | 0 | 3 | 2 | 2 | 4.37 |
| SP | Millwood, K.Millwood, Kevin >> | 29 | 2003 | R | 66 | 9 | 9 | 2 | 1 | 8.05 | .341 | 1.50 | 10.9 | 2.6 | 4.3 | 38.0 | 46 | 37 | 34 | 11 | 11 | 18 | 0 | 0 | 0 | 0 | 2 | 2 | 1 | 6.84 |
| SP | Washburn, J.Washburn, Jarrod >> | 29 | 2003 | L | 54 | 9 | 9 | 3 | 2 | 6.38 | .380 | 1.75 | 12.4 | 3.4 | 7.5 | 42.1 | 58 | 37 | 30 | 12 | 16 | 35 | 0 | 0 | 0 | 0 | 3 | 4 | 1 | 6.48 |
| SP | Beckett, J.Beckett, Josh >> | 23 | 2003 | R | 49 | 10 | 9 | 2 | 1 | 5.67 | .357 | 1.61 | 10.4 | 4.4 | 9.0 | 39.2 | 45 | 26 | 25 | 3 | 19 | 39 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 3.62 |
| CL | Dotel, O.Dotel, Octavio >> | 30 | 2003 | R | 98 | 24 | 0 | 1 | 1 | 4.18 | .282 | 1.11 | 6.4 | 3.5 | 7.4 | 28.0 | 20 | 13 | 13 | 4 | 11 | 23 | 0 | 13 | 3 | 0 | 0 | 2 | 0 | 4.61 |
| RP | Marte, D.Marte, Damaso >> | 28 | 2003 | L | 90 | 26 | 0 | 1 | 1 | 4.37 | .370 | 1.72 | 7.4 | 8.6 | 9.0 | 22.2 | 18 | 11 | 11 | 2 | 21 | 22 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 5.18 |
| RP | Percival, T.Percival, Troy >> | 34 | 2003 | R | 80 | 24 | 0 | 0 | 1 | 6.23 | .355 | 1.62 | 10.7 | 3.8 | 6.6 | 26.0 | 31 | 18 | 18 | 7 | 11 | 19 | 0 | 1 | 1 | 0 | 0 | 1 | 1 | 6.42 |
| RP | Isringhausen, J.Isringhausen, Jason >> | 31 | 2003 | R | 77 | 15 | 0 | 1 | 1 | 3.86 | .333 | 1.50 | 7.5 | 6.5 | 6.0 | 18.2 | 15 | 8 | 8 | 1 | 13 | 12 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 4.56 |
| RP | Hasegawa, S.Hasegawa, Shigetoshi >> | 35 | 2003 | R | 68 | 19 | 0 | 2 | 0 | 5.79 | .333 | 1.50 | 10.0 | 4.0 | 6.0 | 18.2 | 20 | 14 | 12 | 4 | 8 | 12 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 5.89 |
| RP | Ramirez, E.Ramirez, Erasmo >> | 27 | 2003 | L | 55 | 27 | 0 | 0 | 3 | 3.52 | .348 | 1.53 | 11.7 | 2.4 | 6.9 | 30.2 | 39 | 12 | 12 | 2 | 8 | 23 | 0 | 1 | 0 | 0 | 0 | 2 | 0 | 3.33 |