| SP | Schilling, C.Schilling, Curt # >> | 37 | 2003 | R | 98 | 10 | 10 | 2 | 3 | 3.65 | .288 | 1.18 | 8.3 | 2.3 | 8.8 | 74.0 | 68 | 38 | 30 | 9 | 19 | 72 | 0 | 0 | 0 | 0 | 6 | 3 | 2 | 3.53 |
| SP | Clement, M.Clement, Matt >> | 29 | 2003 | R | 83 | 9 | 9 | 6 | 2 | 2.20 | .276 | 1.14 | 6.9 | 3.4 | 5.5 | 61.1 | 47 | 16 | 15 | 1 | 23 | 37 | 0 | 0 | 0 | 0 | 6 | 0 | 3 | 3.13 |
| SP | Maddux, G.Maddux, Greg >> | 37 | 2003 | R | 60 | 9 | 9 | 4 | 4 | 4.38 | .317 | 1.35 | 9.4 | 2.8 | 6.5 | 61.2 | 64 | 30 | 30 | 13 | 19 | 44 | 1 | 0 | 0 | 0 | 4 | 3 | 0 | 5.41 |
| RP | Wagner, B.Wagner, Billy >> | 32 | 2003 | L | 99 | 27 | 0 | 3 | 0 | 4.81 | .279 | 1.10 | 6.5 | 3.5 | 10.9 | 33.2 | 24 | 18 | 18 | 6 | 13 | 40 | 0 | 5 | 2 | 0 | 0 | 2 | 3 | 4.30 |
| RP | Timlin, M.Timlin, Mike >> | 37 | 2003 | R | 69 | 19 | 0 | 0 | 2 | 3.09 | .278 | 1.16 | 10.2 | 0.4 | 5.5 | 23.1 | 26 | 8 | 8 | 1 | 1 | 14 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 2.48 |
| RP | Shields, S.Shields, Scot >> | 28 | 2003 | R | 51 | 6 | 0 | 1 | 0 | 2.92 | .302 | 1.22 | 8.3 | 3.0 | 5.3 | 12.1 | 11 | 4 | 4 | 2 | 4 | 7 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 5.25 |
| RP | Lopez, J.Lopez, Javier >> | 26 | 2003 | L | 41 | 11 | 0 | 1 | 1 | 5.25 | .294 | 1.17 | 9.0 | 1.5 | 5.3 | 12.0 | 12 | 7 | 7 | 5 | 2 | 7 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 8.00 |
| SP | Ishii, K.Ishii, Kazuhisa >> | 30 | 2003 | L | 34 | 0 | 0 | 0 | 0 | - | .000 | - | - | - | - | 0.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | - |
| SP | Perez, O.Perez, Odalis >> | 26 | 2003 | L | 39 | 0 | 0 | 0 | 0 | - | .000 | - | - | - | - | 0.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | - |
| SP | Thomson, J.Thomson, John >> | 30 | 2003 | R | 29 | 0 | 0 | 0 | 0 | - | .000 | - | - | - | - | 0.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | - |