| SP | Loaiza, E.Loaiza, Esteban >> | 32 | 2003 | R | 89 | 14 | 14 | 8 | 2 | 3.05 | .266 | 1.08 | 7.1 | 2.6 | 6.8 | 97.1 | 77 | 33 | 33 | 16 | 28 | 73 | 0 | 0 | 0 | 0 | 10 | 1 | 1 | 4.54 |
| RP | Valverde, J.Valverde, Jose >> | 24 | 2003 | R | 97 | 38 | 0 | 4 | 1 | 3.50 | .314 | 1.35 | 6.7 | 5.5 | 10.2 | 54.0 | 40 | 22 | 21 | 4 | 33 | 61 | 0 | 4 | 5 | 0 | 0 | 1 | 1 | 3.59 |
| RP | Villarreal, O.Villarreal, Oscar >> | 22 | 2003 | R | 52 | 22 | 0 | 0 | 2 | 6.05 | .370 | 1.76 | 10.9 | 5.2 | 4.7 | 19.1 | 23 | 15 | 13 | 4 | 11 | 10 | 0 | 2 | 1 | 0 | 0 | 0 | 1 | 6.42 |
| SP | Ishii, K.Ishii, Kazuhisa >> | 30 | 2003 | L | 34 | 8 | 1 | 5 | 0 | 2.25 | .345 | 1.58 | 9.0 | 5.3 | 8.3 | 12.0 | 12 | 6 | 3 | 0 | 7 | 11 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 2.92 |