| SP | Schilling, C.Schilling, Curt # >> | 37 | 2003 | R | 98 | 14 | 14 | 5 | 7 | 4.93 | .306 | 1.29 | 10.1 | 1.5 | 9.0 | 100.1 | 112 | 55 | 55 | 21 | 17 | 100 | 3 | 0 | 0 | 2 | 5 | 4 | 3 | 4.36 |
| SP | Padilla, V.Padilla, Vicente >> | 26 | 2003 | R | 68 | 14 | 14 | 2 | 4 | 4.70 | .338 | 1.49 | 9.9 | 3.6 | 6.5 | 82.1 | 90 | 45 | 43 | 10 | 33 | 59 | 1 | 0 | 0 | 0 | 5 | 3 | 1 | 4.46 |
| SP | Lawrence, B.Lawrence, Brian >> | 27 | 2003 | R | 52 | 14 | 14 | 5 | 7 | 4.70 | .307 | 1.29 | 8.9 | 2.7 | 6.7 | 92.0 | 91 | 48 | 48 | 14 | 28 | 68 | 0 | 0 | 0 | 0 | 6 | 3 | 1 | 4.51 |
| SP | Thomson, J.Thomson, John >> | 30 | 2003 | R | 29 | 13 | 13 | 3 | 9 | 6.21 | .341 | 1.53 | 11.4 | 2.4 | 6.4 | 75.1 | 95 | 53 | 52 | 16 | 20 | 53 | 0 | 0 | 0 | 0 | 6 | 2 | 1 | 5.24 |
| RP | Foulke, K.Foulke, Keith >> | 31 | 2003 | R | 96 | 34 | 0 | 1 | 4 | 6.69 | .331 | 1.44 | 10.4 | 2.7 | 10.6 | 40.1 | 46 | 30 | 30 | 6 | 12 | 47 | 0 | 3 | 2 | 0 | 0 | 2 | 0 | 3.65 |
| RP | Quantrill, P.Quantrill, Paul >> | 35 | 2003 | R | 79 | 36 | 0 | 2 | 3 | 3.59 | .333 | 1.50 | 9.0 | 4.7 | 6.2 | 42.2 | 42 | 17 | 17 | 2 | 22 | 29 | 0 | 4 | 2 | 0 | 0 | 0 | 0 | 3.81 |
| RP | Lopez, J.Lopez, Javier >> | 26 | 2003 | L | 41 | 16 | 0 | 0 | 2 | 8.15 | .411 | 1.92 | 13.2 | 4.8 | 6.9 | 17.2 | 25 | 19 | 16 | 5 | 9 | 13 | 0 | 0 | 1 | 0 | 0 | 3 | 1 | 7.41 |
| RP | Rhodes, A.Rhodes, Arthur >> | 34 | 2003 | L | 32 | 22 | 0 | 0 | 0 | 4.94 | .304 | 1.23 | 8.6 | 2.7 | 7.0 | 23.2 | 22 | 13 | 13 | 4 | 7 | 18 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 4.87 |
| SP | Anderson, B.Anderson, Brian >> | 31 | 2003 | L | 28 | 7 | 0 | 0 | 2 | 2.84 | .377 | 1.82 | 12.8 | 4.5 | 3.8 | 12.2 | 17 | 4 | 4 | 1 | 6 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.75 |