| SP | Vazquez, J.Vazquez, Javier >> | 27 | 2003 | R | 92 | 8 | 8 | 1 | 4 | 5.89 | .307 | 1.31 | 8.4 | 3.5 | 8.8 | 44.1 | 41 | 29 | 29 | 9 | 17 | 43 | 0 | 0 | 0 | 0 | 4 | 1 | 2 | 4.93 |
| SP | Villone, R.Villone, Ron # >> | 33 | 2003 | L | 63 | 8 | 8 | 2 | 3 | 4.24 | .300 | 1.24 | 7.4 | 3.9 | 6.8 | 46.2 | 38 | 22 | 22 | 9 | 20 | 35 | 0 | 0 | 0 | 0 | 3 | 2 | 0 | 5.46 |
| SP | Hampton, M.Hampton, Mike >> | 31 | 2003 | L | 19 | 8 | 8 | 1 | 4 | 7.22 | .396 | 1.94 | 12.8 | 5.0 | 7.1 | 38.2 | 54 | 31 | 31 | 11 | 21 | 30 | 0 | 0 | 0 | 0 | 3 | 1 | 1 | 6.92 |
| RP | Smoltz, J.Smoltz, John >> | 36 | 2003 | R | 93 | 27 | 0 | 3 | 1 | 3.79 | .305 | 1.24 | 7.6 | 3.6 | 7.3 | 38.0 | 32 | 18 | 16 | 2 | 15 | 31 | 0 | 1 | 1 | 0 | 0 | 3 | 1 | 3.47 |
| RP | Bradford, C.Bradford, Chad >> | 29 | 2003 | R | 48 | 22 | 0 | 2 | 2 | 1.69 | .238 | 0.94 | 5.1 | 3.4 | 7.9 | 32.0 | 18 | 6 | 6 | 1 | 12 | 28 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 2.78 |
| RP | Worrell, T.Worrell, Tim >> | 36 | 2003 | R | 34 | 18 | 0 | 0 | 2 | 1.20 | .250 | 1.00 | 7.2 | 1.8 | 6.9 | 30.0 | 24 | 4 | 4 | 0 | 6 | 23 | 0 | 1 | 0 | 0 | 0 | 0 | 2 | 2.07 |
| RP | Spurling, C.Spurling, Chris >> | 26 | 2003 | R | 23 | 18 | 0 | 1 | 2 | 3.92 | .361 | 1.65 | 10.4 | 5.0 | 5.9 | 20.2 | 23 | 9 | 9 | 1 | 11 | 13 | 0 | 2 | 1 | 0 | 0 | 1 | 0 | 4.15 |