| SP | Hudson, T.Hudson, Tim # $ >> | 28 | 2003 | R | 93 | 14 | 14 | 7 | 6 | 5.00 | .323 | 1.43 | 10.0 | 3.0 | 5.7 | 93.2 | 103 | 53 | 52 | 13 | 31 | 59 | 1 | 0 | 0 | 0 | 6 | 0 | 2 | 4.55 |
| SP | Halladay, R.Halladay, Roy $ >> | 26 | 2003 | R | 85 | 14 | 14 | 4 | 3 | 3.56 | .298 | 1.26 | 9.2 | 2.3 | 6.2 | 103.2 | 105 | 41 | 41 | 9 | 26 | 71 | 4 | 0 | 0 | 0 | 10 | 1 | 2 | 3.54 |
| SP | Pineiro, J.Pineiro, Joel >> | 25 | 2003 | R | 64 | 14 | 14 | 7 | 6 | 5.14 | .328 | 1.46 | 10.0 | 3.2 | 6.3 | 84.0 | 93 | 48 | 48 | 16 | 30 | 59 | 0 | 0 | 0 | 0 | 7 | 0 | 0 | 5.14 |
| SP | Ponson, S.Ponson, Sidney >> | 27 | 2003 | R | 53 | 13 | 13 | 8 | 2 | 4.29 | .340 | 1.48 | 10.3 | 3.2 | 5.3 | 77.2 | 88 | 40 | 37 | 9 | 27 | 45 | 0 | 0 | 0 | 0 | 7 | 5 | 2 | 4.60 |
| SP | Wakefield, T.Wakefield, Tim >> | 37 | 2003 | R | 47 | 13 | 13 | 5 | 2 | 5.47 | .345 | 1.54 | 9.9 | 4.0 | 6.2 | 74.0 | 81 | 46 | 45 | 9 | 33 | 51 | 0 | 0 | 0 | 0 | 5 | 3 | 1 | 4.66 |
| CL | Riske, D.Riske, David $ >> | 27 | 2003 | R | 94 | 26 | 0 | 2 | 0 | 0.00 | .175 | 0.64 | 4.2 | 1.7 | 8.3 | 26.2 | 12 | 0 | 0 | 0 | 5 | 24 | 0 | 19 | 0 | 0 | 0 | 0 | 0 | 1.73 |
| RP | Kershner, J.Kershner, Jason >> | 27 | 2003 | L | 72 | 30 | 0 | 2 | 0 | 3.41 | .291 | 1.20 | 7.5 | 3.5 | 5.2 | 31.2 | 26 | 14 | 12 | 4 | 12 | 18 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 4.77 |
| RP | Hasegawa, S.Hasegawa, Shigetoshi >> | 35 | 2003 | R | 68 | 32 | 0 | 6 | 2 | 5.31 | .294 | 1.25 | 9.4 | 1.9 | 5.6 | 42.1 | 44 | 26 | 25 | 11 | 9 | 26 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 5.81 |
| RP | Herges, M.Herges, Matt >> | 33 | 2003 | R | 60 | 14 | 0 | 0 | 1 | 3.00 | .321 | 1.42 | 10.5 | 2.3 | 5.3 | 12.0 | 14 | 4 | 4 | 1 | 3 | 7 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 3.67 |