| SP | Halladay, R.Halladay, Roy >> | 26 | 2003 | R | 85 | 22 | 7 | 3.25 | .261 | .300 | 1.07 | 8.6 | 1.1 | 6.9 | 266 | 253 | 26 | 32 | 204 | 9 | 0 | 6 | 127 | +8.09 | C |
| SP | Ortiz, R.Ortiz, Russ >> | 29 | 2003 | R | 59 | 21 | 7 | 3.81 | .302 | .340 | 1.32 | 7.5 | 4.3 | 6.3 | 212 | 177 | 17 | 102 | 149 | 1 | 0 | 5 | 106 | +2.25 | C |
| SP | Loaiza, E.Loaiza, Esteban >> | 32 | 2003 | R | 89 | 21 | 9 | 2.90 | .268 | .310 | 1.12 | 7.8 | 2.2 | 8.2 | 226 | 196 | 17 | 56 | 207 | 1 | 0 | 3 | 108 | +7.18 | C |
| SP | Pettitte, A.Pettitte, Andy >> | 31 | 2003 | L | 22 | 21 | 8 | 4.02 | .304 | .340 | 1.33 | 9.8 | 2.2 | 7.8 | 208 | 227 | 21 | 50 | 180 | 1 | 0 | 5 | 106 | +3.09 | C |
| SP | Moyer, J.Moyer, Jamie >> | 41 | 2003 | L | 70 | 21 | 7 | 3.27 | .288 | .330 | 1.23 | 8.3 | 2.8 | 5.4 | 215 | 199 | 19 | 66 | 129 | 1 | 0 | 0 | 110 | +4.75 | C |
| SP | Prior, M.Prior, Mark >> | 23 | 2003 | R | 94 | 18 | 6 | 2.43 | .266 | .310 | 1.10 | 7.8 | 2.1 | 10.5 | 211 | 183 | 15 | 50 | 245 | 3 | 0 | 9 | 121 | +7.41 | C |
| SP | Mussina, M.Mussina, Mike >> | 35 | 2003 | R | 88 | 17 | 8 | 3.40 | .262 | .300 | 1.08 | 8.1 | 1.7 | 8.2 | 214 | 192 | 21 | 40 | 195 | 2 | 0 | 4 | 109 | +6.58 | C |
| SP | Lowe, D.Lowe, Derek >> | 30 | 2003 | R | 7 | 17 | 7 | 4.47 | .318 | .360 | 1.42 | 9.6 | 3.2 | 4.9 | 203 | 216 | 17 | 72 | 110 | 1 | 0 | 3 | 104 | +2.82 | C |
| SP | Clemens, R.Clemens, Roger >> | 41 | 2003 | R | 78 | 17 | 9 | 3.91 | .286 | .330 | 1.22 | 8.5 | 2.5 | 8.1 | 211 | 199 | 24 | 58 | 190 | 1 | 0 | 5 | 113 | +4.04 | C |
| SP | Ponson, S.Ponson, Sidney >> | 27 | 2003 | R | 53 | 17 | 12 | 3.75 | .292 | .330 | 1.26 | 8.8 | 2.5 | 5.6 | 216 | 211 | 16 | 61 | 134 | 4 | 0 | 9 | 109 | +4.48 | C |
| SP | Wolf, R.Wolf, Randy >> | 27 | 2003 | L | 74 | 16 | 10 | 4.23 | .294 | .330 | 1.27 | 7.9 | 3.5 | 8.0 | 200 | 176 | 27 | 78 | 177 | 2 | 0 | 6 | 107 | +0.85 | C |
| SP | Pineiro, J.Pineiro, Joel >> | 25 | 2003 | R | 64 | 16 | 11 | 3.78 | .294 | .330 | 1.27 | 8.2 | 3.2 | 6.4 | 211 | 192 | 19 | 76 | 151 | 3 | 0 | 5 | 108 | +3.05 | C |
| SP | Trachsel, S.Trachsel, Steve >> | 33 | 2003 | R | 27 | 16 | 10 | 3.78 | .302 | .340 | 1.32 | 9.0 | 2.9 | 4.9 | 204 | 204 | 26 | 65 | 111 | 2 | 0 | 5 | 103 | +4.35 | C |
| SP | Maddux, G.Maddux, Greg >> | 37 | 2003 | R | 60 | 16 | 11 | 3.96 | .280 | .320 | 1.18 | 9.3 | 1.4 | 5.1 | 218 | 225 | 24 | 33 | 124 | 1 | 0 | 3 | 110 | +1.33 | C |
| SP | Nomo, H.Nomo, Hideo >> | 35 | 2003 | R | 82 | 16 | 13 | 3.09 | .291 | .330 | 1.25 | 7.2 | 4.0 | 7.3 | 218 | 175 | 24 | 98 | 177 | 2 | 0 | 11 | 107 | +3.55 | C |
| SP | Leiter, A.Leiter, Al >> | 38 | 2003 | L | 16 | 15 | 9 | 3.99 | .329 | .370 | 1.50 | 8.8 | 4.7 | 7.0 | 180 | 176 | 15 | 94 | 139 | 1 | 0 | 5 | 108 | +3.59 | C |
| SP | Hernandez, L.Hernandez, Livan >> | 28 | 2003 | R | 72 | 15 | 10 | 3.20 | .285 | .320 | 1.21 | 8.7 | 2.2 | 6.9 | 233 | 225 | 27 | 57 | 178 | 8 | 0 | 6 | 124 | +6.35 | C |
| SP | Meche, G.Meche, Gil >> | 25 | 2003 | R | 25 | 15 | 13 | 4.59 | .306 | .350 | 1.34 | 9.0 | 3.0 | 6.3 | 186 | 187 | 30 | 63 | 130 | 1 | 0 | 7 | 103 | +1.73 | C |
| SP | Myers, B.Myers, Brett >> | 23 | 2003 | R | 9 | 14 | 9 | 4.43 | .323 | .360 | 1.46 | 9.6 | 3.5 | 6.7 | 193 | 205 | 20 | 76 | 143 | 1 | 0 | 9 | 108 | +0.83 | C |
| SP | Zito, B.Zito, Barry >> | 25 | 2003 | L | 86 | 14 | 12 | 3.30 | .280 | .320 | 1.19 | 7.2 | 3.4 | 5.7 | 231 | 186 | 19 | 88 | 146 | 4 | 0 | 4 | 116 | +5.3 | C |
| SP | Hampton, M.Hampton, Mike >> | 31 | 2003 | L | 19 | 14 | 8 | 3.84 | .313 | .350 | 1.39 | 8.8 | 3.7 | 5.2 | 190 | 186 | 14 | 78 | 110 | 1 | 0 | 10 | 106 | +1.89 | C |
| SP | Penny, B.Penny, Brad >> | 25 | 2003 | R | 44 | 14 | 10 | 4.13 | .296 | .340 | 1.28 | 9.0 | 2.6 | 6.3 | 196 | 195 | 21 | 56 | 138 | 0 | 0 | 3 | 108 | +2.85 | C |
| SP | Anderson, B.Anderson, Brian >> | 31 | 2003 | L | 28 | 14 | 11 | 3.78 | .298 | .340 | 1.29 | 9.7 | 2.0 | 4.0 | 197 | 212 | 27 | 43 | 87 | 2 | 0 | 3 | 108 | +1.65 | C |
| SP | Miller, W.Miller, Wade >> | 27 | 2003 | R | 58 | 14 | 13 | 4.13 | .300 | .340 | 1.31 | 8.1 | 3.7 | 7.7 | 187 | 168 | 17 | 77 | 161 | 1 | 0 | 4 | 100 | +1.28 | C |
| SP | Radke, B.Radke, Brad >> | 31 | 2003 | R | 30 | 14 | 10 | 4.49 | .295 | .330 | 1.27 | 10.3 | 1.2 | 5.1 | 212 | 242 | 32 | 28 | 120 | 3 | 0 | 0 | 108 | +2.46 | C |
| SP | Lohse, K.Lohse, Kyle >> | 25 | 2003 | R | 37 | 14 | 11 | 4.61 | .295 | .330 | 1.27 | 9.4 | 2.0 | 5.8 | 201 | 211 | 28 | 45 | 130 | 2 | 0 | 10 | 109 | +2.33 | C |
| SP | Millwood, K.Millwood, Kevin >> | 29 | 2003 | R | 66 | 14 | 12 | 4.01 | .291 | .330 | 1.25 | 8.5 | 2.8 | 6.9 | 222 | 210 | 19 | 68 | 169 | 5 | 0 | 2 | 112 | +2.28 | C |
| SP | Buehrle, M.Buehrle, Mark >> | 24 | 2003 | L | 12 | 14 | 14 | 4.14 | .308 | .350 | 1.35 | 9.8 | 2.4 | 4.7 | 230 | 250 | 22 | 61 | 119 | 2 | 0 | 1 | 109 | +2.52 | C |
| SP | Clement, M.Clement, Matt >> | 29 | 2003 | R | 83 | 14 | 12 | 4.11 | .288 | .330 | 1.23 | 7.6 | 3.5 | 7.7 | 201 | 169 | 22 | 79 | 171 | 2 | 0 | 13 | 107 | +2.83 | C |
| SP | Padilla, V.Padilla, Vicente >> | 26 | 2003 | R | 68 | 14 | 12 | 3.62 | .289 | .330 | 1.24 | 8.5 | 2.7 | 5.8 | 208 | 196 | 22 | 62 | 133 | 1 | 0 | 3 | 105 | +2.36 | C |
| SP | Tomko, B.Tomko, Brett >> | 30 | 2003 | R | 2 | 13 | 9 | 5.28 | .334 | .370 | 1.53 | 11.2 | 2.5 | 5.1 | 202 | 252 | 35 | 57 | 114 | 2 | 0 | 6 | 106 | -0.58 | C |
| SP | Rogers, K.Rogers, Kenny >> | 39 | 2003 | L | 4 | 13 | 8 | 4.57 | .318 | .360 | 1.42 | 10.5 | 2.3 | 5.4 | 195 | 227 | 22 | 50 | 116 | 0 | 0 | 6 | 90 | +1.89 | C |
| SP | Thomson, J.Thomson, John >> | 30 | 2003 | R | 29 | 13 | 14 | 4.85 | .300 | .340 | 1.30 | 9.7 | 2.0 | 5.6 | 217 | 234 | 27 | 49 | 136 | 3 | 0 | 5 | 106 | +1.95 | C |
| SP | Vazquez, J.Vazquez, Javier >> | 27 | 2003 | R | 92 | 13 | 12 | 3.24 | .267 | .310 | 1.11 | 7.7 | 2.2 | 9.4 | 230 | 198 | 28 | 57 | 241 | 4 | 0 | 11 | 106 | +6.05 | C |
| SP | Escobar, K.Escobar, Kelvim >> | 27 | 2003 | R | 14 | 13 | 9 | 4.29 | .327 | .370 | 1.48 | 9.5 | 3.9 | 8.0 | 180 | 189 | 15 | 78 | 159 | 1 | 4 | 9 | 75 | +3.28 | C |
| SP | Suppan, J.Suppan, Jeff >> | 28 | 2003 | R | 24 | 13 | 11 | 4.19 | .301 | .340 | 1.31 | 9.6 | 2.3 | 4.9 | 204 | 217 | 23 | 51 | 110 | 3 | 0 | 7 | 105 | +3.68 | C |
| SP | Lilly, T.Lilly, Ted >> | 27 | 2003 | L | 32 | 12 | 10 | 4.34 | .303 | .340 | 1.33 | 9.1 | 2.9 | 7.4 | 178 | 179 | 24 | 58 | 147 | 0 | 0 | 5 | 92 | +2.26 | C |
| SP | Ramirez, H.Ramirez, Horacio >> | 24 | 2003 | L | 15 | 12 | 4 | 4.00 | .313 | .350 | 1.39 | 9.0 | 3.6 | 4.9 | 182 | 181 | 21 | 72 | 100 | 1 | 0 | 5 | 108 | +1.33 | C |
| SP | Burkett, J.Burkett, John >> | 39 | 2003 | R | 8 | 12 | 9 | 5.15 | .310 | .350 | 1.38 | 10.0 | 2.3 | 5.3 | 181 | 202 | 20 | 47 | 107 | 1 | 0 | 3 | 86 | +1.51 | C |
| SP | Garland, J.Garland, Jon >> | 24 | 2003 | R | 20 | 12 | 13 | 4.51 | .310 | .350 | 1.37 | 8.9 | 3.5 | 5.1 | 191 | 188 | 28 | 74 | 108 | 0 | 0 | 8 | 86 | +1.97 | C |
| SP | Garcia, F.Garcia, Freddy >> | 28 | 2003 | R | 35 | 12 | 14 | 4.51 | .303 | .340 | 1.33 | 8.8 | 3.2 | 6.4 | 201 | 196 | 31 | 71 | 144 | 1 | 0 | 11 | 104 | +1.3 | C |
| SP | Lidle, C.Lidle, Cory >> | 31 | 2003 | R | 3 | 12 | 15 | 5.75 | .320 | .360 | 1.44 | 10.1 | 2.8 | 5.3 | 192 | 216 | 24 | 60 | 112 | 2 | 0 | 9 | 107 | +0.52 | C |
| SP | Pavano, C.Pavano, Carl >> | 27 | 2003 | R | 46 | 12 | 13 | 4.30 | .292 | .330 | 1.26 | 9.1 | 2.2 | 6.0 | 201 | 204 | 19 | 49 | 133 | 2 | 0 | 3 | 108 | +2.35 | C |
| SP | Perez, O.Perez, Odalis >> | 26 | 2003 | L | 39 | 12 | 12 | 4.52 | .296 | .340 | 1.28 | 9.3 | 2.2 | 6.9 | 185 | 191 | 28 | 46 | 141 | 0 | 0 | 2 | 107 | +0.35 | C |
| SP | Santana, J.Santana, Johan >> | 24 | 2003 | L | 97 | 12 | 3 | 3.07 | .264 | .300 | 1.10 | 7.2 | 2.7 | 9.6 | 158 | 127 | 17 | 47 | 169 | 0 | 0 | 6 | 64 | +4.1 | C |
| SP | Zambrano, V.Zambrano, Victor >> | 28 | 2003 | R | 33 | 12 | 10 | 4.21 | .321 | .360 | 1.44 | 7.9 | 5.1 | 6.3 | 188 | 165 | 21 | 106 | 132 | 1 | 0 | 15 | 91 | +2.62 | C |
| SP | Sheets, B.Sheets, Ben >> | 25 | 2003 | R | 50 | 11 | 13 | 4.45 | .291 | .330 | 1.25 | 9.5 | 1.8 | 6.4 | 220 | 232 | 29 | 43 | 157 | 1 | 0 | 7 | 108 | +2.37 | C |
| SP | Chacon, S.Chacon, Shawn >> | 26 | 2003 | R | 42 | 11 | 8 | 4.60 | .302 | .340 | 1.33 | 8.1 | 3.8 | 6.1 | 137 | 124 | 12 | 58 | 93 | 0 | 0 | 8 | 105 | +1.86 | C |
| SP | Morris, M.Morris, Matt >> | 29 | 2003 | R | 77 | 11 | 8 | 3.76 | .278 | .320 | 1.18 | 8.6 | 2.0 | 6.3 | 172 | 164 | 20 | 39 | 120 | 5 | 0 | 3 | 109 | +2.65 | C |
| SP | Wakefield, T.Wakefield, Tim >> | 37 | 2003 | R | 47 | 11 | 7 | 4.09 | .300 | .340 | 1.31 | 8.6 | 3.2 | 7.5 | 202 | 193 | 23 | 71 | 169 | 0 | 1 | 8 | 102 | +3.63 | C |
| SP | Batista, M.Batista, Miguel >> | 32 | 2003 | R | 26 | 10 | 9 | 3.54 | .304 | .340 | 1.33 | 9.2 | 2.8 | 6.6 | 193 | 197 | 13 | 60 | 142 | 2 | 0 | 7 | 90 | +4.34 | C |
| SP | Washburn, J.Washburn, Jarrod >> | 29 | 2003 | L | 54 | 10 | 15 | 4.43 | .291 | .330 | 1.25 | 8.9 | 2.3 | 5.1 | 207 | 205 | 34 | 54 | 118 | 2 | 0 | 4 | 109 | +2.42 | C |
| SP | Webb, B.Webb, Brandon >> | 24 | 2003 | R | 96 | 10 | 9 | 2.84 | .274 | .310 | 1.16 | 7.0 | 3.4 | 8.6 | 180 | 140 | 12 | 68 | 172 | 1 | 0 | 9 | 105 | +6.16 | C |
| SP | Lawrence, B.Lawrence, Brian >> | 27 | 2003 | R | 52 | 10 | 15 | 4.19 | .291 | .330 | 1.25 | 8.8 | 2.4 | 5.0 | 210 | 206 | 27 | 57 | 116 | 1 | 0 | 4 | 106 | +1.14 | C |
| SP | Redding, T.Redding, Tim >> | 25 | 2003 | R | 17 | 10 | 14 | 3.68 | .312 | .350 | 1.39 | 9.2 | 3.3 | 5.9 | 176 | 179 | 16 | 65 | 116 | 0 | 0 | 3 | 93 | +1.55 | C |
| SP | Lackey, J.Lackey, John >> | 25 | 2003 | R | 10 | 10 | 16 | 4.63 | .317 | .360 | 1.42 | 9.8 | 2.9 | 6.7 | 204 | 223 | 31 | 66 | 151 | 2 | 0 | 11 | 109 | +1.29 | C |
| SP | Ohka, T.Ohka, Tomokazu >> | 27 | 2003 | R | 6 | 10 | 12 | 4.16 | .314 | .350 | 1.40 | 10.5 | 2.0 | 5.3 | 199 | 233 | 24 | 45 | 118 | 2 | 0 | 8 | 87 | +2.62 | C |
| SP | Kinney, M.Kinney, Matt >> | 27 | 2003 | R | 13 | 10 | 13 | 5.19 | .326 | .370 | 1.48 | 9.5 | 3.8 | 7.2 | 190 | 201 | 27 | 80 | 152 | 1 | 0 | 10 | 93 | +0.49 | C |
| SP | Oswalt, R.Oswalt, Roy >> | 26 | 2003 | R | 84 | 10 | 5 | 2.97 | .271 | .310 | 1.14 | 8.2 | 2.1 | 7.7 | 127 | 116 | 15 | 29 | 108 | 0 | 0 | 1 | 109 | +2.87 | C |
| SP | D'Amico, J.D'Amico, Jeff >> | 28 | 2003 | R | 5 | 9 | 16 | 4.77 | .315 | .360 | 1.41 | 10.5 | 2.2 | 5.1 | 175 | 204 | 23 | 42 | 100 | 2 | 0 | 6 | 103 | +0.7 | C |
| SP | Ishii, K.Ishii, Kazuhisa >> | 30 | 2003 | L | 34 | 9 | 7 | 3.86 | .338 | .380 | 1.56 | 7.9 | 6.2 | 8.6 | 147 | 129 | 16 | 101 | 140 | 0 | 0 | 10 | 92 | +0.7 | C |
| SP | Seo, J.Seo, Jae Weong >> | 26 | 2003 | R | 38 | 9 | 12 | 3.82 | .294 | .330 | 1.27 | 9.2 | 2.2 | 5.3 | 188 | 193 | 18 | 46 | 110 | 0 | 0 | 2 | 93 | +3.27 | C |
| SP | Eaton, A.Eaton, Adam >> | 26 | 2003 | R | 43 | 9 | 12 | 4.08 | .301 | .340 | 1.32 | 8.5 | 3.3 | 7.2 | 183 | 173 | 20 | 68 | 146 | 1 | 0 | 7 | 86 | +1.16 | C |
| SP | Schilling, C.Schilling, Curt >> | 37 | 2003 | R | 98 | 8 | 9 | 2.95 | .255 | .300 | 1.05 | 7.7 | 1.7 | 10.4 | 168 | 144 | 17 | 32 | 194 | 3 | 0 | 4 | 125 | +5.97 | C |
| SP | Davis, J.Davis, Jason >> | 23 | 2003 | R | 18 | 8 | 11 | 4.68 | .302 | .340 | 1.33 | 9.4 | 2.6 | 4.6 | 165 | 172 | 25 | 47 | 85 | 1 | 0 | 9 | 110 | +0.34 | C |
| SP | Stephenson, G.Stephenson, Garrett >> | 31 | 2003 | R | 36 | 7 | 13 | 4.59 | .299 | .340 | 1.30 | 8.6 | 3.1 | 4.7 | 174 | 167 | 30 | 60 | 91 | 1 | 0 | 5 | 86 | +1.1 | C |
| SP | Gonzalez, G.Gonzalez, Geremi >> | 28 | 2003 | R | 65 | 6 | 11 | 3.91 | .295 | .340 | 1.28 | 7.6 | 4.0 | 5.6 | 156 | 131 | 18 | 69 | 97 | 2 | 0 | 3 | 109 | +3.05 | C |
| SP | Johnson, R.Johnson, Randy >> | 40 | 2003 | L | 23 | 6 | 8 | 4.26 | .302 | .340 | 1.33 | 9.9 | 2.1 | 9.9 | 114 | 125 | 16 | 27 | 125 | 1 | 0 | 1 | 103 | +1.61 | C |
| SP | Alvarez, W.Alvarez, Wilson >> | 33 | 2003 | L | 95 | 6 | 2 | 2.37 | .259 | .300 | 1.08 | 7.6 | 2.2 | 7.8 | 95 | 80 | 5 | 23 | 82 | 1 | 1 | 1 | 70 | +2.41 | C |
| SP | Villone, R.Villone, Ron >> | 33 | 2003 | L | 63 | 6 | 6 | 4.13 | .298 | .340 | 1.31 | 7.7 | 4.1 | 7.7 | 106 | 91 | 16 | 48 | 91 | 0 | 0 | 1 | 93 | +0.92 | C |