| 2003 Cy Young Predictor - AL | |||||||||||||
| RK | PLAYER | TEAM | CYP | G | GS | IP | ER | K | SV | SHO | W-L | ERA | VB |
| 1 | Keith Foulke | OAK | 195.0 | 72 | 0 | 86.2 | 20 | 88 | 43 | 0 | 9-1 | 2.08 | 0 |
| 2 | Roy Halladay | TOR | 188.8 | 36 | 36 | 266.0 | 96 | 204 | 0 | 2 | 22-7 | 3.25 | 0 |
| 3 | Esteban Loaiza | CWS | 178.0 | 34 | 34 | 226.1 | 73 | 207 | 0 | 0 | 21-9 | 2.90 | 0 |
| 4 | Jamie Moyer | SEA | 164.2 | 33 | 33 | 215.0 | 78 | 129 | 0 | 0 | 21-7 | 3.27 | 0 |
| 5 | Tim Hudson | OAK | 158.8 | 34 | 34 | 240.0 | 72 | 162 | 0 | 2 | 16-7 | 2.70 | 0 |
| 6 | Mariano Rivera | NYY | 157.5 | 64 | 0 | 70.2 | 13 | 63 | 40 | 0 | 5-2 | 1.66 | 0 |
| 7 | Pedro Martinez | BOS | 150.9 | 29 | 29 | 186.2 | 46 | 206 | 0 | 0 | 14-4 | 2.22 | 0 |
| 8 | Andy Pettitte | NYY | 147.7 | 33 | 33 | 208.1 | 93 | 180 | 0 | 0 | 21-8 | 4.02 | 0 |
| 9 | Mike Mussina | NYY | 141.5 | 31 | 31 | 214.2 | 81 | 195 | 0 | 1 | 17-8 | 3.40 | 0 |
| 10 | Eddie Guardado | MIN | 130.8 | 66 | 0 | 65.1 | 21 | 60 | 41 | 0 | 3-5 | 2.89 | 0 |
| 2003 Cy Young Predictor - NL | |||||||||||||
| RK | PLAYER | TEAM | CYP | G | GS | IP | ER | K | SV | SHO | W-L | ERA | VB |
| 1 | Eric Gagne | LA | 189.7 | 77 | 0 | 82.1 | 11 | 137 | 55 | 0 | 2-3 | 1.20 | 0 |
| 2 | Mark Prior | CHC | 177.8 | 30 | 30 | 211.1 | 57 | 245 | 0 | 1 | 18-6 | 2.43 | 0 |
| 3 | Jason Schmidt | SF | 173.7 | 29 | 29 | 207.2 | 54 | 208 | 0 | 3 | 17-5 | 2.34 | 0 |
| 4 | Russ Ortiz | ATL | 153.4 | 34 | 34 | 212.1 | 90 | 149 | 0 | 1 | 21-7 | 3.81 | 0 |
| 5 | Billy Wagner | HOU | 147.5 | 78 | 0 | 86.0 | 17 | 105 | 44 | 0 | 1-4 | 1.78 | 0 |
| 6 | Kevin Brown | LA | 142.6 | 32 | 32 | 211.0 | 56 | 185 | 0 | 0 | 14-9 | 2.39 | 0 |
| 7 | John Smoltz | ATL | 142.3 | 62 | 0 | 64.1 | 8 | 73 | 45 | 0 | 0-2 | 1.12 | 0 |
| 8 | Tim Worrell | SF | 134.9 | 76 | 0 | 78.1 | 25 | 65 | 38 | 0 | 4-4 | 2.87 | 0 |
| 9 | Hideo Nomo | LA | 133.1 | 33 | 33 | 218.1 | 75 | 177 | 0 | 2 | 16-13 | 3.09 | 0 |
| 10 | Livan Hernandez | MON | 131.5 | 33 | 33 | 233.1 | 83 | 178 | 0 | 0 | 15-10 | 3.20 | 0 |