| Starter | Tm | Tier | Game |
|---|---|---|---|
| Roy Oswalt | HOU | 5.06 | 200304080_CIN_HOU |
| Mark Buehrle | CHA | 4.93 | 200304100_CHA_CLE |
| Barry Zito | OAK | 3.92 | 200304080_OAK_TEX |
| Tom Glavine | NYN | 2.63 | 200304100_NYN_MIA |
| Roy Halladay | TOR | 2.44 | 200304100_BOS_TOR |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jimmy Anderson | CIN | -4.3 | 200304090_CIN_HOU |
| Jim Parque | TBA | -3.26 | 200304080_BAL_TBA |
| Shawn Chacon | COL | -1.93 | 200304100_SLN_COL |
| Rick Helling | BAL | -1.89 | 200304090_BAL_TBA |
| Glendon Rusch | MIL | -1.87 | 200304080_MIL_PIT |
Based on accumulated WAA for this season up to 2003-04-10.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 1.7 | Mark Buehrle | 22 | CHA |
| +003+ | 1.54 | David Wells | 17 | NYA |
| +005+ | 1.38 | Kris Benson | 13.3 | PIT |
| +004+ | 1.38 | Mark Prior | 15 | CHN |
| +008+ | 1.26 | Pedro Martinez | 15 | BOS |
| XXXXX | 1.22 | Hideo Nomo | 23 | LAN |
| XXXXX | 1.13 | Kyle Lohse | 15 | MIN |
| XXXXX | 1.12 | Runelvys Hernandez | 13 | KCA |
| XXXXX | 1.09 | Tony Armas | 18 | WAS |
| XXXXX | 1.08 | Brian Lawrence | 15 | SDN |
| XXXXX | 1.03 | Roy Oswalt | 15 | HOU |
| XXXXX | 1.01 | Kevin Brown | 12.3 | LAN |
| XXXXX | 0.96 | Jeff Suppan | 13.3 | PIT |
| XXXXX | 0.96 | Brian Anderson | 14 | CLE |
| XXXXX | 0.94 | Jason Schmidt | 13.3 | SFN |
| XXXXX | 0.94 | Javier Vazquez | 12.7 | WAS |
| XXXXX | 0.89 | Barry Zito | 13 | OAK |
| XXXXX | 0.86 | Ricardo Rodriguez | 13 | CLE |
| XXXXX | 0.78 | Ryan Dempster | 15.7 | CIN |
| XXXXX | 0.74 | Jarrod Washburn | 14.7 | ANA |
| XXXXX | 0.73 | Tanyon Sturtze | 13.7 | TOR |
| XXXXX | 0.71 | Shawn Chacon | 13.7 | COL |
| XXXXX | 0.7 | Kirk Rueter | 11 | SFN |
| XXXXX | 0.7 | Russ Ortiz | 13 | ATL |
| XXXXX | 0.67 | Al Leiter | 12.7 | NYN |
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