| Starter | Tm | Tier | Game |
|---|---|---|---|
| Mark Prior | CHN | 6.59 | 200309271_PIT_CHN |
| Pedro Martinez | BOS | 6.12 | 200309260_BOS_TBA |
| Esteban Loaiza | CHA | 4.89 | 200309280_CHA_KCA |
| Roy Halladay | TOR | 3.8 | 200309270_CLE_TOR |
| Brandon Webb | ARI | 3.72 | 200309280_SLN_ARI |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Colby Lewis | TEX | -7.48 | 200309270_TEX_ANA |
| Cory Lidle | TOR | -4.77 | 200309260_CLE_TOR |
| Mike Maroth | DET | -4.37 | 200309280_MIN_DET |
| Rodrigo Lopez | BAL | -3.45 | 200309262_BAL_NYA |
| Wayne Franklin | MIL | -2.49 | 200309260_MIL_HOU |
Based on accumulated WAA for this season up to 2003-09-28.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +006+ | 9.53 | Tim Hudson | 240 | OAK |
| +007+ | 9.52 | Mark Prior | 211.3 | CHN |
| +008+ | 9.21 | Pedro Martinez | 186.7 | BOS |
| +012+ | 8.09 | Esteban Loaiza | 226.3 | CHA |
| +018+ | 7.28 | Roy Halladay | 266 | TOR |
| +019+ | 6.85 | Hideo Nomo | 218.3 | LAN |
| +021+ | 6.6 | Livan Hernandez | 233.3 | WAS |
| +025+ | 6.41 | Brandon Webb | 180.7 | ARI |
| +027+ | 6.33 | Javier Vazquez | 230.7 | WAS |
| +029+ | 6.22 | Carlos Zambrano | 214 | CHN |
| +032+ | 5.94 | Barry Zito | 231.7 | OAK |
| +034+ | 5.71 | Jamie Moyer | 215 | SEA |
| +038+ | 5.47 | Scot Shields | 148.3 | ANA |
| +050+ | 5.11 | Kip Wells | 197.3 | PIT |
| +056+ | 4.73 | Mike Mussina | 214.7 | NYA |
| +058+ | 4.69 | Johan Santana | 158.3 | MIN |
| +064+ | 4.47 | Josh Beckett | 142 | MIA |
| +067+ | 4.4 | Wilson Alvarez | 95 | LAN |
| +070+ | 4.18 | Roy Oswalt | 127.3 | HOU |
| +072+ | 4.14 | Ryan Franklin | 212 | SEA |
| +075+ | 4.07 | Dontrelle Willis | 160.7 | MIA |
| +085+ | 3.76 | Vicente Padilla | 208.7 | PHI |
| +087+ | 3.71 | Miguel Batista | 193.3 | ARI |
| +092+ | 3.57 | Mark Redman | 190.7 | MIA |
| +096+ | 3.46 | C.C. Sabathia | 197.7 | CLE |
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