| Starter | Tm | Tier | Game |
|---|---|---|---|
| Mark Prior | CHN | 5.95 | 200309210_CHN_PIT |
| Pedro Martinez | BOS | 5.23 | 200309210_BOS_CLE |
| Esteban Loaiza | CHA | 4.46 | 200309200_KCA_CHA |
| Roy Halladay | TOR | 4.27 | 200309220_TBA_TOR |
| Hideo Nomo | LAN | 4 | 200309200_SFN_LAN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Colby Lewis | TEX | -8.81 | 200309200_ANA_TEX |
| Cory Lidle | TOR | -5.46 | 200309200_TOR_BAL |
| Rodrigo Lopez | BAL | -3.17 | 200309210_TOR_BAL |
| Wayne Franklin | MIL | -2.47 | 200309200_ARI_MIL |
| Brett Tomko | SLN | -2.36 | 200309200_HOU_SLN |
Based on accumulated WAA for this season up to 2003-09-22.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +004+ | 9.26 | Mark Prior | 204.7 | CHN |
| +005+ | 9.16 | Kevin Brown | 204 | LAN |
| +006+ | 9.01 | Tim Hudson | 233 | OAK |
| +007+ | 8.9 | Pedro Martinez | 183.7 | BOS |
| +013+ | 7.57 | Esteban Loaiza | 213 | CHA |
| +015+ | 7.49 | Brandon Webb | 172.7 | ARI |
| +018+ | 7.23 | Roy Halladay | 257 | TOR |
| +019+ | 6.96 | Hideo Nomo | 211.3 | LAN |
| +022+ | 6.76 | Carlos Zambrano | 209 | CHN |
| +023+ | 6.59 | Livan Hernandez | 225.3 | WAS |
| +026+ | 6.26 | Barry Zito | 226.7 | OAK |
| +030+ | 5.93 | Javier Vazquez | 223 | WAS |
| +031+ | 5.88 | Mike Mussina | 209.3 | NYA |
| +035+ | 5.55 | Curt Schilling | 168 | ARI |
| +036+ | 5.54 | Jamie Moyer | 209 | SEA |
| +049+ | 4.99 | Kerry Wood | 204 | CHN |
| +051+ | 4.74 | Wilson Alvarez | 86 | LAN |
| +056+ | 4.6 | Josh Beckett | 135 | MIA |
| +061+ | 4.4 | Ryan Franklin | 206 | SEA |
| +065+ | 4.34 | Kip Wells | 184 | PIT |
| +069+ | 4.22 | Johan Santana | 153.3 | MIN |
| +070+ | 4.17 | Scot Shields | 133.3 | ANA |
| +073+ | 4.01 | Miguel Batista | 188 | ARI |
| +077+ | 3.88 | Vicente Padilla | 201.7 | PHI |
| +088+ | 3.59 | Roy Oswalt | 119.3 | HOU |
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