| Starter | Tm | Tier | Game |
|---|---|---|---|
| Kevin Brown | LAN | 6.89 | 200309190_SFN_LAN |
| Tim Hudson | OAK | 6.84 | 200309190_SEA_OAK |
| Mark Prior | CHN | 5.95 | 200309210_CHN_PIT |
| Pedro Martinez | BOS | 5.23 | 200309210_BOS_CLE |
| Esteban Loaiza | CHA | 4.46 | 200309200_KCA_CHA |
| 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 2003-09-21.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 9.62 | Jason Schmidt | 200.7 | SFN |
| +004+ | 9.25 | Mark Prior | 204.7 | CHN |
| +005+ | 9.13 | Kevin Brown | 204 | LAN |
| +006+ | 9 | Tim Hudson | 233 | OAK |
| +008+ | 8.89 | Pedro Martinez | 183.7 | BOS |
| +013+ | 7.57 | Esteban Loaiza | 213 | CHA |
| +015+ | 7.48 | Brandon Webb | 172.7 | ARI |
| +017+ | 7.33 | Roy Halladay | 252 | TOR |
| +020+ | 6.94 | Hideo Nomo | 211.3 | LAN |
| +021+ | 6.75 | Carlos Zambrano | 209 | CHN |
| +023+ | 6.58 | Livan Hernandez | 225.3 | WAS |
| +029+ | 5.92 | Javier Vazquez | 223 | WAS |
| +030+ | 5.88 | Mike Mussina | 209.3 | NYA |
| +033+ | 5.64 | Barry Zito | 220.7 | OAK |
| +035+ | 5.54 | Curt Schilling | 168 | ARI |
| +046+ | 4.98 | Kerry Wood | 204 | CHN |
| +051+ | 4.73 | Wilson Alvarez | 86 | LAN |
| +054+ | 4.61 | Jamie Moyer | 200 | SEA |
| +055+ | 4.6 | Josh Beckett | 135 | MIA |
| +063+ | 4.39 | Ryan Franklin | 206 | SEA |
| +067+ | 4.33 | Kip Wells | 184 | PIT |
| +068+ | 4.22 | Johan Santana | 153.3 | MIN |
| +070+ | 4.17 | Scot Shields | 133.3 | ANA |
| +075+ | 4 | Miguel Batista | 188 | ARI |
| +077+ | 3.87 | Vicente Padilla | 201.7 | PHI |
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