| Starter | Tm | Tier | Game |
|---|---|---|---|
| Joe Mays | MIN | -3.93 | 200308230_KCA_MIN |
| Cory Lidle | TOR | -3.89 | 200308250_OAK_TOR |
| Brett Tomko | SLN | -3.65 | 200308240_PHI_SLN |
| Ismael Valdez | TEX | -2.21 | 200308230_TEX_CHA |
| Shawn Estes | CHN | -2 | 200308230_CHN_ARI |
Based on accumulated WAA for this season up to 2003-08-25.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 9.61 | Tim Hudson | 202.3 | OAK |
| +004+ | 8.86 | Kevin Brown | 172 | LAN |
| +007+ | 7.83 | Jason Schmidt | 163.3 | SFN |
| +008+ | 7.58 | Esteban Loaiza | 175.7 | CHA |
| +009+ | 7.58 | Hideo Nomo | 190.3 | LAN |
| +011+ | 7.19 | Pedro Martinez | 149.7 | BOS |
| +012+ | 7.03 | Livan Hernandez | 194 | WAS |
| +013+ | 6.87 | Mark Prior | 159.7 | CHN |
| +018+ | 6.29 | Brandon Webb | 143.7 | ARI |
| +021+ | 5.85 | Carlos Zambrano | 174.3 | CHN |
| +024+ | 5.61 | Curt Schilling | 135 | ARI |
| +028+ | 5.33 | Miguel Batista | 159 | ARI |
| +031+ | 5.05 | Javier Vazquez | 187 | WAS |
| +035+ | 4.95 | Mike Mussina | 178.3 | NYA |
| +043+ | 4.65 | Scot Shields | 111.3 | ANA |
| +044+ | 4.56 | Barry Zito | 184 | OAK |
| +046+ | 4.45 | Johan Santana | 126.3 | MIN |
| +048+ | 4.34 | Roy Halladay | 207.7 | TOR |
| +067+ | 3.62 | Mark Redman | 147.7 | MIA |
| +069+ | 3.57 | Woody Williams | 179 | SLN |
| +071+ | 3.48 | C.C. Sabathia | 165 | CLE |
| +073+ | 3.42 | Russ Ortiz | 179.3 | ATL |
| +078+ | 3.08 | Roger Clemens | 170.3 | NYA |
| +081+ | 3 | Joel Pineiro | 170.7 | SEA |
| +084+ | 2.92 | Dontrelle Willis | 118.3 | MIA |
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