| Starter | Tm | Tier | Game |
|---|---|---|---|
| Mark Mulder | OAK | 4.01 | 200308030_NYA_OAK |
| Scot Shields | ANA | 3.14 | 200308030_TOR_ANA |
| Miguel Batista | ARI | 3.06 | 200308020_ARI_CHN |
| Randy Wolf | PHI | 2.09 | 200308021_SDN_PHI |
| Mark Redman | MIA | 2.04 | 200308030_HOU_MIA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Brett Tomko | SLN | -3.59 | 200308020_SLN_NYN |
| Shawn Estes | CHN | -2.98 | 200308020_ARI_CHN |
| Cory Lidle | TOR | -2.91 | 200308040_TOR_TBA |
| Jimmy Haynes | CIN | -1.9 | 200308030_SFN_CIN |
| Rick Helling | BAL | -1.88 | 200308030_BOS_BAL |
Based on accumulated WAA for this season up to 2003-08-04.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 7.74 | Esteban Loaiza | 150.7 | CHA |
| +004+ | 7.47 | Tim Hudson | 173 | OAK |
| +007+ | 7.36 | Kevin Brown | 137.3 | LAN |
| +009+ | 6.84 | Hideo Nomo | 165 | LAN |
| +010+ | 6.74 | Jason Schmidt | 144 | SFN |
| +012+ | 6.04 | Mark Mulder | 169.3 | OAK |
| +016+ | 5.6 | Brandon Webb | 122.3 | ARI |
| +017+ | 5.52 | Pedro Martinez | 122.7 | BOS |
| +020+ | 5.11 | Miguel Batista | 136 | ARI |
| +021+ | 5.02 | Joel Pineiro | 151.7 | SEA |
| +027+ | 4.75 | Scot Shields | 85.7 | ANA |
| +029+ | 4.54 | Mark Redman | 129.3 | MIA |
| +032+ | 4.45 | Roy Halladay | 181.7 | TOR |
| +035+ | 4.38 | Dontrelle Willis | 97.3 | MIA |
| +037+ | 4.27 | Barry Zito | 158.3 | OAK |
| +038+ | 4.22 | Livan Hernandez | 160 | WAS |
| +046+ | 3.83 | Curt Schilling | 105 | ARI |
| +047+ | 3.8 | Mike Mussina | 145.7 | NYA |
| +054+ | 3.52 | Carlos Zambrano | 143.3 | CHN |
| +055+ | 3.49 | Randy Wolf | 146.7 | PHI |
| +060+ | 3.28 | Woody Williams | 153.3 | SLN |
| +061+ | 3.27 | Javier Vazquez | 157 | WAS |
| +062+ | 3.24 | Ryan Franklin | 146.7 | SEA |
| +069+ | 3.06 | Kerry Wood | 147 | CHN |
| +070+ | 3.04 | Jamie Moyer | 138.7 | SEA |
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