| Starter | Tm | Tier | Game |
|---|---|---|---|
| Tim Hudson | OAK | 9.1 | 200309030_OAK_BAL |
| Kevin Brown | LAN | 7.01 | 200309030_HOU_LAN |
| Carlos Zambrano | CHN | 3.44 | 200309021_SLN_CHN |
| Javier Vazquez | WAS | 2.91 | 200309020_WAS_PHI |
| Miguel Batista | ARI | 2.29 | 200309030_ARI_SDN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Cory Lidle | TOR | -5.1 | 200309040_NYA_TOR |
| Shawn Estes | CHN | -3.74 | 200309040_SLN_CHN |
| Brett Tomko | SLN | -2.81 | 200309040_SLN_CHN |
| Ismael Valdez | TEX | -2.5 | 200309020_KCA_TEX |
| Rodrigo Lopez | BAL | -2.09 | 200309030_OAK_BAL |
Based on accumulated WAA for this season up to 2003-09-04.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 9.24 | Jason Schmidt | 179.3 | SFN |
| +004+ | 9.13 | Tim Hudson | 213.3 | OAK |
| +005+ | 8.87 | Esteban Loaiza | 190.7 | CHA |
| +007+ | 8.59 | Kevin Brown | 186 | LAN |
| +009+ | 8.19 | Mark Prior | 175.7 | CHN |
| +011+ | 7.11 | Hideo Nomo | 200.3 | LAN |
| +012+ | 7.04 | Livan Hernandez | 200 | WAS |
| +016+ | 6.54 | Carlos Zambrano | 188.3 | CHN |
| +017+ | 6.5 | Pedro Martinez | 153.7 | BOS |
| +020+ | 6.34 | Brandon Webb | 150.7 | ARI |
| +022+ | 6.06 | Curt Schilling | 150 | ARI |
| +026+ | 5.67 | Javier Vazquez | 203 | WAS |
| +027+ | 5.66 | Barry Zito | 200 | OAK |
| +036+ | 5.12 | Mike Mussina | 190.3 | NYA |
| +038+ | 5.04 | Johan Santana | 132.3 | MIN |
| +047+ | 4.52 | Roy Halladay | 224 | TOR |
| +049+ | 4.5 | Scot Shields | 116.3 | ANA |
| +053+ | 4.22 | Miguel Batista | 169 | ARI |
| +060+ | 4 | Sidney Ponson | 192 | TOT |
| +069+ | 3.52 | Kevin Millwood | 193.7 | PHI |
| +070+ | 3.5 | Darrell May | 180.7 | KCA |
| +072+ | 3.48 | Jamie Moyer | 178 | SEA |
| +073+ | 3.48 | Mark Redman | 160.7 | MIA |
| +080+ | 3.41 | Josh Beckett | 115 | MIA |
| +082+ | 3.38 | Kerry Wood | 182 | CHN |
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