| Starter | Tm | Tier | Game |
|---|---|---|---|
| Tim Hudson | OAK | 9.1 | 200309030_OAK_BAL |
| Kevin Brown | LAN | 7.01 | 200309030_HOU_LAN |
| Livan Hernandez | WAS | 4.67 | 200309050_MIA_WAS |
| Pedro Martinez | BOS | 3.92 | 200309050_BOS_NYA |
| Brandon Webb | ARI | 3.71 | 200309050_ARI_SFN |
| 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 |
| Mike Maroth | DET | -2.34 | 200309050_DET_TOR |
| Rodrigo Lopez | BAL | -2.09 | 200309030_OAK_BAL |
Based on accumulated WAA for this season up to 2003-09-05.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 9.23 | Jason Schmidt | 179.3 | SFN |
| +004+ | 9.12 | Tim Hudson | 213.3 | OAK |
| +005+ | 8.86 | Esteban Loaiza | 190.7 | CHA |
| +007+ | 8.58 | Kevin Brown | 186 | LAN |
| +010+ | 7.65 | Livan Hernandez | 208 | WAS |
| +012+ | 7.1 | Hideo Nomo | 200.3 | LAN |
| +013+ | 6.88 | Pedro Martinez | 159.7 | BOS |
| +014+ | 6.84 | Brandon Webb | 157.7 | ARI |
| +020+ | 6.53 | Carlos Zambrano | 188.3 | CHN |
| +023+ | 6.06 | Curt Schilling | 150 | ARI |
| +027+ | 5.66 | Javier Vazquez | 203 | WAS |
| +028+ | 5.65 | Barry Zito | 200 | OAK |
| +037+ | 5.11 | Mike Mussina | 190.3 | NYA |
| +049+ | 4.5 | Scot Shields | 116.3 | ANA |
| +047+ | 4.5 | Roy Halladay | 224 | TOR |
| +052+ | 4.21 | Miguel Batista | 169 | ARI |
| +060+ | 3.97 | Johan Santana | 136.3 | MIN |
| +062+ | 3.94 | Sidney Ponson | 192 | TOT |
| +071+ | 3.51 | Kevin Millwood | 193.7 | PHI |
| +072+ | 3.49 | Darrell May | 180.7 | KCA |
| +078+ | 3.41 | Josh Beckett | 115 | MIA |
| +079+ | 3.41 | Jamie Moyer | 178 | SEA |
| +081+ | 3.37 | Kerry Wood | 182 | CHN |
| +084+ | 3.29 | Vicente Padilla | 181.3 | PHI |
| +085+ | 3.26 | Mark Redman | 166.7 | MIA |
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