| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jason Schmidt | SFN | 8.13 | 200309060_ARI_SFN |
| Esteban Loaiza | CHA | 7.44 | 200309060_CLE_CHA |
| Mark Prior | CHN | 6.27 | 200309060_CHN_MIL |
| Livan Hernandez | WAS | 4.67 | 200309050_MIA_WAS |
| Pedro Martinez | BOS | 3.92 | 200309050_BOS_NYA |
| 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 |
| Oliver Perez | PIT | -1.73 | 200309051_PIT_ATL |
Based on accumulated WAA for this season up to 2003-09-06.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 9.15 | Tim Hudson | 213.3 | OAK |
| +004+ | 9.06 | Jason Schmidt | 186 | SFN |
| +006+ | 8.6 | Kevin Brown | 186 | LAN |
| +007+ | 8.55 | Esteban Loaiza | 197.7 | CHA |
| +008+ | 8.28 | Mark Prior | 182.7 | CHN |
| +010+ | 7.66 | Livan Hernandez | 208 | WAS |
| +012+ | 7.11 | Hideo Nomo | 200.3 | LAN |
| +013+ | 6.9 | Pedro Martinez | 159.7 | BOS |
| +014+ | 6.83 | Brandon Webb | 157.7 | ARI |
| +024+ | 5.82 | Curt Schilling | 156 | ARI |
| +027+ | 5.68 | Javier Vazquez | 203 | WAS |
| +026+ | 5.68 | Barry Zito | 200 | OAK |
| +032+ | 5.53 | Roy Halladay | 234 | TOR |
| +039+ | 5.12 | Mike Mussina | 190.3 | NYA |
| +053+ | 4.2 | Miguel Batista | 169 | ARI |
| +054+ | 4.18 | Scot Shields | 121.3 | ANA |
| +059+ | 3.99 | Johan Santana | 136.3 | MIN |
| +060+ | 3.95 | Sidney Ponson | 192 | TOT |
| +068+ | 3.74 | Jamie Moyer | 185 | SEA |
| +075+ | 3.52 | Kevin Millwood | 193.7 | PHI |
| +078+ | 3.42 | Josh Beckett | 115 | MIA |
| +080+ | 3.38 | Kerry Wood | 182 | CHN |
| +082+ | 3.3 | Vicente Padilla | 181.3 | PHI |
| +084+ | 3.27 | Mark Redman | 166.7 | MIA |
| +088+ | 3.17 | Darrell May | 187.3 | KCA |
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