| 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 |
|---|---|---|---|
| Colby Lewis | TEX | -9.08 | 200309070_TEX_MIN |
| Mike Maroth | DET | -2.34 | 200309050_DET_TOR |
| Oliver Perez | PIT | -1.73 | 200309051_PIT_ATL |
| Shane Reynolds | ATL | -1.69 | 200309052_PIT_ATL |
| Mark Hendrickson | TOR | -1.58 | 200309050_DET_TOR |
Based on accumulated WAA for this season up to 2003-09-07.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 9.14 | Tim Hudson | 213.3 | OAK |
| +004+ | 9.03 | Jason Schmidt | 186 | SFN |
| +006+ | 8.57 | Kevin Brown | 186 | LAN |
| +007+ | 8.52 | Esteban Loaiza | 197.7 | CHA |
| +009+ | 8.25 | Mark Prior | 182.7 | CHN |
| +010+ | 7.63 | Livan Hernandez | 208 | WAS |
| +012+ | 7.09 | Hideo Nomo | 200.3 | LAN |
| +014+ | 6.89 | Pedro Martinez | 159.7 | BOS |
| +015+ | 6.81 | Brandon Webb | 157.7 | ARI |
| +024+ | 5.8 | Curt Schilling | 156 | ARI |
| +028+ | 5.63 | Javier Vazquez | 209 | WAS |
| +032+ | 5.5 | Roy Halladay | 234 | TOR |
| +038+ | 5.1 | Mike Mussina | 190.3 | NYA |
| +044+ | 4.74 | Barry Zito | 205.3 | OAK |
| +053+ | 4.18 | Miguel Batista | 169 | ARI |
| +054+ | 4.16 | Scot Shields | 121.3 | ANA |
| +059+ | 3.96 | Johan Santana | 136.3 | MIN |
| +066+ | 3.73 | Jamie Moyer | 185 | SEA |
| +067+ | 3.7 | Sidney Ponson | 198 | TOT |
| +070+ | 3.65 | Kerry Wood | 189 | CHN |
| +074+ | 3.56 | Dontrelle Willis | 137 | MIA |
| +078+ | 3.46 | Kevin Millwood | 193.7 | PHI |
| +081+ | 3.4 | Josh Beckett | 115 | MIA |
| +086+ | 3.25 | Vicente Padilla | 181.3 | PHI |
| +087+ | 3.25 | Mark Redman | 166.7 | MIA |
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