| Starter | Tm | Tier | Game |
|---|---|---|---|
| Mark Prior | CHN | 5.95 | 200309160_NYN_CHN |
| Esteban Loaiza | CHA | 5.88 | 200309160_CHA_MIN |
| Pedro Martinez | BOS | 5.16 | 200309160_TBA_BOS |
| Livan Hernandez | WAS | 4.57 | 200309150_ATL_WAS |
| Hideo Nomo | LAN | 4.47 | 200309140_SDN_LAN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Colby Lewis | TEX | -8.56 | 200309150_SEA_TEX |
| Cory Lidle | TOR | -5.59 | 200309140_BAL_TOR |
| Shane Reynolds | ATL | -3.47 | 200309140_ATL_MIA |
| Wayne Franklin | MIL | -2.86 | 200309140_MIL_SFN |
| Brett Tomko | SLN | -2.74 | 200309150_MIL_SLN |
Based on accumulated WAA for this season up to 2003-09-16.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 9.58 | Jason Schmidt | 193.7 | SFN |
| +004+ | 9.31 | Kevin Brown | 199 | LAN |
| +005+ | 9.3 | Tim Hudson | 227 | OAK |
| +006+ | 8.71 | Mark Prior | 197 | CHN |
| +009+ | 8.22 | Pedro Martinez | 176.7 | BOS |
| +012+ | 7.62 | Esteban Loaiza | 207 | CHA |
| +013+ | 7.56 | Carlos Zambrano | 204.3 | CHN |
| +015+ | 7.29 | Hideo Nomo | 206 | LAN |
| +021+ | 6.48 | Livan Hernandez | 217.3 | WAS |
| +022+ | 6.47 | Roy Halladay | 243 | TOR |
| +024+ | 6.31 | Curt Schilling | 163 | ARI |
| +030+ | 5.7 | Mike Mussina | 204.3 | NYA |
| +037+ | 5.29 | Javier Vazquez | 216 | WAS |
| +044+ | 4.85 | Barry Zito | 212.3 | OAK |
| +058+ | 4.31 | Johan Santana | 147.7 | MIN |
| +063+ | 4.12 | Josh Beckett | 128 | MIA |
| +065+ | 4.09 | Kerry Wood | 195 | CHN |
| +067+ | 4.05 | Jamie Moyer | 192 | SEA |
| +068+ | 4.04 | Wilson Alvarez | 79 | LAN |
| +072+ | 3.91 | Vicente Padilla | 195.3 | PHI |
| +075+ | 3.82 | Ryan Franklin | 198 | SEA |
| +078+ | 3.77 | Dontrelle Willis | 143 | MIA |
| +080+ | 3.67 | Kip Wells | 177 | PIT |
| +083+ | 3.53 | Darrell May | 195 | KCA |
| +084+ | 3.53 | Miguel Batista | 181 | ARI |
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