| Starter | Tm | Tier | Game |
|---|---|---|---|
| Tim Hudson | OAK | 8.5 | 200309130_OAK_TEX |
| Jason Schmidt | SFN | 7.75 | 200309120_MIL_SFN |
| Kevin Brown | LAN | 7.17 | 200309130_SDN_LAN |
| Esteban Loaiza | CHA | 6.94 | 200309110_MIN_CHA |
| Mark Prior | CHN | 6.5 | 200309110_CHN_WAS |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jeff Weaver | NYA | -4.32 | 200309131_TBA_NYA |
| Mike Maroth | DET | -3.92 | 200309120_KCA_DET |
| Aaron Sele | ANA | -1.76 | 200309130_ANA_SEA |
| Mickey Callaway | TEX | -1.62 | 200309110_TEX_SEA |
| Kevin Jarvis | SDN | -1.26 | 200309120_SDN_LAN |
Based on accumulated WAA for this season up to 2003-09-13.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 9.6 | Jason Schmidt | 193.7 | SFN |
| +004+ | 9.3 | Kevin Brown | 199 | LAN |
| +005+ | 9.27 | Tim Hudson | 227 | OAK |
| +009+ | 8.23 | Mark Prior | 188.3 | CHN |
| +010+ | 8.2 | Esteban Loaiza | 204.7 | CHA |
| +011+ | 7.72 | Pedro Martinez | 167.7 | BOS |
| +013+ | 7.4 | Livan Hernandez | 214 | WAS |
| +016+ | 6.84 | Carlos Zambrano | 195.3 | CHN |
| +020+ | 6.68 | Brandon Webb | 164.7 | ARI |
| +021+ | 6.45 | Roy Halladay | 243 | TOR |
| +029+ | 5.68 | Mike Mussina | 204.3 | NYA |
| +034+ | 5.3 | Javier Vazquez | 216 | WAS |
| +045+ | 4.83 | Barry Zito | 212.3 | OAK |
| +051+ | 4.42 | Johan Santana | 142.7 | MIN |
| +060+ | 4.08 | Kerry Wood | 195 | CHN |
| +064+ | 4.04 | Wilson Alvarez | 79 | LAN |
| +067+ | 4.02 | Josh Beckett | 121 | MIA |
| +068+ | 4.01 | Jamie Moyer | 192 | SEA |
| +073+ | 3.78 | Scot Shields | 125.3 | ANA |
| +075+ | 3.75 | Dontrelle Willis | 143 | MIA |
| +077+ | 3.66 | Kip Wells | 177 | PIT |
| +080+ | 3.51 | Miguel Batista | 181 | ARI |
| +081+ | 3.49 | Sidney Ponson | 204 | TOT |
| +083+ | 3.42 | Kazuhisa Ishii | 135 | LAN |
| +085+ | 3.42 | Ryan Franklin | 190.3 | SEA |
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