| Starter | Tm | Tier | Game |
|---|---|---|---|
| Barry Zito | OAK | 5.27 | 200306280_OAK_SFN |
| Kevin Brown | LAN | 4.61 | 200306270_LAN_ANA |
| Kerry Wood | CHN | 3.5 | 200306290_CHN_CHA |
| Esteban Loaiza | CHA | 3.07 | 200306290_CHN_CHA |
| Roy Halladay | TOR | 2.45 | 200306270_WAS_TOR |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ryan Dempster | CIN | -4.9 | 200306280_CIN_CLE |
| Chris George | KCA | -2.88 | 200306290_SLN_KCA |
| Adam Bernero | DET | -2.65 | 200306270_ARI_DET |
| Rick Helling | BAL | -2.6 | 200306290_PHI_BAL |
| Brett Tomko | SLN | -2.53 | 200306290_SLN_KCA |
Based on accumulated WAA for this season up to 2003-06-29.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 6.28 | Esteban Loaiza | 115.3 | CHA |
| +004+ | 5.73 | Hideo Nomo | 123.3 | LAN |
| +005+ | 5.65 | Kevin Brown | 112.3 | LAN |
| +008+ | 5.56 | Jason Schmidt | 109 | SFN |
| +013+ | 4.56 | Mark Prior | 110.3 | CHN |
| +015+ | 4.13 | Brandon Webb | 77 | ARI |
| +017+ | 3.99 | Kerry Wood | 115 | CHN |
| +019+ | 3.82 | Tim Hudson | 119.3 | OAK |
| +023+ | 3.6 | Woody Williams | 112 | SLN |
| +026+ | 3.54 | Mike Mussina | 106.7 | NYA |
| +030+ | 3.44 | Barry Zito | 113.7 | OAK |
| +031+ | 3.43 | Mark Mulder | 121.7 | OAK |
| +033+ | 3.36 | Miguel Batista | 96 | ARI |
| +035+ | 3.27 | Dontrelle Willis | 63.7 | MIA |
| +036+ | 3.21 | Kazuhisa Ishii | 92.7 | LAN |
| +040+ | 3.13 | Jae Weong Seo | 93.3 | NYN |
| +042+ | 3.1 | Pedro Martinez | 82 | BOS |
| +043+ | 3.08 | Jamie Moyer | 100.3 | SEA |
| +044+ | 3.06 | Claudio Vargas | 75.7 | WAS |
| +045+ | 3.04 | Carlos Zambrano | 103.7 | CHN |
| +046+ | 3.03 | Randy Wolf | 102.7 | PHI |
| +052+ | 2.83 | Russ Ortiz | 115 | ATL |
| +057+ | 2.7 | Mark Redman | 78.3 | MIA |
| +059+ | 2.66 | Gil Meche | 96.3 | SEA |
| +061+ | 2.65 | Roger Clemens | 112.3 | NYA |
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