| Starter | Tm | Tier | Game |
|---|---|---|---|
| Hideo Nomo | LAN | 5.33 | 200308070_CIN_LAN |
| Mark Mulder | OAK | 4.37 | 200308080_OAK_CHA |
| Brandon Webb | ARI | 3.17 | 200308080_NYN_ARI |
| Scot Shields | ANA | 2.47 | 200308092_ANA_CLE |
| Mark Redman | MIA | 2.06 | 200308090_MIA_MIL |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Brett Tomko | SLN | -3.28 | 200308070_MIA_SLN |
| Shawn Estes | CHN | -2.3 | 200308080_CHN_LAN |
| Rick Helling | BAL | -2.08 | 200308081_BAL_BOS |
| Shane Reynolds | ATL | -1.87 | 200308090_ATL_SLN |
| Freddy Garcia | SEA | -1.85 | 200308070_SEA_CLE |
Based on accumulated WAA for this season up to 2003-08-09.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +004+ | 7.82 | Esteban Loaiza | 156.7 | CHA |
| +005+ | 7.57 | Tim Hudson | 181 | OAK |
| +007+ | 7.52 | Kevin Brown | 144 | LAN |
| +008+ | 7.33 | Jason Schmidt | 151 | SFN |
| +010+ | 6.74 | Hideo Nomo | 171.3 | LAN |
| +012+ | 6.14 | Mark Mulder | 177.3 | OAK |
| +013+ | 6.14 | Pedro Martinez | 131.7 | BOS |
| +019+ | 5.73 | Brandon Webb | 128.7 | ARI |
| +022+ | 5.06 | Mark Redman | 137.3 | MIA |
| +023+ | 5 | Barry Zito | 166.3 | OAK |
| +024+ | 4.86 | Livan Hernandez | 169 | WAS |
| +026+ | 4.78 | Scot Shields | 92.7 | ANA |
| +027+ | 4.77 | Miguel Batista | 142 | ARI |
| +031+ | 4.67 | Mark Prior | 134.7 | CHN |
| +033+ | 4.6 | Roy Halladay | 190.7 | TOR |
| +036+ | 4.51 | Dontrelle Willis | 105.3 | MIA |
| +046+ | 4.03 | Curt Schilling | 112 | ARI |
| +049+ | 3.85 | Carlos Zambrano | 149.3 | CHN |
| +051+ | 3.75 | Joel Pineiro | 154.3 | SEA |
| +058+ | 3.6 | Mike Mussina | 153 | NYA |
| +060+ | 3.49 | Jamie Moyer | 145.7 | SEA |
| +063+ | 3.35 | Russ Ortiz | 158.7 | ATL |
| +064+ | 3.31 | Kerry Wood | 154.3 | CHN |
| +065+ | 3.25 | Woody Williams | 160.3 | SLN |
| +069+ | 3.19 | Javier Vazquez | 163 | WAS |
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