| Starter | Tm | Tier | Game |
|---|---|---|---|
| Barry Zito | OAK | 4.73 | 200306180_TEX_OAK |
| Jamie Moyer | SEA | 3.96 | 200306190_ANA_SEA |
| Hideo Nomo | LAN | 3.76 | 200306200_ANA_LAN |
| Jason Schmidt | SFN | 3.23 | 200306190_SFN_LAN |
| Matt Morris | SLN | 3.17 | 200306200_KCA_SLN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Glendon Rusch | MIL | -7.85 | 200306180_SLN_MIL |
| Brett Tomko | SLN | -3.23 | 200306190_SLN_MIL |
| Chris George | KCA | -2.8 | 200306180_MIN_KCA |
| Rick Helling | BAL | -2.31 | 200306190_TOR_BAL |
| Jimmy Haynes | CIN | -2.04 | 200306180_CHN_CIN |
Based on accumulated WAA for this season up to 2003-06-20.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +004+ | 5.6 | Kevin Brown | 100.3 | LAN |
| +005+ | 5.53 | Esteban Loaiza | 100.3 | CHA |
| +006+ | 4.92 | Hideo Nomo | 116.3 | LAN |
| +008+ | 4.63 | Jason Schmidt | 100 | SFN |
| +012+ | 4.12 | Mark Prior | 102.3 | CHN |
| +015+ | 3.81 | Jae Weong Seo | 88 | NYN |
| +016+ | 3.59 | Barry Zito | 101.7 | OAK |
| +017+ | 3.47 | Miguel Batista | 83 | ARI |
| +021+ | 3.34 | Jamie Moyer | 95.3 | SEA |
| +022+ | 3.34 | Tim Hudson | 105.3 | OAK |
| +025+ | 3.25 | Gil Meche | 90.3 | SEA |
| +027+ | 3.18 | Mike Mussina | 99.3 | NYA |
| +030+ | 3.07 | Kazuhisa Ishii | 81.7 | LAN |
| +031+ | 3.04 | Kerry Wood | 100 | CHN |
| +034+ | 3.03 | Mark Redman | 72.3 | MIA |
| +037+ | 2.95 | Mark Mulder | 107.7 | OAK |
| +038+ | 2.9 | Brandon Webb | 61 | ARI |
| +045+ | 2.75 | Pedro Martinez | 68.3 | BOS |
| +050+ | 2.62 | Carlos Zambrano | 89.7 | CHN |
| +053+ | 2.57 | Kyle Lohse | 94.7 | MIN |
| +058+ | 2.48 | Randy Wolf | 90 | PHI |
| +059+ | 2.47 | Ryan Franklin | 93 | SEA |
| +068+ | 2.26 | David Wells | 100.7 | NYA |
| +078+ | 2.16 | Dontrelle Willis | 51.7 | MIA |
| +079+ | 2.13 | Roger Clemens | 97.3 | NYA |
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