| Starter | Tm | Tier | Game |
|---|---|---|---|
| Tim Hudson | OAK | 4.97 | 200306210_SFN_OAK |
| Pedro Martinez | BOS | 4.03 | 200306210_BOS_PHI |
| Jamie Moyer | SEA | 3.96 | 200306190_ANA_SEA |
| Hideo Nomo | LAN | 3.76 | 200306200_ANA_LAN |
| Woody Williams | SLN | 3.67 | 200306210_KCA_SLN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Brett Tomko | SLN | -3.23 | 200306190_SLN_MIL |
| Jimmy Anderson | CIN | -2.65 | 200306210_CIN_ARI |
| Rick Helling | BAL | -2.31 | 200306190_TOR_BAL |
| Rob Bell | TBA | -1.67 | 200306200_TBA_MIA |
| Brad Radke | MIN | -1.62 | 200306200_MIN_MIL |
Based on accumulated WAA for this season up to 2003-06-21.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +004+ | 5.61 | Kevin Brown | 100.3 | LAN |
| +005+ | 5.54 | Esteban Loaiza | 100.3 | CHA |
| +007+ | 4.94 | Hideo Nomo | 116.3 | LAN |
| +009+ | 4.64 | Jason Schmidt | 100 | SFN |
| +010+ | 4.49 | Woody Williams | 106 | SLN |
| +013+ | 4.13 | Mark Prior | 102.3 | CHN |
| +015+ | 3.82 | Jae Weong Seo | 88 | NYN |
| +017+ | 3.6 | Barry Zito | 101.7 | OAK |
| +018+ | 3.48 | Miguel Batista | 83 | ARI |
| +020+ | 3.35 | Jamie Moyer | 95.3 | SEA |
| +023+ | 3.26 | Gil Meche | 90.3 | SEA |
| +026+ | 3.23 | Pedro Martinez | 75.3 | BOS |
| +027+ | 3.19 | Mike Mussina | 99.3 | NYA |
| +032+ | 3.08 | Mark Redman | 72.3 | MIA |
| +031+ | 3.08 | Kazuhisa Ishii | 81.7 | LAN |
| +033+ | 3.06 | Kerry Wood | 100 | CHN |
| +034+ | 3.03 | Tim Hudson | 112.3 | OAK |
| +038+ | 2.96 | Mark Mulder | 107.7 | OAK |
| +042+ | 2.9 | Brandon Webb | 61 | ARI |
| +048+ | 2.72 | Dontrelle Willis | 56.7 | MIA |
| +049+ | 2.71 | Randy Wolf | 96.7 | PHI |
| +053+ | 2.63 | Carlos Zambrano | 89.7 | CHN |
| +057+ | 2.48 | Ryan Franklin | 93 | SEA |
| +066+ | 2.28 | David Wells | 100.7 | NYA |
| +082+ | 2.15 | Roger Clemens | 97.3 | NYA |
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