| Starter | Tm | Tier | Game |
|---|---|---|---|
| Pedro Martinez | BOS | 5.06 | 200305030_MIN_BOS |
| Tim Hudson | OAK | 4.08 | 200305030_OAK_NYA |
| Curt Schilling | ARI | 3.56 | 200305030_ATL_ARI |
| Mike Mussina | NYA | 3.47 | 200305010_SEA_NYA |
| Tom Glavine | NYN | 3.42 | 200305020_NYN_MIL |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Glendon Rusch | MIL | -2.97 | 200305020_NYN_MIL |
| Rick Helling | BAL | -2.42 | 200305020_KCA_BAL |
| Darren Oliver | COL | -2.07 | 200305030_COL_CHN |
| Steve Parris | TBA | -1.58 | 200305010_TBA_MIN |
| Shawn Estes | CHN | -1.57 | 200305020_COL_CHN |
Based on accumulated WAA for this season up to 2003-05-03.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 2.88 | Runelvys Hernandez | 46.7 | KCA |
| +003+ | 2.83 | Mike Mussina | 45 | NYA |
| +004+ | 2.7 | Mark Prior | 43 | CHN |
| +008+ | 2.31 | Woody Williams | 33 | SLN |
| +010+ | 2.29 | Zach Day | 41.7 | WAS |
| +011+ | 2.1 | Scot Shields | 29 | ANA |
| +012+ | 2.04 | Jason Schmidt | 35.7 | SFN |
| +013+ | 2.03 | Jeff Suppan | 39.3 | PIT |
| +014+ | 2.02 | Brett Myers | 38.7 | PHI |
| +018+ | 1.95 | Esteban Loaiza | 39.7 | CHA |
| +020+ | 1.93 | Shawn Chacon | 39.7 | COL |
| +022+ | 1.88 | Pedro Martinez | 49.3 | BOS |
| +029+ | 1.72 | Damian Moss | 36.7 | SFN |
| +030+ | 1.67 | Javier Vazquez | 39.7 | WAS |
| +031+ | 1.67 | David Wells | 46 | NYA |
| +036+ | 1.61 | Barry Zito | 41 | OAK |
| +037+ | 1.55 | Matt Morris | 42.7 | SLN |
| +042+ | 1.49 | Roger Clemens | 40 | NYA |
| +046+ | 1.47 | Jason Johnson | 29.7 | BAL |
| +048+ | 1.45 | Kerry Wood | 39 | CHN |
| +052+ | 1.42 | Vicente Padilla | 41 | PHI |
| +053+ | 1.4 | Mark Redman | 39.7 | MIA |
| +058+ | 1.3 | Brandon Webb | 15 | ARI |
| +059+ | 1.3 | Kip Wells | 38.3 | PIT |
| +060+ | 1.29 | Gil Meche | 32 | SEA |
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