| Starter | Tm | Tier | Game |
|---|---|---|---|
| Matt Morris | SLN | 7.81 | 200305290_HOU_SLN |
| Tim Hudson | OAK | 7.08 | 200305300_OAK_KCA |
| Curt Schilling | ARI | 4.1 | 200305300_ARI_SDN |
| Mike Mussina | NYA | 3.99 | 200305280_BOS_NYA |
| Jarrod Washburn | ANA | 2.48 | 200305290_ANA_TBA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Glendon Rusch | MIL | -5.12 | 200305280_MIL_SDN |
| Pedro Astacio | NYN | -2.26 | 200305280_NYN_PHI |
| Jason Simontacchi | SLN | -2.12 | 200305280_HOU_SLN |
| Dan Wright | CHA | -1.55 | 200305300_CHA_CLE |
| Paul Wilson | CIN | -1.29 | 200305300_CIN_MIA |
Based on accumulated WAA for this season up to 2003-05-30.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 4.38 | Esteban Loaiza | 73.3 | CHA |
| +004+ | 4.11 | Matt Morris | 91 | SLN |
| +005+ | 4.07 | Mark Mulder | 84 | OAK |
| +010+ | 3.59 | Kevin Brown | 72.3 | LAN |
| +011+ | 3.47 | Woody Williams | 70 | SLN |
| +013+ | 3.25 | Mike Mussina | 79 | NYA |
| +015+ | 3.03 | Barry Zito | 76 | OAK |
| +017+ | 3 | Jason Schmidt | 71 | SFN |
| +018+ | 2.99 | Hideo Nomo | 87 | LAN |
| +021+ | 2.78 | Mark Prior | 76.7 | CHN |
| +022+ | 2.72 | Kevin Millwood | 76.7 | PHI |
| +025+ | 2.65 | Kerry Wood | 71.3 | CHN |
| +030+ | 2.51 | C.C. Sabathia | 71 | CLE |
| +032+ | 2.42 | Tim Hudson | 84.3 | OAK |
| +033+ | 2.42 | Brett Myers | 65.7 | PHI |
| +038+ | 2.28 | Jarrod Washburn | 78.3 | ANA |
| +040+ | 2.22 | Kyle Lohse | 75.7 | MIN |
| +047+ | 2.14 | Curt Schilling | 71 | ARI |
| +051+ | 2.08 | Carlos Zambrano | 65.7 | CHN |
| +053+ | 2.02 | Nate Cornejo | 60 | DET |
| +056+ | 1.92 | Gil Meche | 63.7 | SEA |
| +063+ | 1.82 | Shawn Chacon | 69.7 | COL |
| +065+ | 1.82 | Randy Wolf | 70 | PHI |
| +067+ | 1.81 | Jae Weong Seo | 59.3 | NYN |
| +068+ | 1.78 | Kazuhisa Ishii | 56.7 | LAN |
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