| Starter | Tm | Tier | Game |
|---|---|---|---|
| Matt Morris | SLN | 7.81 | 200305290_HOU_SLN |
| Barry Zito | OAK | 6.11 | 200305270_OAK_MIN |
| Mike Mussina | NYA | 3.99 | 200305280_BOS_NYA |
| Randy Wolf | PHI | 2.89 | 200305270_NYN_PHI |
| Jarrod Washburn | ANA | 2.48 | 200305290_ANA_TBA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Glendon Rusch | MIL | -5.12 | 200305280_MIL_SDN |
| Colby Lewis | TEX | -4.69 | 200305270_TEX_TBA |
| Jimmy Haynes | CIN | -3.15 | 200305270_CIN_ATL |
| Pedro Astacio | NYN | -2.26 | 200305280_NYN_PHI |
| Jason Simontacchi | SLN | -2.12 | 200305280_HOU_SLN |
Based on accumulated WAA for this season up to 2003-05-29.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 4.36 | Esteban Loaiza | 73.3 | CHA |
| +004+ | 4.09 | Matt Morris | 91 | SLN |
| +007+ | 4.03 | Mark Mulder | 84 | OAK |
| +009+ | 3.58 | Kevin Brown | 72.3 | LAN |
| +010+ | 3.45 | Woody Williams | 70 | SLN |
| +013+ | 3.27 | Tim Hudson | 80.7 | OAK |
| +014+ | 3.24 | Mike Mussina | 79 | NYA |
| +015+ | 3.1 | Hideo Nomo | 80 | LAN |
| +018+ | 3 | Barry Zito | 76 | OAK |
| +019+ | 2.99 | Jason Schmidt | 71 | SFN |
| +023+ | 2.76 | Mark Prior | 76.7 | CHN |
| +025+ | 2.71 | Kevin Millwood | 76.7 | PHI |
| +028+ | 2.64 | Kerry Wood | 71.3 | CHN |
| +033+ | 2.41 | Brett Myers | 65.7 | PHI |
| +039+ | 2.25 | Jarrod Washburn | 78.3 | ANA |
| +049+ | 2.06 | Carlos Zambrano | 65.7 | CHN |
| +050+ | 2.03 | Kyle Lohse | 67.7 | MIN |
| +052+ | 2.02 | Nate Cornejo | 60 | DET |
| +054+ | 1.91 | Gil Meche | 63.7 | SEA |
| +057+ | 1.88 | Javier Vazquez | 69.3 | WAS |
| +067+ | 1.81 | Randy Wolf | 70 | PHI |
| +068+ | 1.8 | Jae Weong Seo | 59.3 | NYN |
| +069+ | 1.79 | Shawn Chacon | 69.7 | COL |
| +070+ | 1.77 | Kazuhisa Ishii | 56.7 | LAN |
| +084+ | 1.58 | Tommy Phelps | 27.7 | MIA |
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