| Starter | Tm | Tier | Game |
|---|---|---|---|
| Barry Zito | OAK | 4.79 | 200305040_OAK_NYA |
| Matt Morris | SLN | 4.53 | 200305040_WAS_SLN |
| Roy Oswalt | HOU | 3.67 | 200305040_MIA_HOU |
| Mark Buehrle | CHA | 3.26 | 200305060_CHA_OAK |
| Javier Vazquez | WAS | 2.72 | 200305040_WAS_SLN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ryan Dempster | CIN | -4.91 | 200305040_CIN_SFN |
| Pedro Astacio | NYN | -2.78 | 200305060_LAN_NYN |
| Mike Hampton | ATL | -2.33 | 200305060_COL_ATL |
| Carl Pavano | MIA | -1.69 | 200305060_SFN_MIA |
| Steve Parris | TBA | -1.51 | 200305060_MIN_TBA |
Based on accumulated WAA for this season up to 2003-05-06.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 3.05 | Mark Prior | 49 | CHN |
| +005+ | 2.85 | Runelvys Hernandez | 46.7 | KCA |
| +006+ | 2.82 | Mike Mussina | 45 | NYA |
| +008+ | 2.4 | Barry Zito | 49 | OAK |
| +011+ | 2.29 | Zach Day | 41.7 | WAS |
| +012+ | 2.25 | Woody Williams | 41 | SLN |
| +015+ | 2.2 | Jason Schmidt | 41.7 | SFN |
| +017+ | 2.1 | Scot Shields | 29 | ANA |
| +018+ | 2.07 | Mark Mulder | 52 | OAK |
| +019+ | 2.05 | Jeff Suppan | 39.3 | PIT |
| +021+ | 2.02 | Matt Morris | 51.7 | SLN |
| +022+ | 2.02 | Brett Myers | 38.7 | PHI |
| +023+ | 2 | Esteban Loaiza | 39.7 | CHA |
| +024+ | 1.97 | Roger Clemens | 47 | NYA |
| +025+ | 1.92 | Shawn Chacon | 39.7 | COL |
| +027+ | 1.88 | Pedro Martinez | 49.3 | BOS |
| +029+ | 1.8 | Miguel Batista | 41.3 | ARI |
| +038+ | 1.71 | Damian Moss | 36.7 | SFN |
| +040+ | 1.66 | David Wells | 46 | NYA |
| +042+ | 1.63 | Jason Johnson | 35.7 | BAL |
| +044+ | 1.62 | Gil Meche | 37 | SEA |
| +050+ | 1.45 | Nate Cornejo | 34.7 | DET |
| +053+ | 1.41 | Kevin Brown | 44.3 | LAN |
| +057+ | 1.39 | Kerry Wood | 45 | CHN |
| +062+ | 1.28 | Brandon Webb | 15 | ARI |
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