| Starter | Tm | Tier | Game |
|---|---|---|---|
| Matt Morris | SLN | 5.19 | 200305140_CIN_SLN |
| Barry Zito | OAK | 5.13 | 200305150_OAK_DET |
| Mike Mussina | NYA | 4.65 | 200305130_ANA_NYA |
| Pedro Martinez | BOS | 4.58 | 200305150_TEX_BOS |
| Roy Oswalt | HOU | 3.46 | 200305150_HOU_PIT |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jim Parque | TBA | -2.61 | 200305150_TBA_TOR |
| Rick Helling | BAL | -2.3 | 200305140_BAL_CHA |
| Darren Oliver | COL | -2.07 | 200305140_NYN_COL |
| Tanyon Sturtze | TOR | -1.89 | 200305130_TBA_TOR |
| Dan Wright | CHA | -1.88 | 200305140_BAL_CHA |
Based on accumulated WAA for this season up to 2003-05-15.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 3.21 | Mike Mussina | 58 | NYA |
| +006+ | 3.03 | Esteban Loaiza | 52.7 | CHA |
| +008+ | 2.77 | Mark Prior | 55 | CHN |
| +009+ | 2.74 | Woody Williams | 49 | SLN |
| +010+ | 2.71 | Brett Myers | 53 | PHI |
| +012+ | 2.66 | Barry Zito | 61 | OAK |
| +015+ | 2.56 | Mark Mulder | 60 | OAK |
| +016+ | 2.56 | Roger Clemens | 53.7 | NYA |
| +017+ | 2.54 | Kerry Wood | 59 | CHN |
| +019+ | 2.4 | Kevin Brown | 57.3 | LAN |
| +023+ | 2.3 | Tim Hudson | 65.7 | OAK |
| +022+ | 2.3 | Miguel Batista | 47.3 | ARI |
| +024+ | 2.24 | Damian Moss | 49.3 | SFN |
| +028+ | 2.11 | Runelvys Hernandez | 58 | KCA |
| +029+ | 2.08 | Matt Morris | 65.7 | SLN |
| +030+ | 2.07 | Jeff Suppan | 53 | PIT |
| +031+ | 2.06 | Pedro Martinez | 60.3 | BOS |
| +032+ | 2.05 | Jason Johnson | 40.7 | BAL |
| +035+ | 2.01 | Zach Day | 52.7 | WAS |
| +037+ | 1.94 | Jason Schmidt | 46.3 | SFN |
| +044+ | 1.8 | Brandon Webb | 28 | ARI |
| +048+ | 1.73 | Nate Cornejo | 40.7 | DET |
| +050+ | 1.68 | C.C. Sabathia | 53 | CLE |
| +052+ | 1.66 | Kirk Rueter | 54 | SFN |
| +054+ | 1.65 | Kazuhisa Ishii | 45.7 | LAN |
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