| Starter | Tm | Tier | Game |
|---|---|---|---|
| Mike Mussina | NYA | 4.65 | 200305130_ANA_NYA |
| Mark Mulder | OAK | 3.9 | 200305110_NYA_OAK |
| Mark Buehrle | CHA | 3.56 | 200305110_CHA_SEA |
| Tom Glavine | NYN | 3.03 | 200305130_NYN_COL |
| Jamie Moyer | SEA | 2.36 | 200305110_CHA_SEA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Pedro Astacio | NYN | -2.4 | 200305110_SDN_NYN |
| Glendon Rusch | MIL | -2.34 | 200305120_CHN_MIL |
| Colby Lewis | TEX | -2.25 | 200305110_CLE_TEX |
| Tanyon Sturtze | TOR | -1.89 | 200305130_TBA_TOR |
| Paul Wilson | CIN | -1.75 | 200305130_CIN_SLN |
Based on accumulated WAA for this season up to 2003-05-13.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 3.2 | Mike Mussina | 58 | NYA |
| +006+ | 3.03 | Esteban Loaiza | 52.7 | CHA |
| +007+ | 2.92 | Runelvys Hernandez | 53 | KCA |
| +009+ | 2.88 | Mark Prior | 55 | CHN |
| +010+ | 2.73 | Woody Williams | 49 | SLN |
| +013+ | 2.55 | Roger Clemens | 53.7 | NYA |
| +014+ | 2.54 | Mark Mulder | 60 | OAK |
| +017+ | 2.31 | Matt Morris | 59.7 | SLN |
| +018+ | 2.3 | Brett Myers | 45 | PHI |
| +019+ | 2.28 | Miguel Batista | 47.3 | ARI |
| +020+ | 2.24 | Barry Zito | 55 | OAK |
| +021+ | 2.23 | Damian Moss | 49.3 | SFN |
| +026+ | 2.06 | Jeff Suppan | 53 | PIT |
| +027+ | 2.02 | Jason Johnson | 40.7 | BAL |
| +028+ | 1.98 | Zach Day | 52.7 | WAS |
| +029+ | 1.95 | Kerry Wood | 52 | CHN |
| +030+ | 1.93 | Jason Schmidt | 46.3 | SFN |
| +034+ | 1.89 | Kevin Brown | 50.3 | LAN |
| +036+ | 1.86 | Johan Santana | 28.7 | MIN |
| +037+ | 1.85 | David Wells | 53 | NYA |
| +040+ | 1.79 | Brandon Webb | 28 | ARI |
| +039+ | 1.79 | Randy Wolf | 52.3 | PHI |
| +043+ | 1.72 | Nate Cornejo | 40.7 | DET |
| +048+ | 1.67 | Tim Hudson | 57.7 | OAK |
| +047+ | 1.67 | C.C. Sabathia | 53 | CLE |
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