| Starter | Tm | Tier | Game |
|---|---|---|---|
| Mark Buehrle | CHA | 5.84 | 200304200_CLE_CHA |
| Tom Glavine | NYN | 3.94 | 200304200_MIA_NYN |
| Mike Mussina | NYA | 2.55 | 200304200_NYA_MIN |
| Javier Vazquez | WAS | 2.08 | 200304192_CIN_WAS |
| Roy Halladay | TOR | 2.02 | 200304200_TOR_BOS |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jimmy Anderson | CIN | -4.04 | 200304192_CIN_WAS |
| Mike Hampton | ATL | -3.21 | 200304190_PHI_ATL |
| Rick Helling | BAL | -2.24 | 200304210_TBA_BAL |
| Nick Bierbrodt | TBA | -1.41 | 200304200_TBA_BAL |
| Todd Ritchie | MIL | -1.41 | 200304190_HOU_MIL |
Based on accumulated WAA for this season up to 2003-04-21.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 2.2 | Shawn Chacon | 27.7 | COL |
| +002+ | 2.07 | Mark Prior | 30 | CHN |
| +003+ | 2.03 | Runelvys Hernandez | 26 | KCA |
| +004+ | 1.96 | Woody Williams | 19.7 | SLN |
| +010+ | 1.71 | David Wells | 31 | NYA |
| +009+ | 1.71 | Mike Mussina | 29 | NYA |
| +012+ | 1.57 | Kris Benson | 27.3 | PIT |
| +013+ | 1.53 | Esteban Loaiza | 20.7 | CHA |
| +019+ | 1.41 | Roger Clemens | 26 | NYA |
| +022+ | 1.37 | Vicente Padilla | 27.3 | PHI |
| +021+ | 1.37 | Jeff Suppan | 19.3 | PIT |
| +023+ | 1.34 | Ricardo Rodriguez | 26 | CLE |
| +026+ | 1.33 | Al Leiter | 24.7 | NYN |
| +025+ | 1.33 | Brian Lawrence | 27 | SDN |
| +029+ | 1.28 | Tony Armas | 31 | WAS |
| +030+ | 1.28 | Carlos Zambrano | 18.3 | CHN |
| +028+ | 1.28 | Matt Morris | 29.7 | SLN |
| +031+ | 1.26 | Shane Reynolds | 12.3 | ATL |
| XXXXX | 1.22 | Jason Schmidt | 26.7 | SFN |
| XXXXX | 1.17 | Jake Westbrook | 18 | CLE |
| XXXXX | 1.06 | Matt Clement | 24.3 | CHN |
| XXXXX | 1.02 | Hideo Nomo | 35.7 | LAN |
| XXXXX | 1.02 | Zach Day | 24.3 | WAS |
| XXXXX | 0.93 | Mark Buehrle | 33 | CHA |
| XXXXX | 0.92 | Barry Zito | 27 | OAK |
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