| Starter | Tm | Tier | Game |
|---|---|---|---|
| Mark Buehrle | CHA | 5.84 | 200304200_CLE_CHA |
| Roy Oswalt | HOU | 5.03 | 200304180_HOU_MIL |
| Tom Glavine | NYN | 3.94 | 200304200_MIA_NYN |
| Barry Zito | OAK | 3 | 200304180_TEX_OAK |
| Mike Mussina | NYA | 2.55 | 200304200_NYA_MIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jimmy Anderson | CIN | -4.04 | 200304192_CIN_WAS |
| Mike Hampton | ATL | -3.21 | 200304190_PHI_ATL |
| Glendon Rusch | MIL | -1.8 | 200304180_HOU_MIL |
| Nick Bierbrodt | TBA | -1.41 | 200304200_TBA_BAL |
| Nate Cornejo | DET | -1.35 | 200304180_DET_KCA |
Based on accumulated WAA for this season up to 2003-04-20.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 2.19 | Shawn Chacon | 27.7 | COL |
| +002+ | 2.06 | Mark Prior | 30 | CHN |
| +003+ | 2.02 | Runelvys Hernandez | 26 | KCA |
| +004+ | 1.95 | Woody Williams | 19.7 | SLN |
| +009+ | 1.7 | Mike Mussina | 29 | NYA |
| +010+ | 1.55 | Kris Benson | 27.3 | PIT |
| +011+ | 1.53 | Esteban Loaiza | 20.7 | CHA |
| +017+ | 1.4 | Roger Clemens | 26 | NYA |
| +018+ | 1.36 | Jeff Suppan | 19.3 | PIT |
| +019+ | 1.35 | Vicente Padilla | 27.3 | PHI |
| +022+ | 1.33 | Ricardo Rodriguez | 26 | CLE |
| +023+ | 1.32 | Brian Lawrence | 27 | SDN |
| +024+ | 1.31 | Al Leiter | 24.7 | NYN |
| +027+ | 1.27 | Matt Morris | 29.7 | SLN |
| +026+ | 1.27 | Carlos Zambrano | 18.3 | CHN |
| +030+ | 1.26 | Shane Reynolds | 12.3 | ATL |
| +028+ | 1.26 | Tony Armas | 31 | WAS |
| XXXXX | 1.21 | Jason Schmidt | 26.7 | SFN |
| XXXXX | 1.05 | Matt Clement | 24.3 | CHN |
| XXXXX | 1.02 | Jake Westbrook | 12.3 | CLE |
| XXXXX | 1.01 | Zach Day | 24.3 | WAS |
| XXXXX | 1 | Hideo Nomo | 35.7 | LAN |
| XXXXX | 0.99 | David Wells | 22 | NYA |
| XXXXX | 0.92 | Mark Buehrle | 33 | CHA |
| XXXXX | 0.91 | Barry Zito | 27 | OAK |
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