| Starter | Tm | Tier | Game |
|---|---|---|---|
| Matt Morris | SLN | 4.78 | 200304290_NYN_SLN |
| Barry Zito | OAK | 4.5 | 200304290_OAK_CHA |
| Roy Oswalt | HOU | 4.09 | 200304290_ATL_HOU |
| Mark Buehrle | CHA | 4.01 | 200304300_OAK_CHA |
| Al Leiter | NYN | 3.65 | 200304290_NYN_SLN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Mike Hampton | ATL | -3.32 | 200304300_ATL_HOU |
| Ryan Dempster | CIN | -3.3 | 200304300_CIN_COL |
| Ryan Drese | TEX | -2.25 | 200304300_TEX_TOR |
| Jason Jennings | COL | -1.8 | 200304290_CIN_COL |
| Livan Hernandez | WAS | -1.47 | 200304300_WAS_MIL |
Based on accumulated WAA for this season up to 2003-04-30.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 2.79 | Runelvys Hernandez | 39.7 | KCA |
| +003+ | 2.69 | Shawn Chacon | 34.7 | COL |
| +004+ | 2.66 | Esteban Loaiza | 36 | CHA |
| +006+ | 2.34 | Mark Prior | 37 | CHN |
| +007+ | 2.32 | Woody Williams | 33 | SLN |
| +008+ | 2.28 | Mike Mussina | 37 | NYA |
| +012+ | 2.07 | Jason Schmidt | 35.7 | SFN |
| +015+ | 1.95 | Scot Shields | 23.3 | ANA |
| +018+ | 1.85 | Jeff Suppan | 33.3 | PIT |
| +025+ | 1.67 | Brett Myers | 32.7 | PHI |
| +026+ | 1.66 | Javier Vazquez | 39.7 | WAS |
| +028+ | 1.63 | Barry Zito | 41 | OAK |
| +030+ | 1.57 | Matt Morris | 42.7 | SLN |
| +034+ | 1.53 | Roger Clemens | 40 | NYA |
| +036+ | 1.5 | Kerry Wood | 39 | CHN |
| +037+ | 1.48 | Jason Johnson | 29.7 | BAL |
| +038+ | 1.47 | Vicente Padilla | 41 | PHI |
| +040+ | 1.43 | David Wells | 39 | NYA |
| +044+ | 1.39 | Mark Redman | 39.7 | MIA |
| +046+ | 1.38 | Zach Day | 32.7 | WAS |
| +054+ | 1.31 | Carlos Zambrano | 31 | CHN |
| +055+ | 1.3 | Gil Meche | 32 | SEA |
| +058+ | 1.29 | Kris Benson | 40.3 | PIT |
| +062+ | 1.26 | Matt Kinney | 29 | MIL |
| XXXXX | 1.23 | Pedro Martinez | 40.3 | BOS |
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