| Starter | Tm | Tier | Game |
|---|---|---|---|
| Casey Fossum | ARI | -6.62 | 200408180_PIT_ARI |
| Scott Elarton | CLE | -5.42 | 200408180_CLE_TEX |
| Jason Jennings | COL | -5.11 | 200408170_NYN_COL |
| Ryan Vogelsong | PIT | -3.47 | 200408170_PIT_ARI |
| Rocky Biddle | WAS | -2.52 | 200408181_WAS_SFN |
Based on accumulated WAA for this season up to 2004-08-18.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 7.83 | Jason Schmidt | 174.7 | SFN |
| +005+ | 6.68 | Randy Johnson | 178.7 | ARI |
| +011+ | 5.96 | Ben Sheets | 171 | MIL |
| +012+ | 5.91 | Jake Peavy | 108 | SDN |
| +014+ | 5.84 | Odalis Perez | 150.3 | LAN |
| +017+ | 5.79 | Carlos Zambrano | 156 | CHN |
| +020+ | 5.57 | Roger Clemens | 159.3 | HOU |
| +021+ | 5.54 | Carl Pavano | 166.7 | MIA |
| +023+ | 5.16 | Al Leiter | 121 | NYN |
| +031+ | 4.7 | Oliver Perez | 136 | PIT |
| +033+ | 4.57 | Johan Santana | 173 | MIN |
| +035+ | 4.49 | Matt Clement | 159.7 | CHN |
| +042+ | 4.22 | Ryan Drese | 159.7 | TEX |
| +047+ | 4.14 | Roy Oswalt | 178 | HOU |
| +046+ | 4.14 | Tim Hudson | 128.3 | OAK |
| +051+ | 3.9 | Livan Hernandez | 188.3 | WAS |
| +053+ | 3.78 | Jaret Wright | 138 | ATL |
| +060+ | 3.54 | Russ Ortiz | 156 | ATL |
| +068+ | 3.21 | Curt Schilling | 167.7 | BOS |
| +069+ | 3.15 | Kerry Wood | 89.7 | CHN |
| +071+ | 3.03 | Jake Westbrook | 154 | CLE |
| +076+ | 3 | Brad Radke | 170 | MIN |
| +078+ | 2.93 | Wilson Alvarez | 101.7 | LAN |
| +084+ | 2.85 | Mark Buehrle | 178.3 | CHA |
| +085+ | 2.83 | Steve Trachsel | 155.3 | NYN |
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