| Starter | Tm | Tier | Game |
|---|---|---|---|
| Randy Johnson | ARI | 7.33 | 200409150_COL_ARI |
| Ben Sheets | MIL | 5.83 | 200409170_MIL_HOU |
| Jake Peavy | SDN | 4.92 | 200409170_SDN_SFN |
| Carl Pavano | MIA | 4.67 | 200409151_WAS_MIA |
| Carlos Zambrano | CHN | 4.6 | 200409170_CHN_CIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Scott Elarton | CLE | -4.32 | 200409150_DET_CLE |
| Hideo Nomo | LAN | -4.3 | 200409170_LAN_COL |
| Shawn Estes | COL | -3.52 | 200409150_COL_ARI |
| Wes Obermueller | MIL | -2.41 | 200409150_SFN_MIL |
| Kyle Lohse | MIN | -2.11 | 200409160_CHA_MIN |
Based on accumulated WAA for this season up to 2004-09-17.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 9.25 | Randy Johnson | 223.7 | ARI |
| +005+ | 8.32 | Ben Sheets | 215 | MIL |
| +007+ | 8.11 | Johan Santana | 209 | MIN |
| +009+ | 7.55 | Carlos Zambrano | 190.3 | CHN |
| +014+ | 7.16 | Jake Peavy | 146.3 | SDN |
| +015+ | 7.15 | Carl Pavano | 202.3 | MIA |
| +021+ | 6.28 | Jason Schmidt | 198 | SFN |
| +022+ | 6.15 | Roger Clemens | 193 | HOU |
| +029+ | 5.56 | Oliver Perez | 176.3 | PIT |
| +033+ | 5.29 | Curt Schilling | 211.7 | BOS |
| +034+ | 5.13 | Roy Oswalt | 217.3 | HOU |
| +038+ | 4.95 | Jake Westbrook | 194.7 | CLE |
| +039+ | 4.91 | Al Leiter | 155.7 | NYN |
| +040+ | 4.88 | Pedro Martinez | 199.7 | BOS |
| +053+ | 4.52 | Brad Radke | 204.7 | MIN |
| +059+ | 4.26 | Odalis Perez | 174.3 | LAN |
| +062+ | 4.24 | Jaret Wright | 169.7 | ATL |
| +066+ | 4.12 | Greg Maddux | 189.7 | CHN |
| +067+ | 4.03 | Matt Clement | 178.7 | CHN |
| +069+ | 3.87 | Livan Hernandez | 231 | WAS |
| +071+ | 3.85 | Tim Hudson | 160.7 | OAK |
| +072+ | 3.84 | Chris Carpenter | 178.7 | SLN |
| +074+ | 3.82 | Brandon Webb | 190 | ARI |
| +078+ | 3.76 | Doug Davis | 187.3 | MIL |
| +080+ | 3.59 | Ryan Drese | 195.7 | TEX |
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