| Starter | Tm | Tier | Game |
|---|---|---|---|
| Randy Johnson | ARI | 7.33 | 200409150_COL_ARI |
| Johan Santana | MIN | 5.77 | 200409140_CHA_MIN |
| Carl Pavano | MIA | 4.67 | 200409151_WAS_MIA |
| Oliver Perez | PIT | 3.55 | 200409150_PIT_CHN |
| Roger Clemens | HOU | 3.3 | 200409140_HOU_SLN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Casey Fossum | ARI | -5.33 | 200409130_COL_ARI |
| Scott Elarton | CLE | -4.32 | 200409150_DET_CLE |
| Jose Acevedo | CIN | -3.67 | 200409140_PHI_CIN |
| Shawn Estes | COL | -3.52 | 200409150_COL_ARI |
| Brian Anderson | KCA | -2.42 | 200409130_NYA_KCA |
Based on accumulated WAA for this season up to 2004-09-15.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 9.21 | Randy Johnson | 223.7 | ARI |
| +005+ | 8.08 | Johan Santana | 209 | MIN |
| +007+ | 7.86 | Ben Sheets | 207 | MIL |
| +011+ | 7.25 | Jake Peavy | 139.3 | SDN |
| +013+ | 7.13 | Carl Pavano | 202.3 | MIA |
| +015+ | 7.01 | Carlos Zambrano | 183.3 | CHN |
| +020+ | 6.26 | Jason Schmidt | 198 | SFN |
| +023+ | 6.13 | Roger Clemens | 193 | HOU |
| +028+ | 5.54 | Oliver Perez | 176.3 | PIT |
| +032+ | 5.31 | Curt Schilling | 204 | BOS |
| +034+ | 5.05 | Jake Westbrook | 189.7 | CLE |
| +036+ | 4.89 | Al Leiter | 155.7 | NYN |
| +037+ | 4.86 | Pedro Martinez | 199.7 | BOS |
| +042+ | 4.73 | Tom Glavine | 188.3 | NYN |
| +046+ | 4.59 | Roy Oswalt | 210.3 | HOU |
| +050+ | 4.49 | Brad Radke | 204.7 | MIN |
| +059+ | 4.26 | Odalis Perez | 174.3 | LAN |
| +061+ | 4.21 | Jaret Wright | 169.7 | ATL |
| +062+ | 4.1 | Greg Maddux | 189.7 | CHN |
| +067+ | 4.01 | Matt Clement | 178.7 | CHN |
| +070+ | 3.83 | Livan Hernandez | 223 | WAS |
| +072+ | 3.82 | Tim Hudson | 160.7 | OAK |
| +071+ | 3.82 | Chris Carpenter | 178.7 | SLN |
| +073+ | 3.78 | Brandon Webb | 188 | ARI |
| +077+ | 3.72 | Doug Davis | 187.3 | MIL |
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