| 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 |
|---|---|---|---|
| Scott Elarton | CLE | -4.32 | 200409150_DET_CLE |
| Jose Acevedo | CIN | -3.67 | 200409140_PHI_CIN |
| 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 2004-09-16.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 9.2 | Randy Johnson | 223.7 | ARI |
| +005+ | 8.08 | Johan Santana | 209 | MIN |
| +007+ | 7.86 | Ben Sheets | 207 | MIL |
| +012+ | 7.24 | Jake Peavy | 139.3 | SDN |
| +013+ | 7.12 | Carl Pavano | 202.3 | MIA |
| +021+ | 6.25 | Jason Schmidt | 198 | SFN |
| +023+ | 6.12 | Roger Clemens | 193 | HOU |
| +028+ | 5.53 | Oliver Perez | 176.3 | PIT |
| +033+ | 5.26 | Curt Schilling | 211.7 | BOS |
| +034+ | 5.04 | Jake Westbrook | 189.7 | CLE |
| +037+ | 4.89 | Al Leiter | 155.7 | NYN |
| +038+ | 4.85 | Pedro Martinez | 199.7 | BOS |
| +046+ | 4.58 | Roy Oswalt | 210.3 | HOU |
| +051+ | 4.49 | Brad Radke | 204.7 | MIN |
| +059+ | 4.25 | Odalis Perez | 174.3 | LAN |
| +060+ | 4.22 | Jaret Wright | 169.7 | ATL |
| +064+ | 4.09 | Greg Maddux | 189.7 | CHN |
| +068+ | 4 | Matt Clement | 178.7 | CHN |
| +070+ | 3.84 | Livan Hernandez | 231 | WAS |
| +071+ | 3.82 | Chris Carpenter | 178.7 | SLN |
| +072+ | 3.81 | Tim Hudson | 160.7 | OAK |
| +075+ | 3.78 | Brandon Webb | 188 | ARI |
| +078+ | 3.71 | Doug Davis | 187.3 | MIL |
| +081+ | 3.55 | Ryan Drese | 195.7 | TEX |
| +083+ | 3.52 | David Wells | 170 | SDN |
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