| Starter | Tm | Tier | Game |
|---|---|---|---|
| Johan Santana | MIN | 6.36 | 200409190_BAL_MIN |
| Carl Pavano | MIA | 4.63 | 200409201_CHN_MIA |
| Roger Clemens | HOU | 3.59 | 200409190_MIL_HOU |
| Curt Schilling | BOS | 2.56 | 200409210_BAL_BOS |
| Al Leiter | NYN | 2.18 | 200409210_NYN_WAS |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Scott Elarton | CLE | -3.97 | 200409200_CLE_DET |
| Ryan Vogelsong | PIT | -3.43 | 200409191_NYN_PIT |
| Jason Jennings | COL | -3.1 | 200409190_LAN_COL |
| Brian Anderson | KCA | -2.35 | 200409200_KCA_TBA |
| Esteban Loaiza | NYA | -1.94 | 200409210_TOR_NYA |
Based on accumulated WAA for this season up to 2004-09-21.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 9.22 | Randy Johnson | 223.7 | ARI |
| +003+ | 8.91 | Johan Santana | 217 | MIN |
| +006+ | 8.3 | Ben Sheets | 215 | MIL |
| +015+ | 7.14 | Jake Peavy | 146.3 | SDN |
| +018+ | 6.96 | Roger Clemens | 201 | HOU |
| +021+ | 6.68 | Carl Pavano | 208.3 | MIA |
| +024+ | 6.11 | Curt Schilling | 219.7 | BOS |
| +026+ | 5.98 | Jason Schmidt | 205.7 | SFN |
| +031+ | 5.49 | Oliver Perez | 176.3 | PIT |
| +037+ | 5.1 | Roy Oswalt | 217.3 | HOU |
| +039+ | 4.93 | Jake Westbrook | 194.7 | CLE |
| +042+ | 4.79 | Al Leiter | 160.7 | NYN |
| +047+ | 4.67 | Jaret Wright | 178 | ATL |
| +052+ | 4.47 | Livan Hernandez | 240 | WAS |
| +053+ | 4.46 | Odalis Perez | 180.3 | LAN |
| +058+ | 4.26 | Doug Davis | 194.3 | MIL |
| +062+ | 4.18 | Brad Radke | 207.7 | MIN |
| +063+ | 4.16 | Chris Carpenter | 182 | SLN |
| +067+ | 4.09 | David Wells | 177.3 | SDN |
| +068+ | 4.07 | Tom Glavine | 194 | NYN |
| +071+ | 4.02 | Tim Hudson | 168.7 | OAK |
| +075+ | 3.79 | Brandon Webb | 190 | ARI |
| +078+ | 3.71 | Pedro Martinez | 204.7 | BOS |
| +079+ | 3.63 | Joe Kennedy | 148.3 | COL |
| +081+ | 3.46 | Greg Maddux | 195.7 | CHN |
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