| Starter | Tm | Tier | Game |
|---|---|---|---|
| Randy Johnson | ARI | 7.7 | 200409220_ARI_COL |
| Ben Sheets | MIL | 6.2 | 200409220_SLN_MIL |
| Carlos Zambrano | CHN | 5.04 | 200409220_CHN_PIT |
| Carl Pavano | MIA | 4.63 | 200409201_CHN_MIA |
| Jake Peavy | SDN | 4.53 | 200409220_LAN_SDN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Scott Elarton | CLE | -3.97 | 200409200_CLE_DET |
| Shawn Estes | COL | -3.42 | 200409220_ARI_COL |
| Brian Anderson | KCA | -2.35 | 200409200_KCA_TBA |
| Esteban Loaiza | NYA | -1.94 | 200409210_TOR_NYA |
| Kyle Lohse | MIN | -1.73 | 200409210_MIN_CHA |
Based on accumulated WAA for this season up to 2004-09-22.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 9.77 | Randy Johnson | 230.7 | ARI |
| +003+ | 8.93 | Johan Santana | 217 | MIN |
| +006+ | 8.31 | Ben Sheets | 221 | MIL |
| +007+ | 8.29 | Carlos Zambrano | 197.7 | CHN |
| +009+ | 7.99 | Jake Peavy | 154.3 | SDN |
| +017+ | 6.98 | Roger Clemens | 201 | HOU |
| +020+ | 6.69 | Carl Pavano | 208.3 | MIA |
| +024+ | 6.07 | Curt Schilling | 219.7 | BOS |
| +025+ | 6.02 | Oliver Perez | 183.3 | PIT |
| +026+ | 5.99 | Jason Schmidt | 205.7 | SFN |
| +039+ | 5.04 | Jake Westbrook | 201.7 | CLE |
| +041+ | 4.8 | Al Leiter | 160.7 | NYN |
| +043+ | 4.68 | Jaret Wright | 178 | ATL |
| +044+ | 4.67 | Roy Oswalt | 223 | HOU |
| +051+ | 4.49 | Livan Hernandez | 240 | WAS |
| +052+ | 4.48 | Odalis Perez | 180.3 | LAN |
| +054+ | 4.46 | Brad Penny | 143 | TOT |
| +058+ | 4.27 | Doug Davis | 194.3 | MIL |
| +062+ | 4.2 | Brad Radke | 207.7 | MIN |
| +063+ | 4.17 | Chris Carpenter | 182 | SLN |
| +065+ | 4.1 | David Wells | 177.3 | SDN |
| +067+ | 4.08 | Tom Glavine | 194 | NYN |
| +069+ | 4.04 | Tim Hudson | 168.7 | OAK |
| +074+ | 3.81 | Brandon Webb | 190 | ARI |
| +078+ | 3.67 | Pedro Martinez | 204.7 | BOS |
_