| Starter | Tm | Tier | Game |
|---|---|---|---|
| Johan Santana | MIN | 7.64 | 200409291_MIN_NYA |
| Jake Peavy | SDN | 5.92 | 200410010_SDN_ARI |
| Roger Clemens | HOU | 5.14 | 200409290_SLN_HOU |
| Carl Pavano | MIA | 4.45 | 200409290_MIA_WAS |
| Odalis Perez | LAN | 1.95 | 200409290_COL_LAN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Casey Fossum | ARI | -4.89 | 200409290_MIL_ARI |
| Ryan Vogelsong | PIT | -3.87 | 200409292_PIT_PHI |
| Scott Elarton | CLE | -3.57 | 200410010_CLE_MIN |
| Jason Jennings | COL | -2.9 | 200409300_COL_LAN |
| Brett Myers | PHI | -2.17 | 200409292_PIT_PHI |
Based on accumulated WAA for this season up to 2004-10-01.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 10.23 | Randy Johnson | 237.7 | ARI |
| +003+ | 9.66 | Johan Santana | 228 | MIN |
| +008+ | 8.74 | Ben Sheets | 228 | MIL |
| +010+ | 8.57 | Carlos Zambrano | 204 | CHN |
| +011+ | 8.54 | Jake Peavy | 166.3 | SDN |
| +014+ | 7.71 | Carl Pavano | 222.3 | MIA |
| +015+ | 7.46 | Roger Clemens | 214.3 | HOU |
| +021+ | 6.48 | Oliver Perez | 190 | PIT |
| +022+ | 6.28 | Curt Schilling | 226.7 | BOS |
| +026+ | 6.04 | Jason Schmidt | 219 | SFN |
| +034+ | 5.5 | Jake Westbrook | 208.7 | CLE |
| +037+ | 5.43 | Odalis Perez | 196.3 | LAN |
| +043+ | 5.12 | Doug Davis | 207.3 | MIL |
| +044+ | 5.06 | Jaret Wright | 186.3 | ATL |
| +046+ | 4.93 | Al Leiter | 166.7 | NYN |
| +049+ | 4.9 | Roy Oswalt | 230 | HOU |
| +051+ | 4.79 | Livan Hernandez | 248 | WAS |
| +055+ | 4.6 | Brad Radke | 219.7 | MIN |
| +070+ | 3.86 | Brandon Webb | 201 | ARI |
| +074+ | 3.81 | Tom Glavine | 206.3 | NYN |
| +076+ | 3.73 | David Wells | 190.7 | SDN |
| +080+ | 3.59 | Rodrigo Lopez | 170.7 | BAL |
| +082+ | 3.52 | Mark Buehrle | 245.3 | CHA |
| +083+ | 3.47 | Tim Hudson | 181.7 | OAK |
| +090+ | 3.26 | John Thomson | 195.3 | ATL |
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