| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jason Jennings | COL | -6.49 | 200405260_SDN_COL |
| Steve Sparks | ARI | -3.87 | 200405270_ARI_SFN |
| Brian Anderson | KCA | -2.54 | 200405270_DET_KCA |
| Ryan Vogelsong | PIT | -2.16 | 200405270_PIT_SLN |
| Victor Zambrano | TBA | -1.92 | 200405250_MIN_TBA |
Based on accumulated WAA for this season up to 2004-05-27.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 3.62 | Brad Penny | 68 | MIA |
| +002+ | 3.62 | Tom Glavine | 67.7 | NYN |
| +004+ | 3.16 | Randy Johnson | 70 | ARI |
| +006+ | 3.07 | Jake Peavy | 53.7 | SDN |
| +007+ | 3.02 | Horacio Ramirez | 59.3 | ATL |
| +013+ | 2.68 | Ben Sheets | 73 | MIL |
| +014+ | 2.67 | Carlos Zambrano | 61.3 | CHN |
| +017+ | 2.58 | Curt Schilling | 70.3 | BOS |
| +019+ | 2.53 | Roger Clemens | 57.3 | HOU |
| +022+ | 2.45 | Livan Hernandez | 80 | WAS |
| +025+ | 2.37 | Steve Trachsel | 63.7 | NYN |
| +026+ | 2.36 | Freddy Garcia | 63 | SEA |
| +027+ | 2.35 | Matt Clement | 60.3 | CHN |
| +034+ | 2.18 | Mark Mulder | 72 | OAK |
| +036+ | 2.07 | C.C. Sabathia | 62.3 | CLE |
| +041+ | 2 | Jason Schmidt | 55 | SFN |
| +043+ | 1.98 | Odalis Perez | 66.7 | LAN |
| +052+ | 1.83 | Kenny Rogers | 67.3 | TEX |
| +059+ | 1.73 | Paul Wilson | 64.7 | CIN |
| +060+ | 1.7 | Roy Oswalt | 69.7 | HOU |
| +067+ | 1.65 | Mark Buehrle | 70.3 | CHA |
| +075+ | 1.59 | Tim Hudson | 72.3 | OAK |
| +078+ | 1.56 | Tomo Ohka | 55.3 | WAS |
| +081+ | 1.56 | Roy Halladay | 78 | TOR |
| +083+ | 1.53 | Tim Wakefield | 56 | BOS |
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