| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ryan Vogelsong | PIT | -5.22 | 200406180_SEA_PIT |
| Shawn Estes | COL | -3.9 | 200406180_BAL_COL |
| Sidney Ponson | BAL | -2.61 | 200406180_BAL_COL |
| Wes Obermueller | MIL | -2.31 | 200406190_MIN_MIL |
| Jeremy Bonderman | DET | -2.01 | 200406200_DET_NYN |
Based on accumulated WAA for this season up to 2004-06-20.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 5.59 | Tom Glavine | 104.3 | NYN |
| +004+ | 4.65 | Jason Schmidt | 91.7 | SFN |
| +005+ | 4.64 | Carlos Zambrano | 96 | CHN |
| +007+ | 3.72 | Tim Hudson | 103.7 | OAK |
| +009+ | 3.69 | Ben Sheets | 94 | MIL |
| +012+ | 3.47 | Carl Pavano | 96 | MIA |
| +015+ | 3.34 | Mark Mulder | 102 | OAK |
| +017+ | 3.31 | Brad Penny | 92.3 | MIA |
| +018+ | 3.3 | Odalis Perez | 93.7 | LAN |
| +019+ | 3.27 | Al Leiter | 63 | NYN |
| +020+ | 3.25 | Roger Clemens | 88.7 | HOU |
| +022+ | 3.13 | Randy Johnson | 100.3 | ARI |
| +037+ | 2.79 | C.C. Sabathia | 88.3 | CLE |
| +039+ | 2.73 | Matt Clement | 93.7 | CHN |
| +041+ | 2.64 | Livan Hernandez | 110.7 | WAS |
| +047+ | 2.54 | Jake Westbrook | 81.7 | CLE |
| +048+ | 2.54 | Freddy Garcia | 98 | SEA |
| +051+ | 2.49 | Curt Schilling | 98 | BOS |
| +053+ | 2.47 | Brad Radke | 96.7 | MIN |
| +054+ | 2.46 | Paul Wilson | 82.3 | CIN |
| +058+ | 2.39 | Zach Day | 90 | WAS |
| +066+ | 2.25 | David Wells | 70.7 | SDN |
| +072+ | 2.09 | Javier Vazquez | 94.3 | NYA |
| +074+ | 2.04 | Kenny Rogers | 96.7 | TEX |
| +077+ | 1.99 | Steve Trachsel | 91.7 | NYN |
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