| Starter | Tm | Tier | Game |
|---|---|---|---|
| Scott Elarton | CLE | -6.55 | 200406220_CLE_CHA |
| Ryan Vogelsong | PIT | -5.17 | 200406230_PIT_HOU |
| Jason Jennings | COL | -5.14 | 200406220_COL_MIL |
| Steve Sparks | ARI | -2.16 | 200406220_ARI_SDN |
| Darrell May | KCA | -1.53 | 200406230_DET_KCA |
Based on accumulated WAA for this season up to 2004-06-23.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 5.54 | Tom Glavine | 104.3 | NYN |
| +004+ | 4.66 | Carlos Zambrano | 96 | CHN |
| +005+ | 4.65 | Jason Schmidt | 91.7 | SFN |
| +008+ | 3.92 | Brad Penny | 98.3 | MIA |
| +012+ | 3.7 | Odalis Perez | 101.3 | LAN |
| +013+ | 3.69 | Ben Sheets | 94 | MIL |
| +015+ | 3.56 | Carl Pavano | 103 | MIA |
| +016+ | 3.42 | Tim Hudson | 108.7 | OAK |
| +017+ | 3.39 | C.C. Sabathia | 96.3 | CLE |
| +020+ | 3.38 | Mark Mulder | 102 | OAK |
| +022+ | 3.25 | Roger Clemens | 88.7 | HOU |
| +023+ | 3.24 | Randy Johnson | 107.3 | ARI |
| +024+ | 3.24 | Al Leiter | 63 | NYN |
| +030+ | 3 | Curt Schilling | 105 | BOS |
| +033+ | 2.94 | Livan Hernandez | 117.7 | WAS |
| +038+ | 2.75 | Matt Clement | 93.7 | CHN |
| +049+ | 2.57 | Freddy Garcia | 98 | SEA |
| +052+ | 2.54 | Jake Westbrook | 81.7 | CLE |
| +053+ | 2.54 | David Wells | 77.7 | SDN |
| +055+ | 2.49 | Brad Radke | 96.7 | MIN |
| +061+ | 2.39 | Zach Day | 90 | WAS |
| +070+ | 2.27 | Doug Davis | 98.7 | MIL |
| +077+ | 2.11 | Javier Vazquez | 94.3 | NYA |
| +082+ | 2.03 | Kenny Rogers | 96.7 | TEX |
| +085+ | 1.95 | Steve Trachsel | 91.7 | NYN |
_