| Starter | Tm | Tier | Game |
|---|---|---|---|
| Pedro Martinez | BOS | 6.11 | 200404150_BAL_BOS |
| Barry Zito | OAK | 5.44 | 200404130_OAK_TEX |
| Roy Halladay | TOR | 3.98 | 200404150_TOR_DET |
| Vicente Padilla | PHI | 2.42 | 200404150_CIN_PHI |
| Hideo Nomo | LAN | 2.31 | 200404150_LAN_SDN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Joe Kennedy | COL | -1.86 | 200404140_ARI_COL |
| Jeff Suppan | SLN | -1.71 | 200404130_HOU_SLN |
| Jeremy Bonderman | DET | -1.39 | 200404130_TOR_DET |
| John Thomson | ATL | -1.25 | 200404140_ATL_NYN |
| Ramon Ortiz | ANA | -1 | 200404140_SEA_ANA |
Based on accumulated WAA for this season up to 2004-04-15.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 1.73 | Kevin Brown | 21 | NYA |
| +004+ | 1.39 | Dontrelle Willis | 12.7 | MIA |
| +005+ | 1.38 | Paul Wilson | 14.3 | CIN |
| +006+ | 1.38 | Bartolo Colon | 14 | ANA |
| +007+ | 1.33 | Josh Beckett | 14 | MIA |
| +008+ | 1.31 | Roger Clemens | 13.7 | HOU |
| XXXXX | 1.15 | Al Leiter | 10.3 | NYN |
| XXXXX | 1.15 | Shawn Estes | 14 | COL |
| XXXXX | 1.04 | Horacio Ramirez | 14 | ATL |
| XXXXX | 1.02 | Brad Penny | 15 | MIA |
| XXXXX | 1.02 | Wade Miller | 13 | HOU |
| XXXXX | 1.02 | Tom Glavine | 13 | NYN |
| XXXXX | 0.98 | Adam Eaton | 15 | SDN |
| XXXXX | 0.97 | Kip Wells | 12 | PIT |
| XXXXX | 0.96 | Carlos Zambrano | 13 | CHN |
| XXXXX | 0.92 | Jason Stanford | 11 | CLE |
| XXXXX | 0.91 | C.C. Sabathia | 15 | CLE |
| XXXXX | 0.91 | Mark Mulder | 14 | OAK |
| XXXXX | 0.91 | Tim Hudson | 14 | OAK |
| XXXXX | 0.9 | Jake Peavy | 12.3 | SDN |
| XXXXX | 0.88 | Dustin Hermanson | 11.7 | SFN |
| XXXXX | 0.87 | Carl Pavano | 13.7 | MIA |
| XXXXX | 0.85 | Mark Buehrle | 20.7 | CHA |
| XXXXX | 0.77 | John Patterson | 7 | WAS |
| XXXXX | 0.77 | Nate Robertson | 11 | DET |
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