| Starter | Tm | Tier | Game |
|---|---|---|---|
| Tim Hudson | OAK | 5.12 | 200405200_DET_OAK |
| Curt Schilling | BOS | 5.01 | 200405190_BOS_TBA |
| Carlos Zambrano | CHN | 4.19 | 200405190_SFN_CHN |
| Roy Halladay | TOR | 4.09 | 200405210_TOR_BOS |
| Roy Oswalt | HOU | 3.47 | 200405200_HOU_MIA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jason Jennings | COL | -5.75 | 200405190_COL_CIN |
| Darren Oliver | MIA | -3.06 | 200405210_ARI_MIA |
| Brett Tomko | SFN | -2.56 | 200405210_SFN_WAS |
| Chan Ho Park | TEX | -2.34 | 200405190_KCA_TEX |
| Paul Abbott | TBA | -1.7 | 200405210_CLE_TBA |
Based on accumulated WAA for this season up to 2004-05-21.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 3.22 | Roger Clemens | 52.3 | HOU |
| +002+ | 3.05 | Jake Peavy | 53.7 | SDN |
| +003+ | 2.98 | Horacio Ramirez | 53 | ATL |
| +004+ | 2.95 | Carlos Zambrano | 56.3 | CHN |
| +007+ | 2.79 | Brad Penny | 54 | MIA |
| +008+ | 2.78 | Randy Johnson | 63 | ARI |
| +011+ | 2.68 | Tom Glavine | 58.7 | NYN |
| +012+ | 2.67 | C.C. Sabathia | 55.7 | CLE |
| +013+ | 2.6 | Livan Hernandez | 73 | WAS |
| +020+ | 2.27 | Curt Schilling | 63.3 | BOS |
| +021+ | 2.23 | Matt Clement | 53.3 | CHN |
| +022+ | 2.22 | Tim Hudson | 68.3 | OAK |
| +028+ | 2.07 | Joe Kennedy | 54.3 | COL |
| +030+ | 2.02 | Mark Mulder | 66.3 | OAK |
| +039+ | 1.91 | Ben Sheets | 59 | MIL |
| +042+ | 1.87 | Freddy Garcia | 56 | SEA |
| +045+ | 1.77 | Brandon Webb | 55 | ARI |
| +047+ | 1.73 | Rodrigo Lopez | 32 | BAL |
| +054+ | 1.67 | Steve Trachsel | 57 | NYN |
| +058+ | 1.63 | Zach Day | 51.7 | WAS |
| +060+ | 1.6 | Wilson Alvarez | 36.3 | LAN |
| +062+ | 1.6 | Ryan Drese | 41.3 | TEX |
| +063+ | 1.59 | Kenny Rogers | 61.3 | TEX |
| +064+ | 1.58 | Wade Miller | 50.7 | HOU |
| +074+ | 1.49 | Oliver Perez | 45.7 | PIT |
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