| Starter | Tm | Tier | Game |
|---|---|---|---|
| Carlos Zambrano | CHN | 5.44 | 200504200_CHN_SLN |
| Tim Hudson | ATL | 4.95 | 200504180_ATL_HOU |
| Brandon Webb | ARI | 4.86 | 200504180_ARI_COL |
| Johan Santana | MIN | 4.37 | 200504200_KCA_MIN |
| Livan Hernandez | WAS | 4.37 | 200504190_MIA_WAS |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Shawn Estes | ARI | -3.27 | 200504190_ARI_COL |
| Scott Elarton | CLE | -3.19 | 200504190_CLE_KCA |
| Kyle Lohse | MIN | -2.64 | 200504180_MIN_CHA |
| Aaron Sele | SEA | -2.15 | 200504180_SEA_ANA |
| Cory Lidle | PHI | -1.94 | 200504200_COL_PHI |
Based on accumulated WAA for this season up to 2005-04-20.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 2.03 | Josh Beckett | 27 | MIA |
| +002+ | 1.98 | Derek Lowe | 28.3 | LAN |
| +003+ | 1.91 | Roger Clemens | 21 | HOU |
| +004+ | 1.86 | Brett Myers | 20.3 | PHI |
| +006+ | 1.75 | Mike Hampton | 22 | ATL |
| +005+ | 1.75 | Tim Hudson | 22 | ATL |
| +007+ | 1.73 | Dontrelle Willis | 24 | MIA |
| +013+ | 1.46 | Jake Peavy | 20.7 | SDN |
| +014+ | 1.44 | Jason Marquis | 20.3 | SLN |
| +016+ | 1.41 | Tim Wakefield | 19.7 | BOS |
| +018+ | 1.36 | Pedro Astacio | 22 | TEX |
| +019+ | 1.36 | Gustavo Chacin | 19 | TOR |
| +021+ | 1.29 | Mark Prior | 13 | CHN |
| XXXXX | 1.17 | Rich Harden | 13.3 | OAK |
| XXXXX | 1.15 | Mark Buehrle | 24 | CHA |
| XXXXX | 1.1 | A.J. Burnett | 24 | MIA |
| XXXXX | 1.08 | Ryan Franklin | 20.7 | SEA |
| XXXXX | 1.07 | Bartolo Colon | 27.7 | ANA |
| XXXXX | 1.05 | Pedro Martinez | 22 | NYN |
| XXXXX | 1.02 | John Patterson | 14 | WAS |
| XXXXX | 0.98 | Joe Blanton | 17.7 | OAK |
| XXXXX | 0.94 | Jon Lieber | 21.7 | PHI |
| XXXXX | 0.93 | Mark Redman | 19.3 | PIT |
| XXXXX | 0.92 | Odalis Perez | 17.7 | LAN |
| XXXXX | 0.91 | Dan Haren | 19 | OAK |
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