| Starter | Tm | Tier | Game |
|---|---|---|---|
| Johan Santana | NYN | 9.46 | 200904240_WAS_NYN |
| Jake Peavy | SDN | 4 | 200904260_PIT_SDN |
| Zack Greinke | KCA | 3.92 | 200904240_DET_KCA |
| Roy Halladay | TOR | 3.85 | 200904260_TOR_CHA |
| Erik Bedard | SEA | 2.88 | 200904240_SEA_ANA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Vicente Padilla | TEX | -4.21 | 200904240_TEX_BAL |
| Brian Burres | TOR | -3.1 | 200904250_TOR_CHA |
| Daniel Cabrera | WAS | -2.95 | 200904250_WAS_NYN |
| Jose Contreras | CHA | -2.73 | 200904260_TOR_CHA |
| Sidney Ponson | KCA | -2.17 | 200904260_DET_KCA |
Based on accumulated WAA for this season up to 2009-04-26.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 3.15 | Zack Greinke | 29 | KCA |
| +003+ | 2.39 | Johan Santana | 25.7 | NYN |
| +006+ | 1.92 | Jair Jurrjens | 25.3 | ATL |
| +007+ | 1.88 | Dan Haren | 26 | ARI |
| +009+ | 1.76 | Kevin Millwood | 30 | TEX |
| +011+ | 1.65 | Aaron Harang | 27 | CIN |
| +012+ | 1.64 | John Danks | 19 | CHA |
| +013+ | 1.63 | Armando Galarraga | 24.3 | DET |
| +014+ | 1.63 | Chad Billingsley | 26.3 | LAN |
| +015+ | 1.61 | Wandy Rodriguez | 25 | HOU |
| +016+ | 1.58 | Paul Maholm | 26.7 | PIT |
| +017+ | 1.54 | Josh Johnson | 28.7 | MIA |
| +018+ | 1.53 | Matt Cain | 26 | SFN |
| +020+ | 1.51 | Erik Bedard | 26 | SEA |
| +021+ | 1.48 | Zach Duke | 29.7 | PIT |
| +022+ | 1.47 | Glen Perkins | 29 | MIN |
| +027+ | 1.31 | Jered Weaver | 25.7 | ANA |
| +030+ | 1.28 | Gil Meche | 27.3 | KCA |
| +032+ | 1.26 | Kyle Lohse | 26 | SLN |
| XXXXX | 1.18 | Edwin Jackson | 26 | DET |
| XXXXX | 1.15 | Javier Vazquez | 24 | ATL |
| XXXXX | 1.07 | Derek Lowe | 29 | ATL |
| XXXXX | 1.07 | Tim Wakefield | 22 | BOS |
| XXXXX | 1.06 | Dallas Braden | 25 | OAK |
| XXXXX | 1.01 | Aaron Laffey | 18.7 | CLE |
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