| Starter | Tm | Tier | Game |
|---|---|---|---|
| Johan Santana | NYN | 9.58 | 200904290_MIA_NYN |
| Zack Greinke | KCA | 5.18 | 200904290_TOR_KCA |
| Roy Halladay | TOR | 3.87 | 200905010_BAL_TOR |
| Jake Peavy | SDN | 3.09 | 200905010_SDN_LAN |
| Erik Bedard | SEA | 3.08 | 200904290_SEA_CHA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Brian Burres | TOR | -4.18 | 200904300_TOR_KCA |
| Vicente Padilla | TEX | -3.83 | 200904300_OAK_TEX |
| Daniel Cabrera | WAS | -2.74 | 200904300_SLN_WAS |
| Andy Sonnanstine | TBA | -2.62 | 200905010_BOS_TBA |
| Mark Hendrickson | BAL | -2.16 | 200905010_BAL_TOR |
Based on accumulated WAA for this season up to 2009-05-01.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 3.45 | Zack Greinke | 36 | KCA |
| +003+ | 2.68 | Johan Santana | 32.7 | NYN |
| +006+ | 2.39 | Dan Haren | 35 | ARI |
| +010+ | 2.15 | Wandy Rodriguez | 32 | HOU |
| +009+ | 2.15 | Kevin Millwood | 38 | TEX |
| +011+ | 2.11 | Jair Jurrjens | 31.3 | ATL |
| +013+ | 2.04 | Zach Duke | 36.7 | PIT |
| +014+ | 1.99 | Chad Billingsley | 33.7 | LAN |
| +016+ | 1.88 | Kyle Lohse | 32 | SLN |
| +017+ | 1.81 | Tim Wakefield | 29 | BOS |
| +018+ | 1.79 | Edwin Jackson | 32 | DET |
| +020+ | 1.73 | Felix Hernandez | 34 | SEA |
| +026+ | 1.58 | Dallas Braden | 30 | OAK |
| +027+ | 1.54 | Josh Johnson | 34.7 | MIA |
| +028+ | 1.5 | Matt Cain | 26 | SFN |
| +032+ | 1.43 | Glen Perkins | 29 | MIN |
| +034+ | 1.42 | Erik Bedard | 31 | SEA |
| +036+ | 1.39 | Yovani Gallardo | 34.7 | MIL |
| +038+ | 1.37 | Johnny Cueto | 24.7 | CIN |
| +044+ | 1.32 | Derek Lowe | 35.7 | ATL |
| +045+ | 1.29 | Chris Volstad | 30.3 | MIA |
| XXXXX | 1.24 | Doug Davis | 34 | ARI |
| XXXXX | 1.19 | Brian Bannister | 13 | KCA |
| XXXXX | 1.18 | Adam Wainwright | 29.3 | SLN |
| XXXXX | 1.12 | Jered Weaver | 31.7 | ANA |
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