| Starter | Tm | Tier | Game |
|---|---|---|---|
| Johan Santana | NYN | 8.19 | 200904180_MIL_NYN |
| Dan Haren | ARI | 6.24 | 200904170_ARI_SFN |
| Chad Billingsley | LAN | 4.66 | 200904180_COL_LAN |
| Roy Oswalt | HOU | 3.1 | 200904170_CIN_HOU |
| Scott Kazmir | TBA | 2.89 | 200904180_CHA_TBA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Adam Eaton | BAL | -4.22 | 200904180_BAL_BOS |
| Daniel Cabrera | WAS | -3.41 | 200904190_MIA_WAS |
| Vicente Padilla | TEX | -3.3 | 200904190_KCA_TEX |
| Jorge De La Rosa | COL | -2.95 | 200904170_COL_LAN |
| Jeff Suppan | MIL | -2.59 | 200904190_MIL_NYN |
Based on accumulated WAA for this season up to 2009-04-19.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 2.19 | Zack Greinke | 20 | KCA |
| +002+ | 1.95 | Johan Santana | 19.7 | NYN |
| +003+ | 1.89 | Kevin Millwood | 23 | TEX |
| +004+ | 1.86 | Paul Maholm | 20.7 | PIT |
| +006+ | 1.74 | Glen Perkins | 24 | MIN |
| +011+ | 1.35 | Ricky Romero | 21 | TOR |
| +013+ | 1.28 | Edwin Jackson | 21 | DET |
| +015+ | 1.27 | Armando Galarraga | 13.3 | DET |
| +016+ | 1.26 | Wandy Rodriguez | 19 | HOU |
| +017+ | 1.26 | Joe Saunders | 20.7 | ANA |
| XXXXX | 1.24 | Erik Bedard | 19.3 | SEA |
| XXXXX | 1.22 | Dan Haren | 19 | ARI |
| XXXXX | 1.14 | Gil Meche | 20 | KCA |
| XXXXX | 1.1 | John Danks | 12 | CHA |
| XXXXX | 1.09 | Jarrod Washburn | 14 | SEA |
| XXXXX | 1.09 | Jair Jurrjens | 17.7 | ATL |
| XXXXX | 1.06 | Chris Carpenter | 10 | SLN |
| XXXXX | 1.02 | Doug Davis | 21 | ARI |
| XXXXX | 0.97 | Kyle Lohse | 21 | SLN |
| XXXXX | 0.95 | Jason Marquis | 14 | COL |
| XXXXX | 0.93 | Aaron Harang | 20 | CIN |
| XXXXX | 0.9 | Clayton Kershaw | 12 | LAN |
| XXXXX | 0.89 | Zach Duke | 21.3 | PIT |
| XXXXX | 0.84 | Matt Cain | 13 | SFN |
| XXXXX | 0.83 | Chad Billingsley | 19 | LAN |
_