| Starter | Tm | Tier | Game |
|---|---|---|---|
| Johan Santana | NYN | 9.46 | 200904240_WAS_NYN |
| Dan Haren | ARI | 6.9 | 200904220_COL_ARI |
| CC Sabathia | NYA | 6.26 | 200904220_OAK_NYA |
| Chad Billingsley | LAN | 4.47 | 200904230_LAN_HOU |
| Zack Greinke | KCA | 3.92 | 200904240_DET_KCA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Adam Eaton | BAL | -5.83 | 200904230_CHA_BAL |
| Vicente Padilla | TEX | -4.21 | 200904240_TEX_BAL |
| Scott Olsen | WAS | -2.44 | 200904240_WAS_NYN |
| Barry Zito | SFN | -2.44 | 200904220_SDN_SFN |
| Livan Hernandez | NYN | -2.34 | 200904230_NYN_SLN |
Based on accumulated WAA for this season up to 2009-04-24.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 3.12 | Zack Greinke | 29 | KCA |
| +002+ | 2.37 | Johan Santana | 25.7 | NYN |
| +005+ | 1.9 | Dan Haren | 26 | ARI |
| +006+ | 1.88 | Jair Jurrjens | 25.3 | ATL |
| +007+ | 1.73 | Glen Perkins | 24 | MIN |
| +008+ | 1.7 | Kevin Millwood | 30 | TEX |
| +010+ | 1.62 | Aaron Harang | 27 | CIN |
| +011+ | 1.62 | Wandy Rodriguez | 25 | HOU |
| +009+ | 1.62 | John Danks | 19 | CHA |
| +012+ | 1.59 | Chad Billingsley | 26.3 | LAN |
| +014+ | 1.55 | Paul Maholm | 26.7 | PIT |
| +015+ | 1.53 | Josh Johnson | 28.7 | MIA |
| +018+ | 1.46 | Erik Bedard | 26 | SEA |
| +022+ | 1.36 | Jarrod Washburn | 21 | SEA |
| +024+ | 1.28 | Ricky Romero | 21 | TOR |
| +025+ | 1.26 | Gil Meche | 27.3 | KCA |
| XXXXX | 1.23 | Kyle Lohse | 26 | SLN |
| XXXXX | 1.17 | Armando Galarraga | 18.3 | DET |
| XXXXX | 1.16 | Edwin Jackson | 26 | DET |
| XXXXX | 1.11 | Javier Vazquez | 24 | ATL |
| XXXXX | 1.05 | Tim Wakefield | 22 | BOS |
| XXXXX | 1.01 | Matt Cain | 19 | SFN |
| XXXXX | 0.99 | Braden Looper | 17 | MIL |
| XXXXX | 0.96 | Tim Lincecum | 24.3 | SFN |
| XXXXX | 0.95 | Adam Wainwright | 23.3 | SLN |
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