| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jake Peavy | SDN | 5.74 | 200904210_SDN_SFN |
| Roy Halladay | TOR | 4.69 | 200904210_TEX_TOR |
| Derek Lowe | ATL | 3.02 | 200904200_ATL_WAS |
| Matt Cain | SFN | 2.28 | 200904210_SDN_SFN |
| Rich Harden | CHN | 1.5 | 200904210_CIN_CHN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Daniel Cabrera | WAS | -3.41 | 200904190_MIA_WAS |
| Vicente Padilla | TEX | -3.3 | 200904190_KCA_TEX |
| Jeff Suppan | MIL | -2.59 | 200904190_MIL_NYN |
| Andrew Miller | MIA | -2.53 | 200904200_MIA_PIT |
| Jose Contreras | CHA | -2.18 | 200904210_CHA_BAL |
Based on accumulated WAA for this season up to 2009-04-21.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 2.2 | Zack Greinke | 20 | KCA |
| +003+ | 1.96 | Johan Santana | 19.7 | NYN |
| +004+ | 1.88 | Kevin Millwood | 23 | TEX |
| +005+ | 1.85 | Paul Maholm | 20.7 | PIT |
| +006+ | 1.73 | Glen Perkins | 24 | MIN |
| +010+ | 1.42 | Jarrod Washburn | 21 | SEA |
| +011+ | 1.35 | Ricky Romero | 21 | TOR |
| +013+ | 1.29 | Edwin Jackson | 21 | DET |
| XXXXX | 1.25 | Joe Saunders | 20.7 | ANA |
| XXXXX | 1.25 | Wandy Rodriguez | 19 | HOU |
| XXXXX | 1.24 | Erik Bedard | 19.3 | SEA |
| XXXXX | 1.21 | Dan Haren | 19 | ARI |
| XXXXX | 1.2 | Armando Galarraga | 18.3 | DET |
| XXXXX | 1.15 | Gil Meche | 20 | KCA |
| XXXXX | 1.12 | Jair Jurrjens | 17.7 | ATL |
| XXXXX | 1.11 | John Danks | 12 | CHA |
| XXXXX | 1.1 | Andy Pettitte | 21.3 | NYA |
| XXXXX | 1.09 | Matt Cain | 19 | SFN |
| XXXXX | 1.01 | Doug Davis | 21 | ARI |
| XXXXX | 0.97 | Kyle Lohse | 21 | SLN |
| XXXXX | 0.94 | Aaron Harang | 20 | CIN |
| XXXXX | 0.87 | Zach Duke | 21.3 | PIT |
| XXXXX | 0.87 | Anibal Sanchez | 18 | MIA |
| XXXXX | 0.84 | Chad Billingsley | 19 | LAN |
| XXXXX | 0.84 | Josh Johnson | 21.7 | MIA |
_