| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dan Haren | ARI | 6.9 | 200904220_COL_ARI |
| CC Sabathia | NYA | 6.26 | 200904220_OAK_NYA |
| Jake Peavy | SDN | 5.74 | 200904210_SDN_SFN |
| Roy Halladay | TOR | 4.69 | 200904210_TEX_TOR |
| Chad Billingsley | LAN | 4.47 | 200904230_LAN_HOU |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Adam Eaton | BAL | -5.83 | 200904230_CHA_BAL |
| Barry Zito | SFN | -2.44 | 200904220_SDN_SFN |
| Livan Hernandez | NYN | -2.34 | 200904230_NYN_SLN |
| Jose Contreras | CHA | -2.18 | 200904210_CHA_BAL |
| Jorge De La Rosa | COL | -2.08 | 200904220_COL_ARI |
Based on accumulated WAA for this season up to 2009-04-23.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 2.17 | Zack Greinke | 20 | KCA |
| +004+ | 1.95 | Johan Santana | 19.7 | NYN |
| +005+ | 1.92 | Dan Haren | 26 | ARI |
| +006+ | 1.91 | Jair Jurrjens | 25.3 | ATL |
| +007+ | 1.76 | Glen Perkins | 24 | MIN |
| +008+ | 1.73 | Kevin Millwood | 30 | TEX |
| +009+ | 1.65 | Aaron Harang | 27 | CIN |
| +010+ | 1.64 | John Danks | 19 | CHA |
| +011+ | 1.64 | Wandy Rodriguez | 25 | HOU |
| +012+ | 1.62 | Chad Billingsley | 26.3 | LAN |
| +013+ | 1.61 | Paul Maholm | 26.7 | PIT |
| +018+ | 1.38 | Jarrod Washburn | 21 | SEA |
| +021+ | 1.29 | Ricky Romero | 21 | TOR |
| +022+ | 1.29 | Gil Meche | 27.3 | KCA |
| XXXXX | 1.25 | Kyle Lohse | 26 | SLN |
| XXXXX | 1.2 | Erik Bedard | 19.3 | SEA |
| XXXXX | 1.17 | Edwin Jackson | 26 | DET |
| XXXXX | 1.17 | Armando Galarraga | 18.3 | DET |
| XXXXX | 1.1 | Tim Wakefield | 22 | BOS |
| XXXXX | 1.03 | Matt Cain | 19 | SFN |
| XXXXX | 1.01 | Braden Looper | 17 | MIL |
| XXXXX | 0.97 | Andy Pettitte | 21.3 | NYA |
| XXXXX | 0.97 | Doug Davis | 21 | ARI |
| XXXXX | 0.89 | Ted Lilly | 18.7 | CHN |
| XXXXX | 0.86 | Felix Hernandez | 26 | SEA |
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