| Starter | Tm | Tier | Game |
|---|---|---|---|
| Johan Santana | NYN | 11.52 | 200905160_NYN_SFN |
| Roy Halladay | TOR | 5.49 | 200905170_CHA_TOR |
| Jake Peavy | SDN | 3.77 | 200905170_CIN_SDN |
| Roy Oswalt | HOU | 2.42 | 200905160_HOU_CHN |
| Matt Cain | SFN | 2.42 | 200905170_NYN_SFN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Andy Sonnanstine | TBA | -3.23 | 200905170_CLE_TBA |
| Daniel Cabrera | WAS | -2.52 | 200905162_PHI_WAS |
| Andrew Miller | MIA | -1.95 | 200905160_LAN_MIA |
| Bronson Arroyo | CIN | -1.88 | 200905170_CIN_SDN |
| Luke Hochevar | KCA | -1.72 | 200905170_BAL_KCA |
Based on accumulated WAA for this season up to 2009-05-18.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 5.59 | Zack Greinke | 60 | KCA |
| +002+ | 3.9 | Johan Santana | 53 | NYN |
| +005+ | 3.23 | Wandy Rodriguez | 52 | HOU |
| +006+ | 3.2 | Dan Haren | 56 | ARI |
| +009+ | 2.85 | Chad Billingsley | 54.7 | LAN |
| +010+ | 2.84 | Edwin Jackson | 52 | DET |
| +012+ | 2.78 | Jair Jurrjens | 48 | ATL |
| +013+ | 2.73 | Johnny Cueto | 46.7 | CIN |
| +015+ | 2.66 | Roy Halladay | 68 | TOR |
| +016+ | 2.61 | Jered Weaver | 55.7 | ANA |
| +017+ | 2.55 | Josh Johnson | 54 | MIA |
| +020+ | 2.39 | Zach Duke | 57 | PIT |
| +019+ | 2.39 | Randy Wolf | 56.3 | LAN |
| +021+ | 2.22 | Matt Cain | 51 | SFN |
| +022+ | 2.18 | Kevin Millwood | 58.3 | TEX |
| +029+ | 2.07 | Cliff Lee | 54 | CLE |
| +034+ | 1.95 | Brian Bannister | 30 | KCA |
| +044+ | 1.75 | Mark Buehrle | 45 | CHA |
| +050+ | 1.62 | Yovani Gallardo | 46.7 | MIL |
| +056+ | 1.55 | Doug Davis | 50.3 | ARI |
| +064+ | 1.47 | Jorge de la Rosa | 42.7 | COL |
| +067+ | 1.44 | Matt Garza | 54 | TBA |
| +076+ | 1.36 | Paul Maholm | 51.3 | PIT |
| +080+ | 1.33 | Ted Lilly | 44 | CHN |
| +082+ | 1.32 | Chris Volstad | 48.3 | MIA |
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