| Starter | Tm | Tier | Game |
|---|---|---|---|
| Johan Santana | NYN | 10.7 | 200905110_ATL_NYN |
| Zack Greinke | KCA | 6.88 | 200905090_KCA_ANA |
| Erik Bedard | SEA | 3.12 | 200905100_SEA_MIN |
| Roy Oswalt | HOU | 2.92 | 200905100_SDN_HOU |
| Tim Lincecum | SFN | 2.78 | 200905100_SFN_LAN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Adam Eaton | BAL | -4.91 | 200905090_NYA_BAL |
| Daniel Cabrera | WAS | -2.68 | 200905110_WAS_SFN |
| Livan Hernandez | NYN | -2.36 | 200905100_PIT_NYN |
| Vicente Padilla | TEX | -2.32 | 200905100_TEX_CHA |
| Bronson Arroyo | CIN | -1.47 | 200905110_CIN_ARI |
Based on accumulated WAA for this season up to 2009-05-11.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 4.96 | Zack Greinke | 53 | KCA |
| +003+ | 4.02 | Johan Santana | 46 | NYN |
| +006+ | 3.02 | Dan Haren | 49 | ARI |
| +008+ | 2.83 | Wandy Rodriguez | 45 | HOU |
| +009+ | 2.63 | Johnny Cueto | 39.7 | CIN |
| +010+ | 2.43 | Josh Johnson | 50 | MIA |
| +011+ | 2.39 | Jair Jurrjens | 40.3 | ATL |
| +012+ | 2.29 | Edwin Jackson | 45 | DET |
| +014+ | 2.28 | Chad Billingsley | 47.7 | LAN |
| +016+ | 2.09 | Joe Saunders | 47.3 | ANA |
| +019+ | 1.94 | Kevin Millwood | 52.3 | TEX |
| +020+ | 1.92 | Erik Bedard | 42.7 | SEA |
| +027+ | 1.8 | Jered Weaver | 40.7 | ANA |
| +029+ | 1.79 | Zach Duke | 42 | PIT |
| +033+ | 1.73 | Brian Bannister | 24.3 | KCA |
| +032+ | 1.73 | Mark Buehrle | 38 | CHA |
| +036+ | 1.68 | Jarrod Washburn | 40.3 | SEA |
| +037+ | 1.65 | Matt Cain | 38 | SFN |
| +040+ | 1.61 | Aaron Harang | 46 | CIN |
| +042+ | 1.57 | Yovani Gallardo | 46.7 | MIL |
| +044+ | 1.54 | Randy Wolf | 42.7 | LAN |
| +051+ | 1.47 | Tim Wakefield | 40 | BOS |
| +052+ | 1.47 | Dallas Braden | 42 | OAK |
| +054+ | 1.43 | Chris Volstad | 42.3 | MIA |
| +060+ | 1.33 | Roy Halladay | 52 | TOR |
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