| Starter | Tm | Tier | Game |
|---|---|---|---|
| Johan Santana | NYN | 10.7 | 200905110_ATL_NYN |
| Dan Haren | ARI | 9.16 | 200905120_CIN_ARI |
| Roy Halladay | TOR | 4.58 | 200905120_NYA_TOR |
| Jake Peavy | SDN | 4.27 | 200905120_SDN_CHN |
| Erik Bedard | SEA | 3.12 | 200905100_SEA_MIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jeremy Sowers | CLE | -3.27 | 200905120_CHA_CLE |
| Daniel Cabrera | WAS | -2.68 | 200905110_WAS_SFN |
| Livan Hernandez | NYN | -2.36 | 200905100_PIT_NYN |
| Vicente Padilla | TEX | -2.32 | 200905100_TEX_CHA |
| Mark Hendrickson | BAL | -1.88 | 200905120_TBA_BAL |
Based on accumulated WAA for this season up to 2009-05-12.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 4.97 | Zack Greinke | 53 | KCA |
| +003+ | 4 | Johan Santana | 46 | NYN |
| +006+ | 3.12 | Dan Haren | 56 | ARI |
| +007+ | 2.84 | Wandy Rodriguez | 45 | HOU |
| +009+ | 2.77 | Jair Jurrjens | 48 | ATL |
| +011+ | 2.63 | Johnny Cueto | 39.7 | CIN |
| +012+ | 2.45 | Josh Johnson | 50 | MIA |
| +013+ | 2.43 | Zach Duke | 50 | PIT |
| +014+ | 2.33 | Jered Weaver | 47.7 | ANA |
| +015+ | 2.3 | Edwin Jackson | 45 | DET |
| +016+ | 2.29 | Chad Billingsley | 47.7 | LAN |
| +018+ | 2.08 | Joe Saunders | 47.3 | ANA |
| +019+ | 2.04 | Roy Halladay | 61 | TOR |
| +021+ | 1.94 | Kevin Millwood | 52.3 | TEX |
| +022+ | 1.93 | Erik Bedard | 42.7 | SEA |
| +031+ | 1.73 | Brian Bannister | 24.3 | KCA |
| +036+ | 1.69 | Jarrod Washburn | 40.3 | SEA |
| +042+ | 1.61 | Aaron Harang | 46 | CIN |
| +044+ | 1.56 | Yovani Gallardo | 46.7 | MIL |
| +045+ | 1.55 | Randy Wolf | 42.7 | LAN |
| +047+ | 1.53 | Matt Cain | 45 | SFN |
| +053+ | 1.47 | Dallas Braden | 42 | OAK |
| +054+ | 1.46 | Tim Wakefield | 40 | BOS |
| +055+ | 1.44 | Chris Volstad | 42.3 | MIA |
| +066+ | 1.27 | Doug Davis | 44.3 | ARI |
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