| Starter | Tm | Tier | Game |
|---|---|---|---|
| Tim Lincecum | SFN | 8.45 | 201005040_SFN_MIA |
| Johan Santana | NYN | 5.58 | 201005020_NYN_PHI |
| CC Sabathia | NYA | 4.94 | 201005030_BAL_NYA |
| Adam Wainwright | SLN | 4.69 | 201005040_SLN_PHI |
| Zack Greinke | KCA | 4.46 | 201005020_KCA_TBA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Luke Hochevar | KCA | -4.38 | 201005040_KCA_CHA |
| Aaron Harang | CIN | -1.66 | 201005020_CIN_SLN |
| Felipe Paulino | HOU | -1.17 | 201005030_ARI_HOU |
| Dontrelle Willis | DET | -1.04 | 201005040_DET_MIN |
| Oliver Perez | NYN | -0.9 | 201005030_NYN_CIN |
Based on accumulated WAA for this season up to 2010-05-04.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 3.19 | Ubaldo Jimenez | 41.3 | COL |
| +002+ | 3.13 | Roy Halladay | 49 | PHI |
| +003+ | 2.71 | Livan Hernandez | 36.3 | WAS |
| +004+ | 2.37 | Doug Fister | 35 | SEA |
| +005+ | 2.35 | Tim Lincecum | 42.3 | SFN |
| +006+ | 2.26 | Adam Wainwright | 46 | SLN |
| +008+ | 2.22 | Francisco Liriano | 36 | MIN |
| +009+ | 2.21 | A.J. Burnett | 40.7 | NYA |
| +010+ | 2.19 | Jaime Garcia | 32 | SLN |
| +012+ | 2.1 | Barry Zito | 35.3 | SFN |
| +014+ | 2.02 | Brad Penny | 34.7 | SLN |
| +017+ | 1.9 | C.J. Wilson | 32.7 | TEX |
| +019+ | 1.88 | John Danks | 34 | CHA |
| +021+ | 1.76 | Zack Greinke | 39.7 | KCA |
| +022+ | 1.75 | Andy Pettitte | 34 | NYA |
| +024+ | 1.73 | Hiroki Kuroda | 34.7 | LAN |
| +025+ | 1.73 | Jon Garland | 35 | SDN |
| +028+ | 1.68 | Phil Hughes | 25 | NYA |
| +029+ | 1.67 | Roy Oswalt | 40 | HOU |
| +030+ | 1.65 | Matt Garza | 35 | TBA |
| +032+ | 1.64 | Wade LeBlanc | 23.3 | SDN |
| +034+ | 1.57 | C.C. Sabathia | 42.7 | NYA |
| +040+ | 1.46 | Tommy Hanson | 29 | ATL |
| +042+ | 1.41 | David Price | 34.7 | TBA |
| +048+ | 1.32 | Ryan Dempster | 42.7 | CHN |
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