| Starter | Tm | Tier | Game |
|---|---|---|---|
| Kyle Kendrick | COL | -8.01 | 201505220_SFN_COL |
| Drew Hutchison | TOR | -2.98 | 201505200_ANA_TOR |
| John Danks | CHA | -2.97 | 201505210_CLE_CHA |
| Jerome Williams | PHI | -2.91 | 201505210_PHI_COL |
| Ryan Vogelsong | SFN | -2.7 | 201505220_SFN_COL |
Based on accumulated WAA for this season up to 2015-05-22.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 3.5 | Zack Greinke | 61 | LAN |
| +003+ | 3.42 | Max Scherzer | 64.7 | WAS |
| +004+ | 3.31 | Shelby Miller | 54 | ATL |
| +005+ | 3.25 | Dallas Keuchel | 64.7 | HOU |
| +007+ | 3.03 | Aaron Harang | 59.3 | PHI |
| +009+ | 2.92 | A.J. Burnett | 52 | PIT |
| +010+ | 2.86 | Sonny Gray | 61 | OAK |
| +015+ | 2.51 | Chris Young | 34.7 | KCA |
| +014+ | 2.51 | Matt Harvey | 54.7 | NYN |
| +016+ | 2.43 | Felix Hernandez | 61.7 | SEA |
| +017+ | 2.32 | Gerrit Cole | 57 | PIT |
| +019+ | 2.23 | Nick Martinez | 48 | TEX |
| +022+ | 2.12 | Chris Archer | 60 | TBA |
| +023+ | 2.06 | Jake Odorizzi | 59.3 | TBA |
| +026+ | 1.99 | Tim Lincecum | 47.7 | SFN |
| +028+ | 1.96 | Michael Wacha | 50.7 | SLN |
| +029+ | 1.88 | Hector Santiago | 48 | ANA |
| +040+ | 1.63 | Alfredo Simon | 57.3 | DET |
| +048+ | 1.55 | Jacob deGrom | 55.7 | NYN |
| +051+ | 1.42 | Chase Anderson | 49.7 | ARI |
| +052+ | 1.39 | Jason Hammel | 53.3 | CHN |
| +053+ | 1.37 | Johnny Cueto | 65.3 | CIN |
| +055+ | 1.36 | Madison Bumgarner | 57 | SFN |
| +061+ | 1.32 | Edinson Volquez | 49.3 | KCA |
| +062+ | 1.3 | Andrew Cashner | 56 | SDN |
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