| Starter | Tm | Tier | Game |
|---|---|---|---|
| Kyle Kendrick | COL | -8.01 | 201505220_SFN_COL |
| John Danks | CHA | -2.97 | 201505210_CLE_CHA |
| Jerome Williams | PHI | -2.91 | 201505210_PHI_COL |
| Ryan Vogelsong | SFN | -2.7 | 201505220_SFN_COL |
| CC Sabathia | NYA | -2.54 | 201505230_TEX_NYA |
Based on accumulated WAA for this season up to 2015-05-23.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 3.49 | Zack Greinke | 61 | LAN |
| +003+ | 3.41 | Max Scherzer | 64.7 | WAS |
| +004+ | 3.41 | Shelby Miller | 60 | ATL |
| +005+ | 3.33 | A.J. Burnett | 59 | PIT |
| +006+ | 3.25 | Dallas Keuchel | 64.7 | HOU |
| +009+ | 3.02 | Aaron Harang | 59.3 | PHI |
| +010+ | 2.85 | Sonny Gray | 61 | OAK |
| +013+ | 2.53 | Chris Young | 34.7 | KCA |
| +015+ | 2.44 | Nick Martinez | 55 | TEX |
| +016+ | 2.42 | Felix Hernandez | 61.7 | SEA |
| +018+ | 2.31 | Gerrit Cole | 57 | PIT |
| +021+ | 2.11 | Chris Archer | 60 | TBA |
| +024+ | 2.05 | Jake Odorizzi | 59.3 | TBA |
| +025+ | 2 | Michael Wacha | 50.7 | SLN |
| +026+ | 1.99 | Tim Lincecum | 47.7 | SFN |
| +029+ | 1.9 | Mike Bolsinger | 25.3 | LAN |
| +030+ | 1.89 | Hector Santiago | 48 | ANA |
| +041+ | 1.62 | Alfredo Simon | 57.3 | DET |
| +046+ | 1.57 | Cole Hamels | 66.3 | PHI |
| +048+ | 1.56 | Jacob deGrom | 55.7 | NYN |
| +051+ | 1.47 | Edinson Volquez | 55.3 | KCA |
| +053+ | 1.42 | Chase Anderson | 49.7 | ARI |
| +054+ | 1.41 | Matt Harvey | 58.7 | NYN |
| +057+ | 1.39 | Jason Hammel | 53.3 | CHN |
| +059+ | 1.38 | Johnny Cueto | 65.3 | CIN |
_