| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ryan Vogelsong | SFN | -4.84 | 201505050_SDN_SFN |
| CC Sabathia | NYA | -3.18 | 201505060_NYA_TOR |
| Bud Norris | BAL | -2.88 | 201505050_BAL_NYN |
| Jordan Lyles | COL | -1.77 | 201505062_ARI_COL |
| Jerome Williams | PHI | -1.7 | 201505060_PHI_ATL |
Based on accumulated WAA for this season up to 2015-05-06.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 3.13 | Dallas Keuchel | 45 | HOU |
| +002+ | 2.24 | Nick Martinez | 32 | TEX |
| +003+ | 2.23 | Sonny Gray | 43 | OAK |
| +004+ | 2.17 | Zack Greinke | 40.3 | LAN |
| +006+ | 2.1 | Felix Hernandez | 41.7 | SEA |
| +009+ | 2.03 | Shelby Miller | 38 | ATL |
| +010+ | 2.01 | Chris Archer | 38.3 | TBA |
| +015+ | 1.84 | Max Scherzer | 42.7 | WAS |
| +018+ | 1.71 | A.J. Burnett | 31 | PIT |
| +023+ | 1.6 | Jake Odorizzi | 40.7 | TBA |
| +026+ | 1.51 | Aaron Harang | 38.3 | PHI |
| +028+ | 1.43 | Mike Leake | 43.7 | CIN |
| +029+ | 1.42 | Edinson Volquez | 34.3 | KCA |
| +031+ | 1.41 | Francisco Liriano | 32.3 | PIT |
| +033+ | 1.39 | Michael Wacha | 32.7 | SLN |
| +038+ | 1.34 | Anthony DeSclafani | 31 | CIN |
| +042+ | 1.28 | Gerrit Cole | 35.7 | PIT |
| XXXXX | 1.24 | Matt Harvey | 33.7 | NYN |
| XXXXX | 1.23 | Jesse Chavez | 25 | OAK |
| XXXXX | 1.17 | C.J. Wilson | 40 | ANA |
| XXXXX | 1.16 | Johnny Cueto | 43 | CIN |
| XXXXX | 1.12 | Chris Young | 17 | KCA |
| XXXXX | 1.11 | Jon Niese | 30 | NYN |
| XXXXX | 1.1 | Colby Lewis | 38 | TEX |
| XXXXX | 1.06 | Scott Kazmir | 39.3 | OAK |
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