| Starter | Tm | Tier | Game |
|---|---|---|---|
| Lucas Giolito | CHA | -5.79 | 201808300_BOS_CHA |
| Homer Bailey | CIN | -3.97 | 201808310_CIN_SLN |
| Dylan Bundy | BAL | -2.74 | 201809010_BAL_KCA |
| Yovani Gallardo | TEX | -1.82 | 201809010_MIN_TEX |
| Marco Estrada | TOR | -1.68 | 201809010_TOR_MIA |
Based on accumulated WAA for this season up to 2018-09-01.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 10.34 | Jacob deGrom | 182 | NYN |
| +003+ | 8.48 | Max Scherzer | 186.7 | WAS |
| +004+ | 8.33 | Aaron Nola | 176 | PHI |
| +005+ | 7.54 | Blake Snell | 151.7 | TBA |
| +011+ | 5.84 | Corey Kluber | 186.7 | CLE |
| +015+ | 5.65 | Justin Verlander | 181 | HOU |
| +016+ | 5.14 | Clayton Kershaw | 131.3 | LAN |
| +023+ | 4.8 | Kyle Freeland | 164.3 | COL |
| +024+ | 4.71 | Zack Greinke | 176 | ARI |
| +025+ | 4.63 | Mike Foltynewicz | 151 | ATL |
| +026+ | 4.52 | Miles Mikolas | 167 | SLN |
| +027+ | 4.48 | Patrick Corbin | 173.7 | ARI |
| +030+ | 4.15 | Clay Buchholz | 87 | ARI |
| +035+ | 3.84 | Mike Clevinger | 170.3 | CLE |
| +038+ | 3.79 | Jack Flaherty | 122.3 | SLN |
| +045+ | 3.49 | Charlie Morton | 152 | HOU |
| +047+ | 3.44 | Dereck Rodriguez | 91 | SFN |
| +054+ | 3.31 | Madison Bumgarner | 100.7 | SFN |
| +061+ | 3.17 | Luis Severino | 171 | NYA |
| +063+ | 3.01 | Carlos Rodon | 99.7 | CHA |
| +070+ | 2.88 | Trevor Williams | 142 | PIT |
| +071+ | 2.87 | Anibal Sanchez | 108.7 | ATL |
| +077+ | 2.8 | Zack Wheeler | 160.3 | NYN |
| +078+ | 2.78 | Michael Fiers | 146.7 | TOT |
| +080+ | 2.75 | Carlos Carrasco | 154.7 | CLE |
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