| Starter | Tm | Tier | Game |
|---|---|---|---|
| Matt Moore | TEX | -5.43 | 201805300_TEX_SEA |
| Lucas Giolito | CHA | -3.17 | 201805290_CHA_CLE |
| Derek Holland | SFN | -1.89 | 201805300_SFN_COL |
| Jason Vargas | NYN | -1.8 | 201805300_NYN_ATL |
| Mike Fiers | DET | -1.51 | 201805300_ANA_DET |
Based on accumulated WAA for this season up to 2018-05-31.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 5.63 | Justin Verlander | 81.3 | HOU |
| +003+ | 4 | Max Scherzer | 79.7 | WAS |
| +004+ | 3.93 | Corey Kluber | 84.7 | CLE |
| +005+ | 3.88 | Jacob deGrom | 65.3 | NYN |
| +006+ | 3.53 | Gerrit Cole | 74.7 | HOU |
| +007+ | 3.52 | Aaron Nola | 78.3 | PHI |
| +010+ | 3.17 | Luis Severino | 78 | NYA |
| +011+ | 2.97 | Gio Gonzalez | 64.3 | WAS |
| +015+ | 2.86 | Charlie Morton | 67.7 | HOU |
| +019+ | 2.66 | Ross Stripling | 48.3 | LAN |
| +020+ | 2.65 | Jake Arrieta | 58.3 | PHI |
| +021+ | 2.52 | Blake Snell | 70.3 | TBA |
| +025+ | 2.35 | Trevor Bauer | 72.3 | CLE |
| +032+ | 2.23 | Chris Sale | 75 | BOS |
| +034+ | 2.2 | Miles Mikolas | 66.3 | SLN |
| +036+ | 2.13 | Patrick Corbin | 75.3 | ARI |
| +043+ | 1.96 | Daniel Mengden | 74.3 | OAK |
| +045+ | 1.95 | Sean Newcomb | 62.7 | ATL |
| +050+ | 1.92 | Jon Lester | 63 | CHN |
| +053+ | 1.89 | Michael Wacha | 63 | SLN |
| +055+ | 1.84 | Trevor Cahill | 44 | OAK |
| +056+ | 1.82 | Junior Guerra | 54.3 | MIL |
| +060+ | 1.78 | Jeremy Hellickson | 43 | WAS |
| +063+ | 1.76 | Walker Buehler | 41 | LAN |
| +068+ | 1.7 | Matt Boyd | 57 | DET |
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