| Starter | Tm | Tier | Game |
|---|---|---|---|
| Homer Bailey | CIN | -5.37 | 201805280_CIN_ARI |
| Jason Hammel | KCA | -2.3 | 201805270_KCA_TEX |
| James Shields | CHA | -2.24 | 201805270_CHA_DET |
| Jaime Garcia | TOR | -2.15 | 201805260_TOR_PHI |
| Alex Cobb | BAL | -1.97 | 201805280_WAS_BAL |
Based on accumulated WAA for this season up to 2018-05-28.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 5.61 | Justin Verlander | 81.3 | HOU |
| +003+ | 3.85 | Jacob deGrom | 65.3 | NYN |
| +004+ | 3.5 | Gerrit Cole | 74.7 | HOU |
| +005+ | 3.34 | Corey Kluber | 78.7 | CLE |
| +007+ | 3.21 | Max Scherzer | 71.7 | WAS |
| +009+ | 3.03 | Aaron Nola | 71.3 | PHI |
| +011+ | 2.94 | Gio Gonzalez | 64.3 | WAS |
| +012+ | 2.92 | Luis Severino | 71 | NYA |
| +014+ | 2.9 | Charlie Morton | 61.7 | HOU |
| +016+ | 2.8 | Patrick Corbin | 69.3 | ARI |
| +023+ | 2.33 | Trevor Bauer | 72.3 | CLE |
| +029+ | 2.2 | Ross Stripling | 41.3 | LAN |
| +030+ | 2.19 | Chris Sale | 75 | BOS |
| +032+ | 2.16 | Jon Lester | 57 | CHN |
| +033+ | 2.16 | Miles Mikolas | 66.3 | SLN |
| +036+ | 2.1 | Mike Foltynewicz | 60 | ATL |
| +044+ | 1.96 | Jake Arrieta | 51.3 | PHI |
| +046+ | 1.95 | Blake Snell | 64.7 | TBA |
| +052+ | 1.82 | Daniel Mengden | 66.3 | OAK |
| +051+ | 1.82 | Trevor Cahill | 44 | OAK |
| +058+ | 1.74 | Walker Buehler | 41 | LAN |
| +060+ | 1.72 | Reynaldo Lopez | 61.3 | CHA |
| +062+ | 1.69 | Sean Newcomb | 55.7 | ATL |
| +063+ | 1.69 | Matt Boyd | 57 | DET |
| +072+ | 1.57 | James Paxton | 69.7 | SEA |
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