| Starter | Tm | Tier | Game |
|---|---|---|---|
| Lucas Giolito | CHA | -7.08 | 201808140_CHA_DET |
| Jason Vargas | NYN | -5.32 | 201808140_NYN_BAL |
| Yovani Gallardo | TEX | -1.62 | 201808140_ARI_TEX |
| Sal Romano | CIN | -1.33 | 201808140_CLE_CIN |
| Jose Urena | MIA | -1.01 | 201808150_MIA_ATL |
Based on accumulated WAA for this season up to 2018-08-16.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 8.67 | Jacob deGrom | 159 | NYN |
| +003+ | 7.84 | Max Scherzer | 168.7 | WAS |
| +004+ | 7.43 | Trevor Bauer | 166 | CLE |
| +005+ | 7.31 | Chris Sale | 146 | BOS |
| +006+ | 6.66 | Aaron Nola | 154 | PHI |
| +008+ | 6.38 | Blake Snell | 133 | TBA |
| +009+ | 6.19 | Justin Verlander | 164.3 | HOU |
| +013+ | 5.73 | Corey Kluber | 168 | CLE |
| +016+ | 5.32 | Gerrit Cole | 159.7 | HOU |
| +020+ | 4.53 | Miles Mikolas | 151.3 | SLN |
| +021+ | 4.15 | Clayton Kershaw | 109.3 | LAN |
| +024+ | 4.06 | Zack Greinke | 156 | ARI |
| +025+ | 4 | Charlie Morton | 137.3 | HOU |
| +026+ | 3.97 | Kyle Freeland | 146 | COL |
| +029+ | 3.89 | Mike Foltynewicz | 132 | ATL |
| +035+ | 3.61 | Patrick Corbin | 155.7 | ARI |
| +039+ | 3.49 | Dereck Rodriguez | 80 | SFN |
| +054+ | 3.11 | Luis Severino | 154.3 | NYA |
| +061+ | 2.84 | Carlos Rodon | 80.3 | CHA |
| +063+ | 2.81 | Clay Buchholz | 73 | ARI |
| +068+ | 2.68 | Mike Clevinger | 151.7 | CLE |
| +071+ | 2.62 | Madison Bumgarner | 79.7 | SFN |
| +072+ | 2.56 | Dallas Keuchel | 155 | HOU |
| +073+ | 2.53 | Sean Manaea | 151.7 | OAK |
| +077+ | 2.49 | Michael Fiers | 130.3 | TOT |
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