| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jordan Zimmermann | DET | -3.72 | 201804190_BAL_DET |
| James Shields | CHA | -2.82 | 201804200_HOU_CHA |
| Matt Wisler | ATL | -2.6 | 201804190_NYN_ATL |
| Matt Harvey | NYN | -2.45 | 201804190_NYN_ATL |
| Chris Tillman | BAL | -2.45 | 201804210_CLE_BAL |
Based on accumulated WAA for this season up to 2018-04-21.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 2.4 | Sean Manaea | 36.7 | OAK |
| +003+ | 2.27 | Justin Verlander | 32.7 | HOU |
| +004+ | 2.05 | Max Scherzer | 33 | WAS |
| +005+ | 2.03 | Gerrit Cole | 28 | HOU |
| +008+ | 1.96 | Charlie Morton | 25 | HOU |
| +006+ | 1.96 | Carlos Martinez | 31.7 | SLN |
| +009+ | 1.96 | Dylan Bundy | 31.7 | BAL |
| +012+ | 1.7 | Johnny Cueto | 20 | SFN |
| +013+ | 1.68 | Corey Kluber | 29.7 | CLE |
| +015+ | 1.58 | Chad Bettis | 25 | COL |
| +016+ | 1.53 | Rick Porcello | 25.7 | BOS |
| +018+ | 1.5 | Jarlin Garcia | 21 | MIA |
| +019+ | 1.49 | Patrick Corbin | 27.3 | ARI |
| +021+ | 1.45 | Jose Berrios | 27.7 | MIN |
| +023+ | 1.42 | Chris Sale | 29 | BOS |
| +027+ | 1.35 | Jake Junis | 26.7 | KCA |
| +028+ | 1.31 | Mike Clevinger | 25.7 | CLE |
| +029+ | 1.29 | Aaron Nola | 31.3 | PHI |
| XXXXX | 1.19 | Matt Boyd | 19.3 | DET |
| XXXXX | 1.18 | Trevor Williams | 23.3 | PIT |
| XXXXX | 1.17 | Reynaldo Lopez | 19 | CHA |
| XXXXX | 1.08 | Jacob deGrom | 32 | NYN |
| XXXXX | 1.06 | Chris Stratton | 24.3 | SFN |
| XXXXX | 1.05 | Clayton Kershaw | 33 | LAN |
| XXXXX | 1.04 | Blake Snell | 28.3 | TBA |
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