| Starter | Tm | Tier | Game |
|---|---|---|---|
| Martin Perez | TEX | -3.77 | 201804220_SEA_TEX |
| James Shields | CHA | -2.82 | 201804200_HOU_CHA |
| Chris Tillman | BAL | -2.45 | 201804210_CLE_BAL |
| Derek Holland | SFN | -2.42 | 201804210_SFN_ANA |
| Kyle Gibson | MIN | -2.09 | 201804210_MIN_TBA |
Based on accumulated WAA for this season up to 2018-04-22.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 2.4 | Sean Manaea | 36.7 | OAK |
| +004+ | 2.27 | Justin Verlander | 32.7 | HOU |
| +003+ | 2.27 | Johnny Cueto | 26 | SFN |
| +005+ | 2.07 | Max Scherzer | 33 | WAS |
| +006+ | 2.04 | Gerrit Cole | 28 | HOU |
| +007+ | 1.97 | Carlos Martinez | 31.7 | SLN |
| +008+ | 1.96 | Charlie Morton | 25 | HOU |
| +009+ | 1.96 | Dylan Bundy | 31.7 | BAL |
| +013+ | 1.7 | Corey Kluber | 36.7 | CLE |
| +014+ | 1.63 | Patrick Corbin | 33.3 | ARI |
| +016+ | 1.58 | Chad Bettis | 25 | COL |
| +017+ | 1.55 | Rick Porcello | 25.7 | BOS |
| +020+ | 1.51 | Jarlin Garcia | 21 | MIA |
| +021+ | 1.48 | Jose Berrios | 27.7 | MIN |
| +022+ | 1.44 | Chris Sale | 29 | BOS |
| +023+ | 1.43 | Reynaldo Lopez | 24 | CHA |
| +028+ | 1.35 | Jake Junis | 26.7 | KCA |
| +031+ | 1.32 | Mike Clevinger | 25.7 | CLE |
| +032+ | 1.31 | Trevor Williams | 29.3 | PIT |
| +035+ | 1.28 | Junior Guerra | 16 | MIL |
| +037+ | 1.26 | Aaron Nola | 31.3 | PHI |
| XXXXX | 1.2 | Luis Severino | 31 | NYA |
| XXXXX | 1.08 | Jacob deGrom | 32 | NYN |
| XXXXX | 1.07 | Chris Stratton | 24.3 | SFN |
| XXXXX | 1.06 | Clayton Kershaw | 33 | LAN |
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