| Starter | Tm | Tier | Game |
|---|---|---|---|
| Corey Kluber | CLE | 7.8 | 201804220_CLE_BAL |
| Johnny Cueto | SFN | 2.46 | 201804220_SFN_ANA |
| Rick Porcello | BOS | 1.24 | 201804240_BOS_TOR |
| J.A. Happ | TOR | 1.23 | 201804240_BOS_TOR |
| Charlie Morton | HOU | 1.17 | 201804240_ANA_HOU |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Martin Perez | TEX | -3.77 | 201804220_SEA_TEX |
| Josh Tomlin | CLE | -1.54 | 201804240_CHN_CLE |
| Phil Hughes | MIN | -1.34 | 201804220_MIN_TBA |
| Marco Gonzales | SEA | -1.32 | 201804240_SEA_CHA |
| Eric Skoglund | KCA | -1.19 | 201804220_KCA_DET |
Based on accumulated WAA for this season up to 2018-04-24.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 2.43 | Sean Manaea | 36.7 | OAK |
| +004+ | 2.31 | Gerrit Cole | 35 | HOU |
| +005+ | 2.29 | Justin Verlander | 32.7 | HOU |
| +006+ | 2.29 | Johnny Cueto | 26 | SFN |
| +007+ | 2.12 | Max Scherzer | 33 | WAS |
| +008+ | 1.98 | Dylan Bundy | 31.7 | BAL |
| +009+ | 1.97 | Carlos Martinez | 31.7 | SLN |
| +010+ | 1.89 | Jarlin Garcia | 27 | MIA |
| +012+ | 1.73 | Corey Kluber | 36.7 | CLE |
| +013+ | 1.65 | Patrick Corbin | 33.3 | ARI |
| +015+ | 1.59 | Rick Porcello | 32.7 | BOS |
| +020+ | 1.52 | Charlie Morton | 29 | HOU |
| +023+ | 1.46 | Chris Sale | 29 | BOS |
| +025+ | 1.45 | Reynaldo Lopez | 24 | CHA |
| +028+ | 1.37 | Carlos Carrasco | 35 | CLE |
| +029+ | 1.36 | Jake Junis | 26.7 | KCA |
| +030+ | 1.34 | Mike Clevinger | 25.7 | CLE |
| +031+ | 1.33 | Trevor Williams | 29.3 | PIT |
| +037+ | 1.3 | Junior Guerra | 16 | MIL |
| +035+ | 1.3 | Chris Stratton | 31 | SFN |
| +039+ | 1.28 | Aaron Nola | 31.3 | PHI |
| XXXXX | 1.24 | Chad Bettis | 30 | COL |
| XXXXX | 1.23 | Luis Severino | 31 | NYA |
| XXXXX | 1.1 | Clayton Kershaw | 33 | LAN |
| XXXXX | 1.09 | Jacob deGrom | 32 | NYN |
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