| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jake Arrieta | PHI | 3.85 | 201804300_PHI_MIA |
| Carlos Carrasco | CLE | 3.78 | 201804280_SEA_CLE |
| Johnny Cueto | SFN | 3.18 | 201804282_LAN_SFN |
| J.A. Happ | TOR | 1.69 | 201804290_TEX_TOR |
| Jon Lester | CHN | 1.45 | 201804300_COL_CHN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jordan Zimmermann | DET | -4.38 | 201804300_TBA_DET |
| Martin Perez | TEX | -3.59 | 201804290_TEX_TOR |
| Josh Tomlin | CLE | -2.36 | 201804290_SEA_CLE |
| Eric Skoglund | KCA | -1.55 | 201804282_CHA_KCA |
| Sonny Gray | NYA | -1.36 | 201804300_NYA_HOU |
Based on accumulated WAA for this season up to 2018-04-30.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 3.17 | Sean Manaea | 43.7 | OAK |
| +003+ | 2.57 | Justin Verlander | 39.7 | HOU |
| +004+ | 2.46 | Johnny Cueto | 32 | SFN |
| +007+ | 2.34 | Gerrit Cole | 41.7 | HOU |
| +008+ | 2.31 | Carlos Martinez | 37.7 | SLN |
| +009+ | 2.29 | Max Scherzer | 39 | WAS |
| +011+ | 2.07 | Charlie Morton | 36.7 | HOU |
| +013+ | 1.96 | Corey Kluber | 45.3 | CLE |
| +016+ | 1.79 | Jacob deGrom | 39.3 | NYN |
| +018+ | 1.72 | Rick Porcello | 40.3 | BOS |
| +019+ | 1.7 | Patrick Corbin | 40 | ARI |
| +020+ | 1.7 | Junior Guerra | 22 | MIL |
| +021+ | 1.65 | Reynaldo Lopez | 30.3 | CHA |
| +022+ | 1.56 | Chad Bettis | 37 | COL |
| +024+ | 1.5 | Trevor Williams | 35.3 | PIT |
| +026+ | 1.49 | Trevor Bauer | 40.3 | CLE |
| +030+ | 1.45 | CC Sabathia | 26.3 | NYA |
| +031+ | 1.42 | Chris Sale | 35 | BOS |
| +034+ | 1.37 | Blake Snell | 35.7 | TBA |
| +040+ | 1.36 | Aaron Nola | 38.3 | PHI |
| +047+ | 1.29 | Luis Severino | 38 | NYA |
| XXXXX | 1.18 | Hyun-Jin Ryu | 28.3 | LAN |
| XXXXX | 1.14 | Gio Gonzalez | 33.7 | WAS |
| XXXXX | 1.11 | Mike Foltynewicz | 32 | ATL |
| XXXXX | 1.1 | Mike Clevinger | 31.7 | CLE |
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