| Starter | Tm | Tier | Game |
|---|---|---|---|
| Matt Moore | TEX | -2.63 | 201804170_TEX_TBA |
| Adam Wainwright | SLN | -1.91 | 201804170_SLN_CHN |
| Homer Bailey | CIN | -1.59 | 201804150_SLN_CIN |
| Francisco Liriano | DET | -1.42 | 201804170_BAL_DET |
| Daniel Mengden | OAK | -1.42 | 201804160_CHA_OAK |
Based on accumulated WAA for this season up to 2018-04-17.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +004+ | 1.69 | Corey Kluber | 29.7 | CLE |
| +006+ | 1.64 | Johnny Cueto | 20 | SFN |
| +007+ | 1.63 | Justin Verlander | 26.7 | HOU |
| +008+ | 1.6 | Max Scherzer | 27 | WAS |
| +009+ | 1.56 | Sean Manaea | 27.7 | OAK |
| +010+ | 1.51 | Chad Bettis | 25 | COL |
| +011+ | 1.5 | Dylan Bundy | 25.7 | BAL |
| +012+ | 1.44 | Jameson Taillon | 20.3 | PIT |
| +013+ | 1.42 | Patrick Corbin | 27.3 | ARI |
| +014+ | 1.4 | Jarlin Garcia | 21 | MIA |
| +015+ | 1.32 | Chris Sale | 22 | BOS |
| +016+ | 1.32 | Gerrit Cole | 21 | HOU |
| +017+ | 1.31 | Carlos Martinez | 25.7 | SLN |
| +019+ | 1.29 | Ian Kennedy | 18 | KCA |
| XXXXX | 1.25 | Charlie Morton | 18 | HOU |
| XXXXX | 1.18 | Clayton Kershaw | 26 | LAN |
| XXXXX | 1.18 | Reynaldo Lopez | 19 | CHA |
| XXXXX | 1.12 | Bartolo Colon | 18.7 | TEX |
| XXXXX | 1.11 | Joey Lucchesi | 21.7 | SDN |
| XXXXX | 1.08 | Trevor Williams | 23.3 | PIT |
| XXXXX | 0.96 | Aaron Nola | 24.3 | PHI |
| XXXXX | 0.93 | Jake Junis | 18.7 | KCA |
| XXXXX | 0.91 | Rick Porcello | 19.7 | BOS |
| XXXXX | 0.86 | Jose Berrios | 20.7 | MIN |
| XXXXX | 0.84 | Anibal Sanchez | 14 | ATL |
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