| Starter | Tm | Tier | Game |
|---|---|---|---|
| Corey Kluber | CLE | 7.81 | 201805080_CLE_MIL |
| Carlos Martinez | SLN | 6.63 | 201805080_MIN_SLN |
| Gerrit Cole | HOU | 1.91 | 201805090_HOU_OAK |
| Luis Severino | NYA | 1.83 | 201805080_BOS_NYA |
| Rick Porcello | BOS | 1.73 | 201805090_BOS_NYA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Chris Tillman | BAL | -3.53 | 201805100_KCA_BAL |
| Derek Holland | SFN | -3.2 | 201805080_SFN_PHI |
| Wade Miley | MIL | -2.31 | 201805080_CLE_MIL |
| Mike Fiers | DET | -1.82 | 201805080_DET_TEX |
| Eric Skoglund | KCA | -1.58 | 201805090_KCA_BAL |
Based on accumulated WAA for this season up to 2018-05-10.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 3.72 | Justin Verlander | 53.7 | HOU |
| +002+ | 3.6 | Gerrit Cole | 56.7 | HOU |
| +005+ | 2.86 | Max Scherzer | 51.7 | WAS |
| +007+ | 2.77 | Carlos Martinez | 50 | SLN |
| +008+ | 2.6 | Sean Manaea | 55.3 | OAK |
| +009+ | 2.55 | Aaron Nola | 52.7 | PHI |
| +012+ | 2.34 | Chris Sale | 49 | BOS |
| +013+ | 2.32 | Luis Severino | 53 | NYA |
| +014+ | 2.29 | Patrick Corbin | 51 | ARI |
| +015+ | 2.23 | Chad Bettis | 44 | COL |
| +026+ | 1.98 | Gio Gonzalez | 44.7 | WAS |
| +025+ | 1.98 | Blake Snell | 48.7 | TBA |
| +029+ | 1.93 | Charlie Morton | 41.7 | HOU |
| +030+ | 1.93 | Corey Kluber | 58.3 | CLE |
| +035+ | 1.77 | Reynaldo Lopez | 44.3 | CHA |
| +038+ | 1.63 | Trevor Bauer | 46.3 | CLE |
| +040+ | 1.62 | Miles Mikolas | 46.7 | SLN |
| +042+ | 1.57 | CC Sabathia | 36.3 | NYA |
| +044+ | 1.54 | Rick Porcello | 51.7 | BOS |
| +058+ | 1.36 | Mike Clevinger | 45.7 | CLE |
| XXXXX | 1.23 | Walker Buehler | 22 | LAN |
| XXXXX | 1.23 | Jarlin Garcia | 37 | MIA |
| XXXXX | 1.19 | Jeremy Hellickson | 27.7 | WAS |
| XXXXX | 1.15 | Ross Stripling | 23.3 | LAN |
| XXXXX | 1.15 | Joey Lucchesi | 42.3 | SDN |
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