| Starter | Tm | Tier | Game |
|---|---|---|---|
| Carlos Carrasco | CLE | 2.65 | 201805031_TOR_CLE |
| J.A. Happ | TOR | 1.79 | 201805040_TOR_TBA |
| Sean Manaea | OAK | 1.7 | 201805030_OAK_SEA |
| Rick Porcello | BOS | 1.32 | 201805040_BOS_TEX |
| Charlie Morton | HOU | 1.18 | 201805050_HOU_ARI |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Josh Tomlin | CLE | -3.14 | 201805040_CLE_NYA |
| Jordan Zimmermann | DET | -2.91 | 201805050_DET_KCA |
| Chris Tillman | BAL | -1.8 | 201805030_BAL_ANA |
| Sonny Gray | NYA | -1.13 | 201805050_CLE_NYA |
| Mike Leake | SEA | -1.11 | 201805040_ANA_SEA |
Based on accumulated WAA for this season up to 2018-05-05.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 3.34 | Justin Verlander | 47.7 | HOU |
| +003+ | 3.21 | Gerrit Cole | 50.7 | HOU |
| +004+ | 2.89 | Sean Manaea | 49.7 | OAK |
| +005+ | 2.78 | Carlos Martinez | 45 | SLN |
| +008+ | 2.48 | Max Scherzer | 45.3 | WAS |
| +013+ | 2.28 | Jarlin Garcia | 33 | MIA |
| +014+ | 2.24 | Chad Bettis | 44 | COL |
| +015+ | 2.19 | Jacob deGrom | 43.3 | NYN |
| +016+ | 2.16 | Luis Severino | 47 | NYA |
| +017+ | 2.07 | Aaron Nola | 45.7 | PHI |
| +018+ | 2.07 | Patrick Corbin | 46 | ARI |
| +019+ | 2.05 | Rick Porcello | 46.3 | BOS |
| +020+ | 2.02 | CC Sabathia | 32.3 | NYA |
| +022+ | 1.95 | Corey Kluber | 52.3 | CLE |
| +023+ | 1.92 | Charlie Morton | 41.7 | HOU |
| +024+ | 1.85 | Chris Sale | 42 | BOS |
| +031+ | 1.62 | Gio Gonzalez | 38.7 | WAS |
| +033+ | 1.6 | Trevor Bauer | 46.3 | CLE |
| +035+ | 1.58 | Blake Snell | 42.3 | TBA |
| +039+ | 1.48 | Reynaldo Lopez | 37 | CHA |
| +041+ | 1.46 | Trevor Williams | 41 | PIT |
| +052+ | 1.34 | Hyun-Jin Ryu | 29.7 | LAN |
| +057+ | 1.26 | Miles Mikolas | 40 | SLN |
| XXXXX | 1.22 | Clayton Kershaw | 44 | LAN |
| XXXXX | 1.13 | Junior Guerra | 27 | MIL |
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