| Team | Tm | Tier | Game |
|---|---|---|---|
| Oakland Athletics | OAK | 3.42 | 201809070_TEX_OAK |
| Houston Astros | HOU | 2.55 | 201809070_HOU_BOS |
| Arizona Diamondbacks | ARI | 1.85 | 201809060_ATL_ARI |
| Los Angeles Dodgers | LAN | 1.32 | 201809070_LAN_COL |
| San Diego Padres | SDN | 1.23 | 201809060_SDN_CIN |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Texas Rangers | TEX | -6.43 | 201809050_ANA_TEX |
| Kansas City Royals | KCA | -5.51 | 201809070_KCA_MIN |
| Minnesota Twins | MIN | -2.98 | 201809050_MIN_HOU |
| Baltimore Orioles | BAL | -2.38 | 201809050_BAL_SEA |
| Miami Marlins | MIA | -1.58 | 201809070_MIA_PIT |
Based on accumulated WAA for this season up to 2018-09-07.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +021+ | 5.25 | Blake Treinen | 70.3 | OAK |
| +035+ | 4.04 | Jeremy Jeffress | 68 | MIL |
| +040+ | 3.78 | Ross Stripling | 110.3 | LAN |
| +047+ | 3.57 | Edwin Diaz | 67.3 | SEA |
| +045+ | 3.57 | Jared Hughes | 69.3 | CIN |
| +048+ | 3.54 | Adam Ottavino | 69 | COL |
| +051+ | 3.49 | T.J. McFarland | 71.3 | ARI |
| +054+ | 3.35 | Josh Hader | 71.7 | MIL |
| +058+ | 3.25 | Collin McHugh | 64.3 | HOU |
| +066+ | 3.13 | Lou Trivino | 68 | OAK |
| +070+ | 3.06 | Seth Lugo | 93 | NYN |
| +075+ | 2.94 | Jose Leclerc | 51.7 | TEX |
| +077+ | 2.89 | Steve Cishek | 63.3 | CHN |
| +080+ | 2.85 | Yoshihisa Hirano | 60.3 | ARI |
| +089+ | 2.66 | Kirby Yates | 53.7 | SDN |
| +090+ | 2.65 | Jose Alvarado | 57.7 | TBA |
| +096+ | 2.59 | Edgar Santana | 63.3 | PIT |
| +095+ | 2.59 | Dylan Floro | 59.7 | TOT |
| +099+ | 2.55 | Hector Rondon | 52.7 | HOU |
| +103+ | 2.46 | Craig Stammen | 69 | SDN |
| +106+ | 2.42 | Matt Strahm | 53.3 | SDN |
| +109+ | 2.41 | Raisel Iglesias | 61.7 | CIN |
| +111+ | 2.39 | Jesse Chavez | 83.3 | TOT |
| +117+ | 2.29 | Chad Green | 65.3 | NYA |
| +118+ | 2.29 | Brad Hand | 65 | TOT |
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