| Team | Tm | Tier | Game |
|---|---|---|---|
| Oakland Athletics | OAK | 4 | 201809080_TEX_OAK |
| Houston Astros | HOU | 2.45 | 201809080_HOU_BOS |
| Milwaukee Brewers | MIL | 1.75 | 201809090_SFN_MIL |
| Arizona Diamondbacks | ARI | 1.55 | 201809080_ATL_ARI |
| Los Angeles Dodgers | LAN | 1.21 | 201809090_LAN_COL |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Texas Rangers | TEX | -8.67 | 201809090_TEX_OAK |
| Kansas City Royals | KCA | -3.31 | 201809100_CHA_KCA |
| Baltimore Orioles | BAL | -2.91 | 201809090_BAL_TBA |
| Minnesota Twins | MIN | -1.91 | 201809080_KCA_MIN |
| Miami Marlins | MIA | -1.69 | 201809080_MIA_PIT |
Based on accumulated WAA for this season up to 2018-09-10.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +018+ | 5.45 | Blake Treinen | 72.3 | OAK |
| +033+ | 4.28 | Jeremy Jeffress | 70.3 | MIL |
| +041+ | 3.89 | Jared Hughes | 72.3 | CIN |
| +042+ | 3.81 | Ross Stripling | 110.3 | LAN |
| +046+ | 3.67 | Edwin Diaz | 68.3 | SEA |
| +048+ | 3.65 | Adam Ottavino | 70 | COL |
| +051+ | 3.56 | T.J. McFarland | 72 | ARI |
| +053+ | 3.55 | Josh Hader | 73.7 | MIL |
| +058+ | 3.3 | Collin McHugh | 64.7 | HOU |
| +059+ | 3.27 | Lou Trivino | 69.3 | OAK |
| +067+ | 3.06 | Seth Lugo | 95 | NYN |
| +069+ | 3.05 | Jose Leclerc | 52.7 | TEX |
| +077+ | 2.96 | Yoshihisa Hirano | 61.3 | ARI |
| +084+ | 2.78 | Kirby Yates | 54.7 | SDN |
| +089+ | 2.69 | Jose Alvarado | 58 | TBA |
| +093+ | 2.63 | Will Smith | 47 | SFN |
| +095+ | 2.62 | Steve Cishek | 64.7 | CHN |
| +097+ | 2.61 | Jesse Chavez | 85.3 | TOT |
| +096+ | 2.61 | Dylan Floro | 59.7 | TOT |
| +099+ | 2.59 | Craig Stammen | 70 | SDN |
| +102+ | 2.5 | Chad Green | 67.3 | NYA |
| +104+ | 2.44 | Matt Strahm | 53.3 | SDN |
| +105+ | 2.43 | Sean Doolittle | 38 | WAS |
| +106+ | 2.41 | Raisel Iglesias | 63.7 | CIN |
| +107+ | 2.41 | Hector Rondon | 53.3 | HOU |
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