| Team | Tm | Tier | Game |
|---|---|---|---|
| Oakland Athletics | OAK | 3.57 | 201809090_TEX_OAK |
| Houston Astros | HOU | 2.22 | 201809090_HOU_BOS |
| Milwaukee Brewers | MIL | 1.75 | 201809090_SFN_MIL |
| Arizona Diamondbacks | ARI | 1.42 | 201809090_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 | -1.45 | 201809110_NYA_MIN |
| Miami Marlins | MIA | -1.27 | 201809110_MIA_NYN |
Based on accumulated WAA for this season up to 2018-09-11.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +020+ | 5.44 | Blake Treinen | 72.3 | OAK |
| +033+ | 4.27 | Jeremy Jeffress | 70.3 | MIL |
| +042+ | 3.88 | Jared Hughes | 72.3 | CIN |
| +052+ | 3.55 | Josh Hader | 73.7 | MIL |
| +050+ | 3.55 | T.J. McFarland | 72 | ARI |
| +051+ | 3.55 | Edwin Diaz | 69.3 | SEA |
| +056+ | 3.38 | Collin McHugh | 65.7 | HOU |
| +058+ | 3.31 | Adam Ottavino | 71 | COL |
| +067+ | 3.15 | Lou Trivino | 70.3 | OAK |
| +071+ | 3.05 | Seth Lugo | 95 | NYN |
| +072+ | 3.04 | Yoshihisa Hirano | 62.3 | ARI |
| +073+ | 3.04 | Jose Leclerc | 52.7 | TEX |
| +083+ | 2.87 | Kirby Yates | 55.7 | SDN |
| +088+ | 2.7 | Dylan Floro | 60.7 | TOT |
| +089+ | 2.68 | Jose Alvarado | 58 | TBA |
| +091+ | 2.64 | Craig Stammen | 70.7 | SDN |
| +093+ | 2.62 | Will Smith | 47 | SFN |
| +095+ | 2.61 | Steve Cishek | 64.7 | CHN |
| +096+ | 2.6 | Jesse Chavez | 85.3 | TOT |
| +100+ | 2.56 | Matt Strahm | 54.7 | SDN |
| +102+ | 2.5 | Raisel Iglesias | 64.7 | CIN |
| +101+ | 2.5 | Hector Rondon | 54.3 | HOU |
| +103+ | 2.49 | Chad Green | 67.3 | NYA |
| +108+ | 2.42 | David Hernandez | 57.3 | CIN |
| +110+ | 2.39 | Pedro Strop | 58 | CHN |
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