| Team | Tm | Tier | Game |
|---|---|---|---|
| Oakland Athletics | OAK | 3.47 | 201809120_OAK_BAL |
| Houston Astros | HOU | 2.13 | 201809100_HOU_DET |
| Milwaukee Brewers | MIL | 1.72 | 201809100_MIL_CHN |
| Arizona Diamondbacks | ARI | 1.17 | 201809100_ARI_COL |
| Los Angeles Dodgers | LAN | 0.77 | 201809100_LAN_CIN |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Texas Rangers | TEX | -7.07 | 201809100_TEX_ANA |
| Kansas City Royals | KCA | -3.69 | 201809120_CHA_KCA |
| Baltimore Orioles | BAL | -2.88 | 201809120_OAK_BAL |
| Minnesota Twins | MIN | -1.45 | 201809110_NYA_MIN |
| Miami Marlins | MIA | -1.36 | 201809120_MIA_NYN |
Based on accumulated WAA for this season up to 2018-09-12.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +021+ | 5.43 | Blake Treinen | 72.3 | OAK |
| +031+ | 4.36 | Jeremy Jeffress | 71.3 | MIL |
| +044+ | 3.87 | Jared Hughes | 72.3 | CIN |
| +045+ | 3.63 | Josh Hader | 74.7 | MIL |
| +053+ | 3.54 | Edwin Diaz | 69.3 | SEA |
| +058+ | 3.37 | Collin McHugh | 65.7 | HOU |
| +060+ | 3.3 | Adam Ottavino | 71 | COL |
| +068+ | 3.14 | Lou Trivino | 70.3 | OAK |
| +075+ | 3.04 | Jose Leclerc | 52.7 | TEX |
| +076+ | 3.03 | Seth Lugo | 95 | NYN |
| +085+ | 2.79 | Dylan Floro | 61.7 | TOT |
| +086+ | 2.77 | Jose Alvarado | 59 | TBA |
| +089+ | 2.75 | Kirby Yates | 56.7 | SDN |
| +092+ | 2.7 | Craig Stammen | 71.3 | SDN |
| +093+ | 2.69 | Jesse Chavez | 86.3 | TOT |
| +095+ | 2.65 | Yoshihisa Hirano | 62.7 | ARI |
| +098+ | 2.55 | Matt Strahm | 54.7 | SDN |
| +100+ | 2.5 | Will Smith | 48 | SFN |
| +102+ | 2.49 | Hector Rondon | 54.3 | HOU |
| +104+ | 2.49 | Chad Green | 67.3 | NYA |
| +103+ | 2.49 | Raisel Iglesias | 64.7 | CIN |
| +107+ | 2.45 | Steve Cishek | 65.3 | CHN |
| +109+ | 2.41 | David Hernandez | 57.3 | CIN |
| +113+ | 2.38 | Pedro Strop | 58 | CHN |
| +116+ | 2.33 | Craig Kimbrel | 57 | BOS |
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