| Team | Tm | Tier | Game |
|---|---|---|---|
| Houston Astros | HOU | 2.58 | 201809190_SEA_HOU |
| Oakland Athletics | OAK | 1.73 | 201809180_ANA_OAK |
| San Diego Padres | SDN | 1.32 | 201809190_SFN_SDN |
| San Francisco Giants | SFN | 1.24 | 201809180_SFN_SDN |
| New York Yankees | NYA | 1.15 | 201809200_BOS_NYA |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Texas Rangers | TEX | -8.89 | 201809190_TBA_TEX |
| Kansas City Royals | KCA | -5.18 | 201809180_KCA_PIT |
| Miami Marlins | MIA | -2.23 | 201809180_WAS_MIA |
| Minnesota Twins | MIN | -1.67 | 201809180_MIN_DET |
| Baltimore Orioles | BAL | -1.27 | 201809180_TOR_BAL |
Based on accumulated WAA for this season up to 2018-09-20.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +053+ | 3.72 | Josh Hader | 75.7 | MIL |
| +054+ | 3.72 | Jared Hughes | 75 | CIN |
| +061+ | 3.53 | Edwin Diaz | 71.3 | SEA |
| +067+ | 3.24 | Seth Lugo | 99.3 | NYN |
| +073+ | 3.18 | Collin McHugh | 68 | HOU |
| +075+ | 3.12 | Adam Ottavino | 73.3 | COL |
| +081+ | 2.99 | Jose Alvarado | 61.3 | TBA |
| +082+ | 2.95 | Dylan Floro | 63.3 | TOT |
| +084+ | 2.9 | Kirby Yates | 58.3 | SDN |
| +086+ | 2.85 | Yoshihisa Hirano | 64.7 | ARI |
| +087+ | 2.84 | Matt Strahm | 57.7 | SDN |
| +089+ | 2.83 | Raisel Iglesias | 68 | CIN |
| +092+ | 2.79 | Will Smith | 51 | SFN |
| +100+ | 2.68 | Lou Trivino | 72 | OAK |
| +105+ | 2.62 | Craig Kimbrel | 60 | BOS |
| +110+ | 2.53 | Richard Rodriguez | 65 | PIT |
| +111+ | 2.52 | Steve Cishek | 66 | CHN |
| +112+ | 2.51 | Sean Doolittle | 43.3 | WAS |
| +114+ | 2.48 | Chad Green | 71.7 | NYA |
| +117+ | 2.42 | Kyle Crick | 57.3 | PIT |
| +121+ | 2.38 | Victor Arano | 57.3 | PHI |
| +124+ | 2.35 | Ryan Pressly | 67.7 | TOT |
| +123+ | 2.35 | Craig Stammen | 74.3 | SDN |
| +126+ | 2.31 | Brad Hand | 69.7 | TOT |
| +132+ | 2.26 | Oliver Perez | 30 | CLE |
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