| Team | Tm | Tier | Game |
|---|---|---|---|
| San Diego Padres | SDN | 3.75 | 202108180_SDN_COL |
| Chicago White Sox | CHA | 2.59 | 202108180_OAK_CHA |
| San Francisco Giants | SFN | 2.43 | 202108170_NYN_SFN |
| Oakland Athletics | OAK | 2.21 | 202108160_OAK_CHA |
| Milwaukee Brewers | MIL | 2.14 | 202108170_MIL_SLN |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Colorado Rockies | COL | -4.56 | 202108170_SDN_COL |
| Arizona Diamondbacks | ARI | -2.99 | 202108170_PHI_ARI |
| Chicago Cubs | CHN | -2.33 | 202108170_CHN_CIN |
| Baltimore Orioles | BAL | -2.26 | 202108160_BAL_TBA |
| Pittsburgh Pirates | PIT | -1.62 | 202108180_PIT_LAN |
Based on accumulated WAA for this season up to 2021-08-18.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +052+ | 3.42 | Garrett Whitlock | 57.7 | BOS |
| +051+ | 3.42 | Andrew Kittredge | 55.3 | TBA |
| +058+ | 3.17 | Kendall Graveman | 41 | TOT |
| +059+ | 3.13 | Craig Kimbrel | 44.3 | TOT |
| +062+ | 3.11 | Lou Trivino | 55.7 | OAK |
| +063+ | 3.1 | Emmanuel Clase | 50.3 | CLE |
| +071+ | 2.92 | Aaron Loup | 39.3 | NYN |
| +072+ | 2.91 | Andrew Chafin | 48.7 | TOT |
| +073+ | 2.86 | Tyler Rogers | 58 | SFN |
| +079+ | 2.79 | Blake Treinen | 52.7 | LAN |
| +088+ | 2.56 | Ryan Pressly | 48 | HOU |
| +089+ | 2.55 | Cristian Javier | 84.7 | HOU |
| +092+ | 2.52 | Josh Hader | 43.3 | MIL |
| +095+ | 2.47 | Mark Melancon | 51.3 | SDN |
| +101+ | 2.39 | Drew Steckenrider | 48 | SEA |
| +108+ | 2.33 | Jonathan Loaisiga | 60.7 | NYA |
| +110+ | 2.24 | Alex Reyes | 54.7 | SLN |
| +113+ | 2.21 | Luke Jackson | 46 | ATL |
| +114+ | 2.19 | Scott Barlow | 58 | KCA |
| +117+ | 2.12 | Richard Rodriguez | 48.3 | TOT |
| +119+ | 2.1 | Jose Alvarez | 48 | SFN |
| +121+ | 2.08 | Michael Kopech | 48.3 | CHA |
| +127+ | 2.04 | Tyler Matzek | 46.3 | ATL |
| +128+ | 2.01 | Brad Boxberger | 51 | MIL |
| +131+ | 1.99 | Devin Williams | 44.3 | MIL |
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