| Team | Tm | Tier | Game |
|---|---|---|---|
| San Diego Padres | SDN | 2.85 | 202108170_SDN_COL |
| Chicago White Sox | CHA | 2.49 | 202108170_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 | -1.48 | 202108170_PIT_LAN |
Based on accumulated WAA for this season up to 2021-08-17.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +045+ | 3.54 | Andrew Kittredge | 54.3 | TBA |
| +051+ | 3.37 | Garrett Whitlock | 57.7 | BOS |
| +056+ | 3.13 | Craig Kimbrel | 44.3 | TOT |
| +058+ | 3.1 | Lou Trivino | 55.7 | OAK |
| +063+ | 3.01 | Emmanuel Clase | 49.3 | CLE |
| +061+ | 3.01 | Kendall Graveman | 39.3 | TOT |
| +067+ | 2.94 | Aaron Loup | 39.3 | NYN |
| +071+ | 2.81 | Andrew Chafin | 47.7 | TOT |
| +074+ | 2.79 | Blake Treinen | 52.7 | LAN |
| +076+ | 2.78 | Tyler Rogers | 57 | SFN |
| +087+ | 2.56 | Ryan Pressly | 48 | HOU |
| +088+ | 2.55 | Cristian Javier | 84.7 | HOU |
| +096+ | 2.46 | Mark Melancon | 51.3 | SDN |
| +098+ | 2.43 | Josh Hader | 42.3 | MIL |
| +105+ | 2.3 | Drew Steckenrider | 47 | SEA |
| +106+ | 2.28 | Jonathan Loaisiga | 60.7 | NYA |
| +108+ | 2.26 | Alex Reyes | 52.7 | SLN |
| +111+ | 2.22 | Richard Rodriguez | 47.3 | TOT |
| +113+ | 2.21 | Luke Jackson | 46 | ATL |
| +120+ | 2.09 | Scott Barlow | 57 | KCA |
| +121+ | 2.08 | Michael Kopech | 48.3 | CHA |
| +122+ | 2.07 | Adam Cimber | 53 | TOT |
| +126+ | 2.04 | Tyler Matzek | 46.3 | ATL |
| +130+ | 2.01 | Brad Boxberger | 51 | MIL |
| +134+ | 1.96 | Jose Alvarez | 46.3 | SFN |
_