| Team | Tm | Tier | Game |
|---|---|---|---|
| San Diego Padres | SDN | 3.66 | 202108210_PHI_SDN |
| Chicago White Sox | CHA | 3.38 | 202108190_OAK_CHA |
| San Francisco Giants | SFN | 2.3 | 202108200_SFN_OAK |
| Oakland Athletics | OAK | 2.04 | 202108210_SFN_OAK |
| Milwaukee Brewers | MIL | 1.82 | 202108190_MIL_SLN |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Colorado Rockies | COL | -4.19 | 202108200_ARI_COL |
| Arizona Diamondbacks | ARI | -3.74 | 202108210_ARI_COL |
| Chicago Cubs | CHN | -2.24 | 202108210_KCA_CHN |
| Pittsburgh Pirates | PIT | -1.61 | 202108200_PIT_SLN |
| Miami Marlins | MIA | -1.48 | 202108190_MIA_CIN |
Based on accumulated WAA for this season up to 2021-08-21.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +048+ | 3.61 | Andrew Kittredge | 57.3 | TBA |
| +053+ | 3.42 | Garrett Whitlock | 57.7 | BOS |
| +058+ | 3.2 | Emmanuel Clase | 51.3 | CLE |
| +059+ | 3.17 | Kendall Graveman | 41 | TOT |
| +060+ | 3.17 | Collin McHugh | 48.3 | TBA |
| +062+ | 3.13 | Aaron Loup | 41.3 | NYN |
| +068+ | 2.99 | Craig Kimbrel | 45 | TOT |
| +069+ | 2.98 | Lou Trivino | 58.7 | OAK |
| +073+ | 2.96 | Tyler Rogers | 59 | SFN |
| +081+ | 2.69 | Andrew Chafin | 50.7 | TOT |
| +085+ | 2.66 | Ryan Pressly | 49 | HOU |
| +084+ | 2.66 | Mark Melancon | 53.3 | SDN |
| +086+ | 2.65 | Cristian Javier | 85.7 | HOU |
| +089+ | 2.63 | Josh Hader | 44.3 | MIL |
| +091+ | 2.57 | Blake Treinen | 54.7 | LAN |
| +103+ | 2.4 | Drew Steckenrider | 48 | SEA |
| +104+ | 2.38 | Scott Barlow | 60 | KCA |
| +108+ | 2.34 | Jonathan Loaisiga | 60.7 | NYA |
| +112+ | 2.28 | Luke Jackson | 46.7 | ATL |
| +117+ | 2.24 | Alex Reyes | 54.7 | SLN |
| +118+ | 2.24 | Jose Alvarez | 49.3 | SFN |
| +121+ | 2.21 | Richard Rodriguez | 49.3 | TOT |
| +122+ | 2.17 | Tyler Matzek | 47.7 | ATL |
| +123+ | 2.16 | David Bednar | 50.7 | PIT |
| +128+ | 2.11 | Brad Boxberger | 52 | MIL |
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