| Team | Tm | Tier | Game |
|---|---|---|---|
| Chicago White Sox | CHA | 2.48 | 202109010_PIT_CHA |
| Milwaukee Brewers | MIL | 2.17 | 202108310_MIL_SFN |
| Oakland Athletics | OAK | 1.77 | 202109010_OAK_DET |
| San Diego Padres | SDN | 1.57 | 202108300_SDN_ARI |
| Atlanta Braves | ATL | 1.41 | 202108310_ATL_LAN |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Colorado Rockies | COL | -6.86 | 202108300_COL_TEX |
| Arizona Diamondbacks | ARI | -3.65 | 202108310_SDN_ARI |
| Baltimore Orioles | BAL | -3.04 | 202109010_BAL_TOR |
| Chicago Cubs | CHN | -2.4 | 202108310_CHN_MIN |
| Pittsburgh Pirates | PIT | -1.44 | 202108310_PIT_CHA |
Based on accumulated WAA for this season up to 2021-09-01.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +040+ | 4.11 | Garrett Whitlock | 65 | BOS |
| +041+ | 4.04 | Andrew Kittredge | 62 | TBA |
| +049+ | 3.75 | Emmanuel Clase | 57.3 | CLE |
| +059+ | 3.44 | Tyler Rogers | 64 | SFN |
| +069+ | 3.31 | Aaron Loup | 45 | NYN |
| +070+ | 3.21 | Collin McHugh | 53.3 | TBA |
| +071+ | 3.2 | Andrew Chafin | 56 | TOT |
| +074+ | 3.04 | Josh Hader | 48.7 | MIL |
| +079+ | 2.97 | Drew Steckenrider | 54.3 | SEA |
| +080+ | 2.97 | Blake Treinen | 59.3 | LAN |
| +085+ | 2.92 | Jonathan Loaisiga | 66.7 | NYA |
| +086+ | 2.92 | Ryan Pressly | 54 | HOU |
| +087+ | 2.91 | Mark Melancon | 56.3 | SDN |
| +096+ | 2.59 | Brad Boxberger | 57 | MIL |
| +098+ | 2.55 | Scott Barlow | 64.3 | KCA |
| +100+ | 2.54 | Craig Kimbrel | 49 | TOT |
| +101+ | 2.51 | Kendall Graveman | 45.3 | TOT |
| +104+ | 2.48 | Devin Williams | 49.3 | MIL |
| +108+ | 2.45 | Jordan Romano | 50 | TOR |
| +109+ | 2.45 | David Bednar | 53.7 | PIT |
| +113+ | 2.42 | Luke Jackson | 50.3 | ATL |
| +115+ | 2.41 | Adam Cimber | 58.3 | TOT |
| +120+ | 2.35 | Richard Rodriguez | 53 | TOT |
| +127+ | 2.26 | Lou Trivino | 60 | OAK |
| +130+ | 2.21 | Reynaldo Lopez | 35 | CHA |
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