| Team | Tm | Tier | Game |
|---|---|---|---|
| Chicago White Sox | CHA | 2.48 | 202109010_PIT_CHA |
| Milwaukee Brewers | MIL | 2.17 | 202108310_MIL_SFN |
| San Francisco Giants | SFN | 1.81 | 202109020_MIL_SFN |
| Oakland Athletics | OAK | 1.77 | 202109010_OAK_DET |
| San Diego Padres | SDN | 1.52 | 202109010_SDN_ARI |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Colorado Rockies | COL | -6.6 | 202108310_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 2021-09-02.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +041+ | 4.11 | Garrett Whitlock | 65 | BOS |
| +043+ | 4.04 | Andrew Kittredge | 62 | TBA |
| +050+ | 3.64 | Emmanuel Clase | 58.3 | CLE |
| +054+ | 3.54 | Tyler Rogers | 65 | SFN |
| +060+ | 3.38 | Aaron Loup | 45.7 | NYN |
| +066+ | 3.32 | Andrew Chafin | 57.3 | TOT |
| +070+ | 3.21 | Collin McHugh | 53.3 | TBA |
| +074+ | 3.05 | Josh Hader | 48.7 | MIL |
| +081+ | 2.97 | Blake Treinen | 59.3 | LAN |
| +080+ | 2.97 | Drew Steckenrider | 54.3 | SEA |
| +085+ | 2.92 | Ryan Pressly | 54 | HOU |
| +084+ | 2.92 | Jonathan Loaisiga | 66.7 | NYA |
| +086+ | 2.91 | Mark Melancon | 56.3 | SDN |
| +094+ | 2.64 | David Bednar | 55.7 | PIT |
| +096+ | 2.59 | Brad Boxberger | 57 | MIL |
| +098+ | 2.55 | Scott Barlow | 64.3 | KCA |
| +100+ | 2.53 | Craig Kimbrel | 49 | TOT |
| +101+ | 2.52 | Luke Jackson | 51.3 | ATL |
| +103+ | 2.51 | Kendall Graveman | 45.3 | TOT |
| +109+ | 2.45 | Jordan Romano | 50 | TOR |
| +110+ | 2.44 | Richard Rodriguez | 54 | TOT |
| +114+ | 2.41 | Adam Cimber | 58.3 | TOT |
| +130+ | 2.21 | Reynaldo Lopez | 35 | CHA |
| +133+ | 2.18 | Jose Cisnero | 58.3 | DET |
| +134+ | 2.17 | Jose Alvarez | 53 | SFN |
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