| Team | Tm | Tier | Game |
|---|---|---|---|
| Milwaukee Brewers | MIL | 3.91 | 202109100_MIL_CLE |
| San Francisco Giants | SFN | 3.6 | 202109110_SFN_CHN |
| San Diego Padres | SDN | 3.02 | 202109100_SDN_LAN |
| Chicago White Sox | CHA | 2.32 | 202109100_BOS_CHA |
| Atlanta Braves | ATL | 1.23 | 202109090_WAS_ATL |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Colorado Rockies | COL | -4.02 | 202109110_COL_PHI |
| Arizona Diamondbacks | ARI | -3.64 | 202109100_ARI_SEA |
| Pittsburgh Pirates | PIT | -3.48 | 202109110_WAS_PIT |
| Baltimore Orioles | BAL | -1.83 | 202109090_KCA_BAL |
| Boston Red Sox | BOS | -1.7 | 202109100_BOS_CHA |
Based on accumulated WAA for this season up to 2021-09-11.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +052+ | 4.03 | Andrew Kittredge | 65.7 | TBA |
| +054+ | 3.98 | Garrett Whitlock | 69.7 | BOS |
| +055+ | 3.96 | Tyler Rogers | 69 | SFN |
| +059+ | 3.92 | Aaron Loup | 50.7 | NYN |
| +060+ | 3.91 | Emmanuel Clase | 60.7 | CLE |
| +066+ | 3.47 | Andrew Chafin | 60.7 | TOT |
| +070+ | 3.39 | Drew Steckenrider | 58.3 | SEA |
| +073+ | 3.27 | Josh Hader | 50.7 | MIL |
| +080+ | 3.16 | Mark Melancon | 58.3 | SDN |
| +083+ | 3.08 | Blake Treinen | 64.3 | LAN |
| +086+ | 2.9 | Kendall Graveman | 49 | TOT |
| +087+ | 2.89 | Scott Barlow | 67.3 | KCA |
| +091+ | 2.87 | Adam Cimber | 62.7 | TOT |
| +103+ | 2.72 | Craig Kimbrel | 52.7 | TOT |
| +106+ | 2.61 | Luke Jackson | 54 | ATL |
| +116+ | 2.46 | Jarlin Garcia | 60 | SFN |
| +123+ | 2.39 | Kenley Jansen | 59.3 | LAN |
| +124+ | 2.38 | Ryan Pressly | 56.7 | HOU |
| +127+ | 2.34 | Craig Stammen | 78 | SDN |
| +128+ | 2.33 | Jordan Romano | 55 | TOR |
| +131+ | 2.3 | Casey Sadler | 30 | SEA |
| +137+ | 2.26 | Raisel Iglesias | 63 | ANA |
| +138+ | 2.25 | Jose Alvarez | 55.7 | SFN |
| +140+ | 2.23 | Hunter Strickland | 53 | TOT |
| +144+ | 2.2 | Kyle Finnegan | 57 | WAS |
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