| Team | Tm | Tier | Game |
|---|---|---|---|
| Chicago White Sox | CHA | 2.48 | 202109010_PIT_CHA |
| Oakland Athletics | OAK | 2.17 | 202109030_OAK_TOR |
| Milwaukee Brewers | MIL | 2.07 | 202109020_MIL_SFN |
| San Francisco Giants | SFN | 1.84 | 202109030_LAN_SFN |
| San Diego Padres | SDN | 1.71 | 202109030_HOU_SDN |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Colorado Rockies | COL | -4.84 | 202109030_ATL_COL |
| Baltimore Orioles | BAL | -3.26 | 202109030_BAL_NYA |
| Chicago Cubs | CHN | -2.39 | 202109010_CHN_MIN |
| Arizona Diamondbacks | ARI | -1.68 | 202109030_SEA_ARI |
| Detroit Tigers | DET | -0.75 | 202109020_OAK_DET |
Based on accumulated WAA for this season up to 2021-09-03.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +038+ | 4.15 | Andrew Kittredge | 63 | TBA |
| +043+ | 4.04 | Garrett Whitlock | 66.3 | BOS |
| +052+ | 3.65 | Emmanuel Clase | 58.3 | CLE |
| +054+ | 3.63 | Tyler Rogers | 66 | SFN |
| +056+ | 3.48 | Aaron Loup | 46.7 | NYN |
| +061+ | 3.33 | Andrew Chafin | 57.3 | TOT |
| +069+ | 3.22 | Collin McHugh | 53.3 | TBA |
| +075+ | 3.1 | Blake Treinen | 60.7 | LAN |
| +076+ | 3.08 | Drew Steckenrider | 55.3 | SEA |
| +079+ | 3.05 | Josh Hader | 48.7 | MIL |
| +082+ | 3.02 | Ryan Pressly | 55 | HOU |
| +086+ | 2.92 | Mark Melancon | 56.3 | SDN |
| +087+ | 2.84 | Jonathan Loaisiga | 68 | NYA |
| +094+ | 2.65 | David Bednar | 55.7 | PIT |
| +096+ | 2.6 | Brad Boxberger | 57 | MIL |
| +099+ | 2.58 | Kendall Graveman | 46 | TOT |
| +102+ | 2.56 | Scott Barlow | 64.3 | KCA |
| +106+ | 2.54 | Craig Kimbrel | 49 | TOT |
| +107+ | 2.53 | Luke Jackson | 51.3 | ATL |
| +114+ | 2.45 | Richard Rodriguez | 54 | TOT |
| +117+ | 2.42 | Adam Cimber | 58.3 | TOT |
| +124+ | 2.26 | Dominic Leone | 38.7 | SFN |
| +127+ | 2.24 | Craig Stammen | 75.3 | SDN |
| +128+ | 2.24 | Raisel Iglesias | 61 | ANA |
| +126+ | 2.24 | Tyler Matzek | 52.7 | ATL |
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