| Team | Tm | Tier | Game |
|---|---|---|---|
| Tampa Bay Rays | TBA | 3.77 | 202109200_TOR_TBA |
| Milwaukee Brewers | MIL | 3.52 | 202109200_SLN_MIL |
| San Francisco Giants | SFN | 3.31 | 202109220_SFN_SDN |
| Los Angeles Dodgers | LAN | 2.09 | 202109210_LAN_COL |
| Chicago White Sox | CHA | 1.62 | 202109210_CHA_DET |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Baltimore Orioles | BAL | -3.62 | 202109200_BAL_PHI |
| Chicago Cubs | CHN | -2.74 | 202109220_MIN_CHN |
| Arizona Diamondbacks | ARI | -2.24 | 202109220_ATL_ARI |
| Pittsburgh Pirates | PIT | -2.24 | 202109210_PIT_CIN |
| Cleveland Guardians | CLE | -1.49 | 202109201_KCA_CLE |
Based on accumulated WAA for this season up to 2021-09-22.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +046+ | 4.45 | Emmanuel Clase | 65.7 | CLE |
| +050+ | 4.24 | Aaron Loup | 54 | NYN |
| +058+ | 3.97 | Collin McHugh | 60.7 | TBA |
| +062+ | 3.82 | Garrett Whitlock | 72.3 | BOS |
| +067+ | 3.66 | Andrew Chafin | 64.7 | TOT |
| +070+ | 3.57 | Josh Hader | 53.7 | MIL |
| +071+ | 3.48 | Tyler Rogers | 75 | SFN |
| +072+ | 3.48 | Blake Treinen | 68.3 | LAN |
| +098+ | 3.03 | Luke Jackson | 58.3 | ATL |
| +099+ | 3 | Scott Barlow | 70.3 | KCA |
| +101+ | 2.94 | Drew Steckenrider | 62.3 | SEA |
| +108+ | 2.85 | Ryan Pressly | 61.7 | HOU |
| +109+ | 2.83 | Kendall Graveman | 52.7 | TOT |
| +110+ | 2.82 | Dominic Leone | 48.7 | SFN |
| +111+ | 2.77 | Jordan Romano | 59 | TOR |
| +117+ | 2.67 | Mark Melancon | 61.7 | SDN |
| +118+ | 2.63 | Casey Sadler | 33.3 | SEA |
| +119+ | 2.6 | Kenley Jansen | 63.7 | LAN |
| +120+ | 2.6 | Craig Kimbrel | 55.7 | TOT |
| +125+ | 2.54 | Raisel Iglesias | 66 | ANA |
| +127+ | 2.51 | Craig Stammen | 83.7 | SDN |
| +137+ | 2.34 | Lucas Luetge | 69 | NYA |
| +143+ | 2.31 | Liam Hendriks | 65 | CHA |
| +147+ | 2.29 | Anthony Bender | 57 | MIA |
| +148+ | 2.28 | Alex Reyes | 69.7 | SLN |
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