| Team | Tm | Tier | Game |
|---|---|---|---|
| San Francisco Giants | SFN | 3.31 | 202109220_SFN_SDN |
| Los Angeles Dodgers | LAN | 2.66 | 202109240_LAN_ARI |
| Houston Astros | HOU | 1.25 | 202109240_HOU_OAK |
| Milwaukee Brewers | MIL | 0.72 | 202109220_SLN_MIL |
| Chicago White Sox | CHA | 0.69 | 202109240_CHA_CLE |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Chicago Cubs | CHN | -3.75 | 202109241_SLN_CHN |
| Baltimore Orioles | BAL | -2.95 | 202109230_TEX_BAL |
| Arizona Diamondbacks | ARI | -2.55 | 202109230_ATL_ARI |
| Pittsburgh Pirates | PIT | -2.55 | 202109240_PIT_PHI |
| Detroit Tigers | DET | -2.43 | 202109240_KCA_DET |
Based on accumulated WAA for this season up to 2021-09-24.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +042+ | 4.57 | Emmanuel Clase | 66.7 | CLE |
| +050+ | 4.25 | Aaron Loup | 54 | NYN |
| +068+ | 3.75 | Andrew Chafin | 65.7 | TOT |
| +071+ | 3.68 | Blake Treinen | 70.3 | LAN |
| +072+ | 3.67 | Josh Hader | 54.7 | MIL |
| +076+ | 3.59 | Tyler Rogers | 76 | SFN |
| +089+ | 3.27 | Adam Cimber | 66.3 | TOT |
| +095+ | 3.11 | Scott Barlow | 71.3 | KCA |
| +099+ | 3.08 | Luke Jackson | 58.3 | ATL |
| +098+ | 3.08 | Drew Steckenrider | 63.7 | SEA |
| +108+ | 2.86 | Ryan Pressly | 61.7 | HOU |
| +109+ | 2.86 | Dominic Leone | 49 | SFN |
| +110+ | 2.84 | Kendall Graveman | 52.7 | TOT |
| +111+ | 2.83 | Casey Sadler | 35.3 | SEA |
| +113+ | 2.81 | Craig Kimbrel | 57.7 | TOT |
| +112+ | 2.81 | Mark Melancon | 62.7 | SDN |
| +114+ | 2.8 | Kenley Jansen | 65.7 | LAN |
| +116+ | 2.78 | Jordan Romano | 59 | TOR |
| +126+ | 2.56 | Craig Stammen | 85.7 | SDN |
| +129+ | 2.54 | Liam Hendriks | 67 | CHA |
| +134+ | 2.44 | Raisel Iglesias | 67 | ANA |
| +138+ | 2.35 | Lucas Luetge | 69 | NYA |
| +140+ | 2.35 | Jose Alvarez | 61 | SFN |
| +150+ | 2.2 | Luis Cessa | 61 | TOT |
| +149+ | 2.2 | Jarlin Garcia | 66 | SFN |
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