| Team | Tm | Tier | Game |
|---|---|---|---|
| Tampa Bay Rays | TBA | 4.14 | 202109180_DET_TBA |
| Los Angeles Dodgers | LAN | 2.43 | 202109180_LAN_CIN |
| Milwaukee Brewers | MIL | 1.93 | 202109180_CHN_MIL |
| Chicago White Sox | CHA | 1.8 | 202109180_CHA_TEX |
| San Francisco Giants | SFN | 1.41 | 202109170_ATL_SFN |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Baltimore Orioles | BAL | -3.31 | 202109180_BAL_BOS |
| Chicago Cubs | CHN | -3.2 | 202109180_CHN_MIL |
| Cleveland Guardians | CLE | -3.05 | 202109170_CLE_NYA |
| Pittsburgh Pirates | PIT | -3.01 | 202109180_PIT_MIA |
| Arizona Diamondbacks | ARI | -2.02 | 202109170_ARI_HOU |
Based on accumulated WAA for this season up to 2021-09-18.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +047+ | 4.23 | Emmanuel Clase | 63.7 | CLE |
| +048+ | 4.2 | Andrew Kittredge | 69.7 | TBA |
| +053+ | 4.1 | Aaron Loup | 52.7 | NYN |
| +059+ | 3.93 | Garrett Whitlock | 71.3 | BOS |
| +062+ | 3.77 | Collin McHugh | 58.7 | TBA |
| +065+ | 3.71 | Tyler Rogers | 73 | SFN |
| +067+ | 3.6 | Andrew Chafin | 64 | TOT |
| +070+ | 3.57 | Josh Hader | 53.7 | MIL |
| +078+ | 3.28 | Blake Treinen | 66.3 | LAN |
| +085+ | 3.15 | Adam Cimber | 65.3 | TOT |
| +091+ | 2.98 | Kendall Graveman | 52 | TOT |
| +102+ | 2.8 | Luke Jackson | 56 | ATL |
| +104+ | 2.78 | Mark Melancon | 60.7 | SDN |
| +106+ | 2.75 | Drew Steckenrider | 60.3 | SEA |
| +108+ | 2.71 | Craig Kimbrel | 54.7 | TOT |
| +111+ | 2.66 | Dominic Leone | 47 | SFN |
| +110+ | 2.66 | Ryan Pressly | 59.7 | HOU |
| +113+ | 2.62 | Kenley Jansen | 61.7 | LAN |
| +116+ | 2.59 | Jarlin Garcia | 63.7 | SFN |
| +118+ | 2.56 | Jordan Romano | 57 | TOR |
| +121+ | 2.53 | Casey Sadler | 32.3 | SEA |
| +122+ | 2.51 | Nabil Crismatt | 73 | SDN |
| +131+ | 2.36 | Raisel Iglesias | 64 | ANA |
| +138+ | 2.33 | Hunter Strickland | 54 | TOT |
| +143+ | 2.24 | Hirokazu Sawamura | 48 | BOS |
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