| Team | Tm | Tier | Game |
|---|---|---|---|
| Tampa Bay Rays | TBA | 4.14 | 202109180_DET_TBA |
| Milwaukee Brewers | MIL | 3.52 | 202109200_SLN_MIL |
| Los Angeles Dodgers | LAN | 3.07 | 202109190_LAN_CIN |
| San Francisco Giants | SFN | 2.92 | 202109190_ATL_SFN |
| Chicago White Sox | CHA | 1.8 | 202109180_CHA_TEX |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Baltimore Orioles | BAL | -3.65 | 202109190_BAL_BOS |
| Chicago Cubs | CHN | -3.2 | 202109180_CHN_MIL |
| Pittsburgh Pirates | PIT | -3.01 | 202109180_PIT_MIA |
| Cleveland Guardians | CLE | -2.76 | 202109180_CLE_NYA |
| Arizona Diamondbacks | ARI | -1.93 | 202109180_ARI_HOU |
Based on accumulated WAA for this season up to 2021-09-20.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +045+ | 4.3 | Emmanuel Clase | 64.7 | CLE |
| +049+ | 4.24 | Aaron Loup | 54 | NYN |
| +051+ | 4.2 | Andrew Kittredge | 69.7 | TBA |
| +058+ | 3.97 | Collin McHugh | 60.7 | TBA |
| +060+ | 3.82 | Garrett Whitlock | 72.3 | BOS |
| +065+ | 3.71 | Tyler Rogers | 73 | SFN |
| +068+ | 3.59 | Andrew Chafin | 64 | TOT |
| +069+ | 3.57 | Josh Hader | 53.7 | MIL |
| +078+ | 3.35 | Blake Treinen | 67 | LAN |
| +088+ | 3.15 | Adam Cimber | 65.3 | TOT |
| +095+ | 2.98 | Kendall Graveman | 52 | TOT |
| +097+ | 2.95 | Scott Barlow | 70.3 | KCA |
| +101+ | 2.9 | Luke Jackson | 57 | ATL |
| +110+ | 2.76 | Ryan Pressly | 60.7 | HOU |
| +112+ | 2.75 | Drew Steckenrider | 60.3 | SEA |
| +117+ | 2.66 | Dominic Leone | 47 | SFN |
| +116+ | 2.66 | Jordan Romano | 58 | TOR |
| +119+ | 2.61 | Nabil Crismatt | 74 | SDN |
| +121+ | 2.6 | Craig Kimbrel | 55.7 | TOT |
| +123+ | 2.59 | Jarlin Garcia | 63.7 | SFN |
| +127+ | 2.51 | Craig Stammen | 83.7 | SDN |
| +128+ | 2.51 | Kenley Jansen | 62.7 | LAN |
| +130+ | 2.46 | Raisel Iglesias | 65 | ANA |
| +136+ | 2.34 | Lucas Luetge | 69 | NYA |
| +140+ | 2.29 | Anthony Bender | 57 | MIA |
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