| Team | Tm | Tier | Game |
|---|---|---|---|
| San Francisco Giants | SFN | 2.27 | 202109040_LAN_SFN |
| Tampa Bay Rays | TBA | 2.19 | 202109050_MIN_TBA |
| Oakland Athletics | OAK | 2.17 | 202109030_OAK_TOR |
| Milwaukee Brewers | MIL | 1.83 | 202109030_SLN_MIL |
| San Diego Padres | SDN | 1.71 | 202109030_HOU_SDN |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Colorado Rockies | COL | -4.91 | 202109040_ATL_COL |
| Arizona Diamondbacks | ARI | -3.97 | 202109050_SEA_ARI |
| Baltimore Orioles | BAL | -3.26 | 202109030_BAL_NYA |
| Chicago Cubs | CHN | -2.18 | 202109040_PIT_CHN |
| Pittsburgh Pirates | PIT | -1.72 | 202109050_PIT_CHN |
Based on accumulated WAA for this season up to 2021-09-05.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +044+ | 4.06 | Andrew Kittredge | 64 | TBA |
| +043+ | 4.06 | Garrett Whitlock | 66.3 | BOS |
| +051+ | 3.81 | Emmanuel Clase | 59.7 | CLE |
| +053+ | 3.75 | Tyler Rogers | 67 | SFN |
| +057+ | 3.61 | Aaron Loup | 47.7 | NYN |
| +064+ | 3.35 | Andrew Chafin | 57.3 | TOT |
| +070+ | 3.25 | Blake Treinen | 62 | LAN |
| +071+ | 3.24 | Collin McHugh | 53.3 | TBA |
| +074+ | 3.18 | Drew Steckenrider | 56.3 | SEA |
| +080+ | 3.05 | Ryan Pressly | 55 | HOU |
| +082+ | 3.04 | Mark Melancon | 57.3 | SDN |
| +087+ | 2.86 | Jonathan Loaisiga | 68 | NYA |
| +094+ | 2.69 | Kendall Graveman | 47 | TOT |
| +095+ | 2.68 | David Bednar | 55.7 | PIT |
| +097+ | 2.66 | Craig Kimbrel | 50 | TOT |
| +105+ | 2.58 | Richard Rodriguez | 55 | TOT |
| +106+ | 2.55 | Luke Jackson | 51.3 | ATL |
| +113+ | 2.47 | Adam Cimber | 58.7 | TOT |
| +115+ | 2.46 | Jarlin Garcia | 58 | SFN |
| +120+ | 2.37 | Dominic Leone | 39.7 | SFN |
| +122+ | 2.36 | Craig Stammen | 76.3 | SDN |
| +128+ | 2.27 | Tyler Matzek | 52.7 | ATL |
| +129+ | 2.26 | Raisel Iglesias | 61 | ANA |
| +139+ | 2.13 | Casey Sadler | 28.3 | SEA |
| +140+ | 2.13 | Jose Cisnero | 59.7 | DET |
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