| Team | Tm | Tier | Game |
|---|---|---|---|
| San Francisco Giants | SFN | 3.1 | 202108270_SFN_ATL |
| Chicago White Sox | CHA | 2.1 | 202108270_CHN_CHA |
| Milwaukee Brewers | MIL | 1.76 | 202108290_MIL_MIN |
| Oakland Athletics | OAK | 1.6 | 202108270_NYA_OAK |
| Atlanta Braves | ATL | 1.22 | 202108270_SFN_ATL |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Colorado Rockies | COL | -7.7 | 202108270_COL_LAN |
| Arizona Diamondbacks | ARI | -3.43 | 202108270_ARI_PHI |
| Baltimore Orioles | BAL | -2.79 | 202108270_TBA_BAL |
| Chicago Cubs | CHN | -2.58 | 202108280_CHN_CHA |
| Pittsburgh Pirates | PIT | -2.07 | 202108290_SLN_PIT |
Based on accumulated WAA for this season up to 2021-08-29.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +044+ | 3.99 | Andrew Kittredge | 61.3 | TBA |
| +046+ | 3.92 | Garrett Whitlock | 63 | BOS |
| +049+ | 3.68 | Emmanuel Clase | 56.3 | CLE |
| +063+ | 3.36 | Tyler Rogers | 63 | SFN |
| +066+ | 3.33 | Kendall Graveman | 45 | TOT |
| +069+ | 3.24 | Collin McHugh | 51.3 | TBA |
| +071+ | 3.21 | Aaron Loup | 44.3 | NYN |
| +076+ | 3.11 | Andrew Chafin | 55 | TOT |
| +082+ | 2.92 | Drew Steckenrider | 53.7 | SEA |
| +083+ | 2.86 | Josh Hader | 46.7 | MIL |
| +085+ | 2.83 | Jonathan Loaisiga | 65.7 | NYA |
| +086+ | 2.82 | Ryan Pressly | 53 | HOU |
| +088+ | 2.75 | Blake Treinen | 57 | LAN |
| +089+ | 2.73 | Mark Melancon | 54.3 | SDN |
| +097+ | 2.54 | Cristian Javier | 87 | HOU |
| +101+ | 2.48 | Scott Barlow | 63.3 | KCA |
| +102+ | 2.47 | Luke Jackson | 48.7 | ATL |
| +106+ | 2.45 | Craig Kimbrel | 48 | TOT |
| +105+ | 2.45 | David Bednar | 53.7 | PIT |
| +107+ | 2.41 | Brad Boxberger | 55 | MIL |
| +108+ | 2.41 | Jose Alvarez | 51 | SFN |
| +113+ | 2.39 | Devin Williams | 48.3 | MIL |
| +116+ | 2.32 | Tyler Matzek | 49.3 | ATL |
| +117+ | 2.3 | Jordan Romano | 48.3 | TOR |
| +119+ | 2.29 | Richard Rodriguez | 52.3 | TOT |
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