| Team | Tm | Tier | Game |
|---|---|---|---|
| San Diego Padres | SDN | 4.25 | 202109070_ANA_SDN |
| San Francisco Giants | SFN | 3.43 | 202109080_SFN_COL |
| Milwaukee Brewers | MIL | 2.43 | 202109080_PHI_MIL |
| Tampa Bay Rays | TBA | 2.38 | 202109060_TBA_BOS |
| Chicago White Sox | CHA | 1.65 | 202109070_CHA_OAK |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Colorado Rockies | COL | -3.74 | 202109080_SFN_COL |
| Arizona Diamondbacks | ARI | -3.55 | 202109080_TEX_ARI |
| Pittsburgh Pirates | PIT | -2.41 | 202109080_DET_PIT |
| Chicago Cubs | CHN | -2.16 | 202109060_CIN_CHN |
| Baltimore Orioles | BAL | -2.13 | 202109060_KCA_BAL |
Based on accumulated WAA for this season up to 2021-09-08.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +047+ | 4.15 | Andrew Kittredge | 65 | TBA |
| +054+ | 3.85 | Tyler Rogers | 68 | SFN |
| +056+ | 3.8 | Emmanuel Clase | 59.7 | CLE |
| +055+ | 3.8 | Aaron Loup | 49.7 | NYN |
| +057+ | 3.76 | Garrett Whitlock | 67.7 | BOS |
| +064+ | 3.54 | Andrew Chafin | 59.3 | TOT |
| +066+ | 3.43 | Collin McHugh | 55.3 | TBA |
| +068+ | 3.35 | Blake Treinen | 63 | LAN |
| +072+ | 3.28 | Drew Steckenrider | 57.3 | SEA |
| +079+ | 3.16 | Josh Hader | 49.7 | MIL |
| +080+ | 3.13 | Mark Melancon | 58.3 | SDN |
| +088+ | 2.89 | Kendall Graveman | 49 | TOT |
| +089+ | 2.87 | David Bednar | 57.7 | PIT |
| +097+ | 2.72 | Craig Kimbrel | 50.7 | TOT |
| +098+ | 2.7 | Adam Cimber | 61 | TOT |
| +100+ | 2.69 | Scott Barlow | 65.3 | KCA |
| +101+ | 2.68 | Luke Jackson | 52.7 | ATL |
| +108+ | 2.52 | Jarlin Garcia | 58.7 | SFN |
| +114+ | 2.46 | Dominic Leone | 40.7 | SFN |
| +116+ | 2.46 | Richard Rodriguez | 56 | TOT |
| +121+ | 2.39 | Craig Stammen | 76.7 | SDN |
| +123+ | 2.36 | Ryan Pressly | 56.7 | HOU |
| +125+ | 2.35 | Raisel Iglesias | 62 | ANA |
| +130+ | 2.26 | Casey Sadler | 29.7 | SEA |
| +134+ | 2.24 | Jordan Romano | 54 | TOR |
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