| Team | Tm | Tier | Game |
|---|---|---|---|
| San Diego Padres | SDN | 6.87 | 202105230_SEA_SDN |
| Chicago White Sox | CHA | 4.44 | 202105210_CHA_NYA |
| Minnesota Twins | MIN | 1.81 | 202105220_MIN_CLE |
| New York Yankees | NYA | 1.4 | 202105210_CHA_NYA |
| Washington Nationals | WAS | 0.89 | 202105210_BAL_WAS |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Detroit Tigers | DET | -3.98 | 202105210_DET_KCA |
| Colorado Rockies | COL | -3.07 | 202105210_ARI_COL |
| Seattle Mariners | SEA | -2.13 | 202105220_SEA_SDN |
| LA Angels of Anaheim | ANA | -1.92 | 202105210_OAK_ANA |
| Kansas City Royals | KCA | -1.7 | 202105220_DET_KCA |
Based on accumulated WAA for this season up to 2021-05-23.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +032+ | 2.01 | Tyler Rogers | 25.7 | SFN |
| +033+ | 1.96 | Alex Reyes | 25 | SLN |
| +052+ | 1.66 | Aroldis Chapman | 20 | NYA |
| +053+ | 1.63 | Richard Rodriguez | 19 | PIT |
| +058+ | 1.58 | Mark Melancon | 21.3 | SDN |
| +063+ | 1.52 | Emmanuel Clase | 20.7 | CLE |
| +065+ | 1.5 | Michael Kopech | 28.3 | CHA |
| +070+ | 1.44 | Craig Stammen | 26.7 | SDN |
| +074+ | 1.4 | Andrew Kittredge | 22 | TBA |
| +077+ | 1.37 | Craig Kimbrel | 19 | CHN |
| +078+ | 1.35 | Giovanny Gallegos | 27.3 | SLN |
| +082+ | 1.32 | Ryan Pressly | 20.7 | HOU |
| +084+ | 1.31 | James Karinchak | 20.7 | CLE |
| +088+ | 1.3 | Kenley Jansen | 20.7 | LAN |
| XXXXX | 1.24 | Dan Winkler | 15.3 | CHN |
| XXXXX | 1.22 | Daniel Hudson | 17 | WAS |
| XXXXX | 1.21 | Caleb Baragar | 15 | SFN |
| XXXXX | 1.19 | Keegan Thompson | 12.7 | CHN |
| XXXXX | 1.18 | Cal Quantrill | 23.7 | CLE |
| XXXXX | 1.18 | Yimi Garcia | 19.7 | MIA |
| XXXXX | 1.17 | Genesis Cabrera | 23.3 | SLN |
| XXXXX | 1.14 | Josh Hader | 16.7 | MIL |
| XXXXX | 1.12 | Joel Payamps | 20.7 | TOR |
| XXXXX | 1.12 | Tejay Antone | 23.3 | CIN |
| XXXXX | 1.09 | Scott Barlow | 24.3 | KCA |
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