Consider this: on 11/27, the day after Ja Morant injured his ankle vs ATL, the Grizzlies were 9-10 and dead last in Defensive rating by a mile. From that day since, the Grizzlies have gone 32-8 and have been 2nd in Def rtg. That level of improvement is hard to believe.
Source: Washington Post February 17, 2022 22:21 UTC