Corey Brewer retired from the NBA after the 2019-’20 Covid-shortened season at the age of 34. But he frequently wonders if his retirement was premature. “I feel like I can still play (in the NBA),” he said. “It’s one of those things where I decided to coach. Once you make the decision, for me it’s one of those things where I made the decision and you can’t think about it.”