It's funny how quickly the playoffs can change the vibes around an NBA team.

In the first round of the playoffs, the Sixers overcame a 3-1 series deficit for the first time in franchise history to topple the Boston Celtics, whom they hadn't defeated in a playoff series since the early 1980s. One week later, they were on the receiving end of a demoralizing sweep at the hands of the New York Knicks.

While team president Daryl Morey and head coach Nick Nurse seemed safe after the Celtics series, the Sixers decided to part ways with Morey two days after their season ended.…