I saw him sink one of the greatest shots in NBA history to beat the Warriors in Game 7 of the 2016 Finals. He’s an Olympic gold medalist, a Nike ambassador and a very wealthy man. But with each passing year, I’ve witnessed him do and say things to pull at the threads of his career, as though he wants it to unspool. “I am worried about him because I can’t find the upside for him in his actions,” a league executive told me, one of the more than two dozen people I spoke to for this story. Many of those I spoke to who work in the NBA shared a similar sentiment.