Michael Bethea Jr. sits in his Los Angeles home, unsure of what his basketball future holds. His phone rings, too late on this Sunday evening to be anything other than an important call. As Bethea and his girlfriend listen to his agent, Pedro Power, on the other end, he tries to play it cool. He’s been close before. This call — informing him that he’s being signed by Raptors 905, the G League affiliate of the Toronto Raptors — is just the latest in a series of starts and stops.