Rivers might have a more significant problem to manage than merely tuning out the naysayers questioning his presence on the Top 15 list. The conspiracy theory already making the rounds in league coaching circles holds that Sixers president of basketball operations Daryl Morey will eventually want Mike D’Antoni to take over in the hot seat for Philadelphia’s new Joel Embiid/James Harden tag team after D’Antoni’s offensive creativity helped catapult Harden to three scoring titles in Houston.