Do Daryl Morey and Nick Nurse need a deep playoff run to keep their jobs?

Will the Jared McCain trade come back to haunt the Sixers? If the Sixers do not make a deep playoff run, should the Sixers look to replace Daryl Morey and Nick Nurse? Does the health and availability of Joel Embiid and Paul George factor into that equation? And can Justin Edwards find his way back into the rotation for a Sixers team desperate for shooting?