The team's roster has to be trimmed down to 15 when they hit the floor opening night, but a rarely used mechanism in the Collective Bargaining Agreement could eventually open up a 16th roster spot.
With one preseason contest left to go and a handful of prospects battling it out for essentially a green light on their respective NBA careers, the clock is ticking on final roster lists around the league. Each NBA team must cut its final roster down to 15 bodies by the time its season kicks off, and the Sixers have a couple of close calls that are tough to identify even for those who keep their ears close to the ground.