Presently, there is not a fully executed and signed contract between Belichick and UNC, sources told CBS Sports — and the school confirmed — this week. Industry sources say that could create to a legal gray area about how much, if any, of a buyout would exist if Belichick left for the pros.

Bill Belichick has not yet signed his contract with the University of North Carolina, which reportedly is making school officials wonder if he's planning a departure for the NFL.