If the Dallas Cowboys want to pursue Bill Belichick as the team's next head coach, the door has been opened with an interesting UNC contract development.

Ever since Bill Belichick agreed to become the next head football coach of the North Carolina Tar Heels, questions regarding whether he would return to the NFL have surrounded him. Many have pointed to his buyout clause with UNC: $10 million if he terminates his employment with the school before June 1,

"Sources tell CBS Sports — and UNC confirmed this week — that there is no fully-executed and signed contract between Belichick and UNC. And industry sources say that could lead to a legal gray area about how much, if any, of a buyout there would be if Belichick left for the pros.