"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.

As North Carolina coach Bill Belichick continues to build out his staff in Chapel Hill, he's keeping his promise of having a "strong NFL presence." According to ESPN's Pete Thamel, Belichick and the Tar Heels are working towards finalizing a deal with longtime NFL special teams coach Mike Priefer.

On Wednesday, Belichick made two more additions to the staff for next season. Belichick brought in former NFL special teams coach Mike Priefer as North Carolina's new special teams coach and then hired Will Friend as the new offensive line coach, according to ESPN's Pete Thamel.