Who will be the X-factors in Saturday’s Duke-UNC game? As the rivals play for the top spot in the ACC standings, have the Blue Devils and Tar Heels addressed issues they have had this season? And, outside of Duke and UNC, who else could win the ACC?

N&O sports columnist Luke DeCock, UNC beat writer C.L. Brown and Duke beat writer Steve Wiseman answer these questions and others.

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