Kon Knueppel scored 17 points and Tyrese Proctor and Sion James both notched 16, and No. 2 Duke responded from a seven-point deficit in the second half to beat rival North Carolina 82-69 on Saturday night at Chapel Hill,

Duke played down a man — or two — for most of February and the first two games of March. For the final regular-season game at UNC, the Blue Devils had all players available.

The Tar Heels likely need to win the ACC tournament to earn a bid into the NCAA tournament after middling in a historically weak league with no signature wins.