After North Carolina cut a 24-point, second-half deficit to one, Ven-Allen Lubin had two free throws with 4.1 seconds left to potentially give the Tar Heels (22-13) the lead. But he missed the first and had the second made free throw waved off after teammate Jae’Lyn Withers stepped in the lane too early.

Kon Knueppel scored 17 points and No. 1 Duke held off a furious second half rally by rival North Carolina to beat the Tar Heels for the third time this season, 74-71 on Friday night to reach the Atlantic Coast Conference Tournament championship game.

There was a development in the ACC Tournament on Thursday that could have ramifications at both ends of the bracket. Duke All-American freshman Cooper Flagg suffered a sprained ankle in the first half of the Blue Devils' win over Georgia Tech in the ACC quarterfinals.