Cooper Flagg had 21 points, eight rebounds and seven assists in his Duke-North Carolina rivalry debut, helping the second-ranked Blue Devils roll past the Tar Heels 87-70 on Saturday night.
Fellow freshman Kon Knueppel scored 22 points for Duke (19-2, 11-0 Atlantic Coast Conference), which shot 52.8% and made 10-of-20 from 3-point range to win their 15th straight game.
RJ Davis and Drake Powell each scored 12 points to lead the Tar Heels (13-10, 6-5), who fell behind 40-13 and trailed by as many as 32 points.
Takeaways
UNC: The Tar Heels have lost four of five, with the lone victory coming in overtime against a Boston College team that had just one league win at the time.
Duke: The Blue Devils have won their 11 league games by an average of 19.8 points, though there were grinds in the past week to beat Wake Forest and N.C. State.
Key moment
The Blue Devils wobbled the Tar Heels with a…