Malcolm Brogdon scored 17 points and No. 3 Virginia's defense locked down in the second half to beat No. 12 North Carolina 75-64 on Monday night.
Georgetown fell a few spots, but the Hoyas men's basketball team remains ranked in the latest Associated Press poll.
Tyus Jones scored 17 points, Quinn Cook had 15 and both made critical 3-pointers in the closing minutes, fueling a Blue Devils 69-63 victory against No. 2 Virginia.
Virginia star Malcolm Brogdon turned down a chance to go to Harvard to play for the Cavaliers, but still big plans for after basketball.
Undefeated Virginia sports the nation's top-ranked defense. Duke's freshman Jahlil Okafor is the No. 1 NBA Draft prospect. The two sides meet Saturday in Charlottesville.