On that play, Flagg drove to the basket on big man Hunter Dickinson. Adams arrived to help and swatted Flagg’s shot. He tried to recover the ball but knocked it out of bounds. On the next Duke possession, Adams stopped a three-on-one fast break by swatting Kon Knueppel’s shot at the rim.

Tyrese Proctor led Duke (4-2) with 15 points, Flagg scored 13, Kon Knueppel had 11 and Sion James finished with 10. Mayo put Kansas ahead for good when he made a jumper with 1:57 left for a 73-71 lead. Flagg hit a free throw for Duke and Rylan Griffen answered with two foul shots with 2 seconds left.

No. 1 Kansas jumped out of the gates early, then overcame a second-half ejection of All-America center Hunter Dickinson Tuesday for a tense 75-72 win over 11th-ranked Duke Tuesday night. The Jayhawks secured the high-profile win in Las Vegas while limiting Duke's Cooper Flagg to 13 points and forcing the freshman phenom into four turnovers.

Dajuan Harris scored 14 points and the top-ranked Jayhawks withstood the loss of star center Hunter Dickinson to beat the Blue Devils.

Cooper Flagg may be the top player in the country, but Kansas is the top-ranked team. And the Jayhawks proved why Tuesday. No. 1 Kansas defeated Flagg and

Duke basketball sensation Cooper Flagg earned some big-game redemption when he scored 24 points in a road win against Arizona last Friday, but he still had plenty to prove entering Tuesday’s collision with No.