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

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.

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.