The best option to stop Knueppel is to put fellow freshman Drake Powell on him. Powell did a great job on Flagg for most of the game in Chapel Hill, and if Flagg sits, he'll be freed up to target Duke's new top offensive option.

Duke will be without star Cooper Flagg and forward Maliq Brown during Friday night's ACC tournament semifinal game against North Carolina. Flagg sprained his left ankle during the Blue Devils' 78–70 win over Georgia Tech in the ACC quarterfinals on Thursday.

Duke freshman standout Cooper Flagg delivered one more stellar performance in what may have been his final game at Cameron Indoor Stadium.

Cooper Flagg suffered what appeared to be a significant injury during the ACC Tournament on Thursday, but Duke has received at least some good news about

Injuries to Cooper Flagg and Maliq Brown overshadowed Duke basketball's comeback win against Georgia Tech at the ACC Tournament.

Duke’s Cooper Flagg, the ACC’s player and rookie of the year, appeared to injure his left ankle Thursday during the top-ranked Blue Devils’ ACC tournament opener in Charlotte. Flagg came down awkwardly on the foot of Georgia Tech’s Baye Ndongo while pulling down a rebound late in the first half.

ACC Player of the Year Cooper Flagg was ruled out for Duke's conference tournament semifinal matchup with North Carolina on Friday night in Charlotte.

So there's no great reason for Cooper Flagg to play Friday against North Carolina in the ACC Tournament semifinals one day after spraining his left ankle in a win over Georgia Tech. A potential Flagg absence would be good for a UNC team desperately in need of a Q1 win,