Duke basketball and UNC played a thriller in the ACC Tournament at Spectrum Center. Here are the observations.

While the focus will undoubtedly skew toward Duke — with or without Cooper Flagg — UNC, Clemson and Louisville are coming off thrilling finishes in their own quarterfinals.

Duke basketball’s Tyrese Proctor, Kon Knueppel discussed injuries and the win vs Georgia Tech at the ACC Tournament.

Kon Knueppel scored 17 points and No. 1 Duke held off a furious second half rally by rival North Carolina to beat the Tar Heels for the third time this season, 74-71 on Friday night to reach the Atlantic Coast Conference Tournament championship game.

Will Duke basketball guard Cooper Flagg play vs UNC in the ACC tournament quarterfinal Friday? Here's the latest injury updates:

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.

Duke star Cooper Flagg left Thursday’s Atlantic Coast Conference Tournament quarterfinal game with a left ankle injury and had to be helped to the locker room

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

Duke star forward Cooper Flagg will be absent for his team’s ACC tournament semifinal showdown against archrival North Carolina Friday after an ankle injury suffered in the Blue Devils’ 78-70 victory over Georgia Tech on Thursday.

Cooper Flagg and Maliq Brown have been ruled out for No. 1 Duke’s game against North Carolina in the Atlantic Coast Conference Tournament on Friday because of injuries.