Duke freshman Cooper Flagg appeared to injure his left ankle after slipping under the basket and was helped to the locker room by two teammates late in the first half. He did not return.

For the third time this season, Duke and North Carolina are battling for their respective shades of blue. This time, in the semifinals of the ACC Tournament, the Blue Devils are out to a commanding 45-24 lead.

Here is everything you need to know about the ACC basketball tournament, including TV and streaming options for games.