The first ACC Tournament semifinal features one of the most storied rivalries in college sports as the Duke Blue Devils (29-3, 20-1) take on the Tar Heels of North Carolina (22-12, 15-7). Storylines abound but the largest is Cooper Flagg's availability.

It’s the fourth day of the ACC Tournament, and it’s time to get real. With the ACC’s best set to play in the semi-finals today, fans are in for some great games. We’ve got a classic rivalry to start the night,

The No. 1 Duke Blue Devils play in the ACC Tournament against the North Carolina Tar Heels. Friday's game is the third meeting of the season between the two teams.