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 beat Georgia Tech, and UNC won against Wake Forest, which set up a third matchup between the two Carolina teams this season. This time, it will be at the ACC Tournament semi-finals. Duke, North Carolina set for semifinal matchup after busy afternoon inside the Spectrum Center

We know what Flagg can do but with Brown, UNC found out first hand on Saturday. When Brown entered the game in the second half with UNC up seven, Duke went on a big run. He essentially took RJ Davis out of the game with his length and he's an issue on switches for guards.