The Pac 12 regular season champion is officially on upset alert. Although the Wildcats just got a couple of crazy dunks by Oumar Ballo.

But despite the highlight reel dunks, it is the ACC’s Clemson who are up 39-31 at halftime. Ian Schieffelin has 9 points and Chase Hunter has 8 as it has been the Tigers getting better shots and playing solid defense.

Beware the ACC. They have invaded Los Angeles and Dallas over the next two days – and based on the first 20 minutes of the Sweet 16, it looks like they have intentions to stick around for a while.