Four teams are already locked into the NCAA men's tournament Elite Eight. Four more must earn their place. Breaking down Friday's Sweet 16 matchups.

On Friday, March 28, the NCAA March Madness tournament will continue with several enticing matchups. In the South Region, No. 2 Michigan State will face No. 6 Ole Miss ahead of No. 1 Auburn taking on No. 5 Michigan. In the Midwest Region, No. 2 Tennessee will battle No. 3 Kentucky before No. 1 Houston goes head-to-head with No. 4 Purdue.