The first CBS Sports Classic college basketball event takes place Saturday, Dec. 20, at the United Center in Chicago. The event features some of college hoops’ most competitive and storied teams. Things tip off at 1pm ET on CBS as the No. 24 North Carolina Tar Heels take on the No. 12 Ohio State Buckeyes. Following that game, at 3pm ET on CBS, the UCLA Bruins face the No. 1 Kentucky Wildcats.