Tale of the Tape: UNC vs Louisville Posted Jan 9, 2015 This will be a match-up of two very good defensive teams. Louisville is second nationally in offensive efficiency while UNC is 10th. On paper this could be an issue for UNC"s somewhat inconsistent offense except for the fact the Cardinals offense is even less efficient than UNC's. However the real number to watch here is Louisville's defensive turnover rate. (Tar Heel Blog)