The Best Moments From The UNC-Duke Basketball Rivalry Posted Feb 11, 2013 The UNC-Duke Basketball rivalry has been considered as one of the biggest college and sports rivalries of all time! Starting in 1920, the two teams have faced off against each other twice each year and in the ACC Tournament. Take a look back at some of the best moments (and worst if you were on the losing side) from this incredible rivalry: (CBS Charlotte)