No. 8 North Carolina beats No. 1 Duke 88-72; Williamson hurt

Duke's Zion Williamson (1) falls to the floor with an injury while chasing the ball with North Carolina's Luke Maye (32) during the first half of an NCAA college basketball game in Durham, N.C., Wednesday, Feb. 20, 2019. (AP Photo/Gerry Broome)

DURHAM, N.C. — Zion Williamson blew out his shoe, and then No. 8 North Carolina blew out top-ranked Duke.