COLUMBIA, S.C. (AP) — Zion Williamson had an explosive NCAA Tournament debut with 25 points and a can't-miss second-half showcase to lead top-seeded Duke to an 85-62 win over North Dakota State on Friday night. RJ Barrett led Duke with 26 points and 14 rebounds and combined with Williamson for a prolific showing for the freshmen stars.Read more on NewsOK.com