Duke freshman Zion Williamson has officially been diagnosed with a Grade 1 right knee sprain.
He is listed as day-to-day.
Duke star Zion Williamson has a Grade 1 right knee sprain and will be day-to-day. Sigh of relief for the possible No. 1 overall pick.
— Shams Charania (@ShamsCharania) February 21, 2019