NCAA Zion Williamson suffers grade 1 knee sprain By Erikas Polockas - Feb 22, 2019 12:55 AM FacebookTwitterWhatsAppReddItDiggEmail Duke freshman Zion Williamson has been diagnosed with a grade 1 right knee sprain and his status is day-to-day. See moreNEWS: Zion Williamson was diagnosed with a Grade 1 right knee sprain. He is progressing as expected, and his status is day-to-day. pic.twitter.com/H8YUZGnOyc— Duke Men’s Basketball (@DukeMBB) February 21, 2019