The college basketball world was rocked by the announcements that North Carolina's Roy Williams was retiring and that Duke's Mike Krzyzewski was going to retire after the 2021-22 season. These two coaches were two of the greatest in not only the history of the ACC, but in the history of basketball. At the 2021 ACC Tipoff other coaches from around the conference shared their thoughts and reflected on the careers and their relationships with both coach Mike Krzyzewski and coach Roy Williams.