North Carolina's Roy Williams praises new Pitt coach Kevin Stallings Posted May 16, 2016 Roy Williams’ relationship with Kevin Stallings is a long and cherished one. The North Carolina coach and the newly-hired Pitt coach worked together at Kansas for five years, where the former was the head coach and the latter an up-and-coming assistant. Since then, the pair has kept in touch. Williams even said there are things he uses to break a zone defense that he learned more than two decades ago from Stallings. (Pittsburgh Post-Gazette)