Duke Blue Devils head coach Mike Krzyzewski and North Carolina Tar Heels head coach Roy Williams before the game at Dean E. Smith Center. Bob Donnan-USA TODAY Sports

Duke coach Mike Krzyzewski faced off against Roy Williams many times in one of college basketball’s most heated rivalries. On the day of Williams’ retirement, however, Coach K demonstrated just how much he respects his North Carolina counterpart.

Krzyzewski issued a statement after Williams announced his retirement from coaching on Thursday. The Duke coach paid tribute to Williams’ longevity and success and praised Williams for what he has done for the sport.

“College basketball is losing one of its greatest coaches and a man who genuinely cares about the game of basketball, and more importantly, the people who play it,” Coach K said. “Roy has led two iconic programs as a head coach and did so in exemplary fashion. I have the utmost respect for Roy and his family, who represented themselves and their institutions with class, grace and humility. While were on opposite sides of college basketball’s greatest rivalry, we both understood how lucky we were to be part of it and always tried to represent it in the way it deserved.”

Williams and Krzyzewski treated fans to plenty of memorable Duke-North Carolina games over the years. Ultimately, Coach K got the better of their personal rivalry, going 22-18 against Williams’ Tar Heel teams.

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