Kyrie Irving, Mike Krzyzewski

There was a time Mike Krzyzewski advertised himself as a father-figure to Kyrie Irivng. He popped into Irving's AAU games, sat on the Irving family couch and promised Irving he could turn him into an NBA-ready player at Duke. Irving committed to play in Durham in October 2009 and was the first pick in the NBA Draft less than two years later.

Now 24, and with an NBA championship under his belt, Irving thinks he can joke around with Krzyzewski. But Coach K is having none of that.

Coach K response to kyrie's joke tho #usabasketball #kyrie #coachk #fuckyou #micdup #practice #hoops

A video posted by Parker 708 (@itsparker708) on

Yeah, that is Coach K dropping "F*** you" twice.

Krzyzewski knew he was "Mic'd Up," or at least theoretically, should have remembered he had a microphone on him. But it was the heat of the moment and Irving was stalling the drill with his antics.

Although a toe injury kept Irving out of most of his only collegiate season -- he only played 11 games -- the coach and player displayed a notable bond. And according to this ESPN commercial, they still text:

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-- Follow Jeffrey Eisenband on Twitter @JeffEisenband.