BARCELONA, SPAIN - SEPTEMBER 11: Head coach Mike Krzyzewski of the USA Basketball Men's National Team reacts during a 2014 FIBA Basketball World Cup semi-final match between USA and Lithuania at Palau Sant Jordi on September 11, 2014 in Barcelona, Spain. (Photo by David Ramos/Getty Images)

Coach K forgets he's mic'd up and gives us a NSFW gem we will never forget

That is NSFW, Coach K!

Kyrie Irving only played 10 games for the Duke Blue Devils, but he must surely know better than to interrupt a practice run by coach Mike Krzyzewski. That's exactly what he did during USA Basketball practice and Coach K was none too happy about it.

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Forgetting that he was mic'd up —- a big no-no for open practices —- Coach K gave us a good "f**k you" to Irving who so rudely interrupted his practice.

Thank goodness NBA TV had their mics hot for this one because that is a gem we will never get to hear during one of Krzyzewski's college practices. Mostly because he would never allow cameras or mics in those practices and if he did he would certainly keep everything PG-rated.

 

[h/t Bro Bible]