Mike Krzyzewski is one win away from no. 1000 in his career, and he’s firmly cemented his legacy as the best college basketball coach in history. However, there was a time when Coach K was not considered the best mind in the game. In 1980, Michael Jordan chose to go to the University of North Carolina and coach Dean Smith over Duke. Here’s the letter Krzyzewski sent to MJ after he made the decision.

Yeah, Coach K seems to know quite a bit about basketball.