By Doug Samuels Coach K is in his 47th year as a head coach and as the curtain begins to drop on his career he shares that even one of the greatest coaches ever still needs to evolve for his team to see results When this tournament run ends for the Blue Devils, Duke head coach Mike Krzyzewski will walk off the court one final time as one of the greatest coaches in sports history. View the original article to see embedded media. The 2021-22 Blue Devils let an opportunity slip through their fingers when they lost coach K’s last home game at Cameron Indoor to rival UNC, and that was a turning poi…