Mike Krzyzewski has won 927 college basketball games.
His Duke teams have cut down the nets times times as NCAA National Champs.
He was the head coach of the US gold-medal winning team in the 2008 Summer Olympics.
In spite of all of those (and many more) accomplishments, Krzyzewski still needs to address some issues on his current team if they are going to compete for both ACC and NCAA Championships in the upcoming season.
Here are five questions that Coach K must answer going into the 2012-13 season.