Every athletic director in the country has a short list of coaches he would consider if his coach leaves.
For the ADs with legends patrolling the sidelines, this is a sensitive subject. For one, you're not in a hurry to get rid of your current coach. It's also become customary to consult the outgoing legend out of respect. And the final thing to consider is that you need a coach with enough confidence in himself to replace the legend.
There are currently four coaches in the country who have earned 'legend' status and are also nearing or already at retirement age: Syracuse's Jim Boeheim, Louisville's Rick Pitino, North Carolina's Roy Williams and Duke's Mike Krzyzewski.
For the four ADs at those schools, let's consider the ideal replacement at each program.