These trees have many branches

By no means is this list comprehensive -- that would probably require a book. Plenty of current coaches have just as prolific of a legacy as these six. This is simply meant as a snapshot look at different coaching trees in different parts of the country.

Jim Calhoun, Connecticut; former head coach Northeastern

Tom Izzo, Michigan State

Mike Krzyzewski, Duke; former head coach, Army

Mike Montgomery, California; former head coach, Stanford, Montana

Rick Pitino, Louisville; former head coach Boston University, Providence, Kentucky

Gary Williams, Maryland; former head coach Ohio State, Boston College, American