John Calipari is nearly three-and-a-half decades into his college basketball head coaching career. Already inducted into the Basketball Hall of Fame in 2015 and the owner of a national championship from Kentucky's 2012 run,

While the New York Knicks poke around basically every employed NBA head coach in an effort to address their own vacancy, another college coach has taken his hat out of the potential mix.

The Knicks, meantime, are the only coaching opening in the NBA but they have been shut down while trying to speak with numerous sitting NBA head coaches, including Jason Kidd (Dallas), Ime Udoka (Houston), Chris Finch (Minnesota), Billy Donovan (Chicago) and Quin Snyder (Atlanta).