Within less than 24 hours, football saw indisputably the two most accomplished college and NFL coaches in history, who happen to be good friends, head to the exit.
Nick Saban, architect of the greatest college football dynasty at Alabama, decided he had enough and abruptly retired at 72.
Bill Belichick, 71-year-old architect of the greatest NFL dynasty with the New England Patriots, came to a mutual parting of ways with owner Robert Kraft.