John Riordan: 'What Bill has accomplished will never be replicated'

COACHING DEPARTURES: New England Patriots head coach Bill Belichick twirls his whistle during an NFL football practice. Pic: AP Photo/Steven Senne, File

One by one, in the space of less than 24 hours, three coaching departures ruptured American Football, each tremor more dramatic than the last.

How did the US respond to Bill Belichick, Nick Saban and Pete Carroll moving on from the New England Patriots, the University of Alabama and the Seattle Seahawks on Thursday morning and Wednesday afternoon?