We’ve seen it a million times throughout sports. When a team is struggling and can’t find a way to win a game, the finger-pointing starts and everyone starts calling for the coach’s head. Can’t win? Fire the coach. Can’t score points? Fire the coach. Missed the playoffs? Again? Fire the coach. The list of baseball managers, basketball coaches and hockey coaches fired mid-season is extensive and many of those teams used the change as a stepping stone to bigger and better seasons under the new regime.

It’s a little different in football. Firing a head coach mid-season can be extremely complicated. Each coach brings in his own personnel and the offensive and defensive coordinators are usually working off schemes designed by their superior. Are there exceptions? Of course, but for the most part, head coaches and coordinators are in lockstep with how the squad is run. If you change head coaches and don’t simply promote a coordinator to finish out the season, you’re looking at the...