... belong, old coaches have to prove that they deserve to stick around and veterans who have switched teams want to show they've still got the groove.

This year has no shortage of major coaching storylines.

Even more fun is the number of head coaches who must step up and meet expectations of fans and owners alike.

Take a look at the top five head coaches who have something to prove this year.

Begin Slideshow

...

Read Complete Article at Bleacher Report - NFL