After a season where defenses have routinely been torn apart by the pass, struggling franchises will be doing all they can to improve their ability to limit points.
That makes experienced defensive gurus hot commodities during the offseason, and there are several prime candidates for defensively challenged teams to choose from.
There are a number of former head coaches whose expertise on the defensive side of the ball make a return to a coordinator's role a logical career move.
But there are also some shrews position coaches, young and old, who could work wonders if given the chance to direct an entire defense.
Here's a list of the 10 best potential defensive coordinators available to NFL teams this offseason, along with the most suitable landing spots for each candidate.