He has never been a head coach before and the team would essentially be replacing one inexperienced defensive-minded head coach (Robert Saleh) with another. Glenn will need to hire a competent play-caller on offense to make sure the team is in a better position.

Glenn, a Jets first-round pick in 1994, has been the Lions' defensive coordinator for the last four seasons and is a highly sought-after candidate this coaching cycle.

From Mike Vrabel to Rex Ryan, Ben Johnson to Aaron Glenn, a look at where the franchise and the candidates stand.