When he retired from pro football after an instantly legendary career in which he won six Super Bowls with the New England Patriots and another in the first of his three years playing for the Tampa Bay Buccanneers,

Dan Campbell and the Detroit Lions have had to revamp their coaching staff early this offseason. The Lions lost both coordinators to head coaching jobs, with offensive coordinator Ben Johnson taking over the Chicago Bears and defensive coordinator Aaron Glenn leaving for the New York Jets.

The Detroit Lions' coaching staff has undergone the biggest changes yet this offseason under fifth-year head coach Dan Campbell.

Detroit Lions head coach Dan Campbell has hired former Stanford sideline boss David Shaw as his new passing game coordinator.