Last January the Detroit Lions made one of their biggest hires of the last few years when they hired Terrell Willaims away from the Tennessee Titans to be their new defensive line coach.  Williams has been considered to be one of the best,

Detroit Lions defensive line coach Terrell Williams is departing the organization and will accept the defensive coordinator position with the New England Patriots. Williams had previously worked with Patriots head coach Mike Vrabel during their stint with the Tennessee Titans.