Former Indianapolis Colts defensive coordinator Matt Eberflus was hired to be the new head coach of the Chicago Bears, leaving the Colts to find someone to fill the void on the staff.
As the Colts have gone through the process, they came to the conclusion that it would benefit both themselves and Eberflus if the latter essentially wiped the slate clean on the defensive side of the coaching staff,
The Colts have ultimately decided to bring in a new defensive coordinator from the outside, giving that new coach the chance to assemble his own staff.