With Richard Hightower returning to run special teams, Coach Ben Johnson has the key pieces of his staff in place.

The Bears are bringing in former New Orleans Saints head coach Dennis Allen as defensive coordinator. Chicago has also hired Denver Broncos tight ends coach Declan Doyle to serve as the offensive coordinator and is retaining special teams coordinator Richard Hightower.

We spoke with John Sigler of Saints Wire to give us a rundown on what we can expect from new Bears defensive coordinator Dennis Allen.