Considered the front-runner for the job when Brian Schottenheimer was hired as Dallas Cowboys head coach, Matt Eberflus is now the team's defensive coordinator, the team announced Tuesday. Eberflus served as the head coach of the Chicago Bears for nearly three seasons before he was fired on Nov.

Dallas has also hired Nick Sorenson to serve as special teams coordinator under new head coach Brian Schottenheimer.

The Dallas Cowboys have been busy assembling their coaching staff this January after the departure of former head coach, Mike McCarthy. His replacement, Brian Schottenheimer, appointed former Bears head coach,