Denver Broncos defensive coordinator works with the defense during practice August 22, 2013 at Dove Valley
Credit: John Leyba
Oakland Raiders new head coach Jack Del Rio (C) holds a jersey as he poses for a photograph with Raiders general manager Reggie McKenzie (L) and Raiders owner Mark Davis (R) during a news conference on January 16, 2015 in Alameda, California. The Oakland Raiders announced the hiring of Jack Del Rio as their new head coach.
Credit: Justin Sullivan
Interim head coach Jack Del Rio of the Denver Broncos and head coach Andy Reid of the Kansas City Chiefs meet after the game at Sports Authority Field at Mile High on November 17, 2013 in Denver, Colorado. The Denver Broncos defeated the Kansas City Chiefs 27-17.
Credit: Doug Pensinger
Head coach of the Jacksonville Jaguars, Jack Del Rio looks on from the sideline against the Philadelphia Eagles during their preseason game at Lincoln Financial Field on August 13, 2010 in Philadelphia, Pennsylvania.