Report: John Fox, Jack Del Rio to be fined - The Washington Post
Broncos coach Fox undergoes heart surgery
Jack Del Rio Will Find Success as Interim Head Coach of Denver Broncos, News, Scores, Highlights, Stats, and Rumors
Notes: 49ers, Raiders name new coaches - The Boston Globe
Jack Del Rio likely Broncos interim coach, Eric Studesville in mix
Broncos name Del Rio interim coach
NFL: Broncos coach John Fox undergoes heart surgery – The Mercury
Jack Del Rio named Broncos' interim head coach, replacing John Fox, Sports
Mike Mularkey faces long odds to shed interim coach tag
John Fox returns to Broncos camp after heart surgery – News-Herald
2013 Denver Broncos, American Football Wiki
Jack Del Rio named Broncos interim head coach
Raiders name Broncos' Del Rio new head coach, Football
Jack Del Rio to coach Raiders