Share this postToday's Tidbit... John Madden was Def. Coordinator at San Diego State Under Don Coryellwww.footballarchaeology.comCopy linkTwitterFacebookEmailTidbitsToday's Tidbit... John Madden was Def. Coordinator at San Diego State Under Don CoryellTimothy P. BrownApr 15, 2022Share this postToday's Tidbit... John Madden was Def. Coordinator at San Diego State Under Don Coryellwww.footballarchaeology.comCopy linkTwitterFacebookEmailJohn Madden was the Defensive Coordinator under Don Coryell at San Diego State from 1964 to 1966. Joe Gibbs was the O-line coach those years as well.