 Gibron played himself in the critically acclaimed 1971 TV movie "Brian's Song", the story of Chicago Bears teammates Brian Piccolo and Gale Sayers.As his coaching career was drawing to a close in 1984, Gibron's teenage son James struck and killed a woman from Largo, Florida while driving drunk.James pleaded no contest to manslaughter charges and was tried as an adult, but the verdict was overturned on appeal.