Madden NFL 19: The weird story behind the first 'John Madden
Remembering John Madden, the video game character - Los Angeles Times
Madden NFL 19: The weird story behind the first 'John Madden
John Madden: A coach synonymous with football, thanks to a video
John Madden dies: Raiders' Hall of Fame coach, NFL analyst was 85
John Madden, Hall of Fame coach and broadcaster, dies at 85
John Madden, American-football coach turned TV sportscaster whose
John Madden, former NFL Hall of Fame coach and broadcaster, dies at 85
How John Madden became the biggest name in video games
John Madden to grace cover of Madden NFL 23 video game; first time