Why was the Madden video game series named after John Madden? - Quora
John Madden Football II” - Found this old floppy disk from when I was a kid in an old box. Are they worth anything? I will say I first fell in love
John Madden, Biography, Football, & Facts
John Madden Football for the Apple II
The History of Video Games - PlayDeb
Supreme Court punts on Madden football game case
History of the Madden Cover Athlete
Graphical Evolution of Madden NFL (1988-2018)
From John Madden Football to Madden NFL 14: a video game history (Pt. II)