Madden NFL 2001 - Wikipedia
How John Madden Became the Face of a Video Game Empire - The New York Times
EA Sports' John Madden NFL Football Throughout the Years - The hobbyDB Blog
Madden NFL 23 Review - A Short Gain To Start A New Drive - Game Informer
Madden NFL 25 - Wikipedia
John Madden EA NFL Football Video Game Tribute
Madden NFL 23's cover star is John Madden himself - Polygon
John Madden Returns to the Cover of EA SPORTS Madden NFL 23
Madden NFL: Will Ferrell cast in film about origins of video game
Madden NFL 23 - Introducing the FieldSENSE™ Gameplay System - Electronic Arts