John Madden Football '92 (Game) - Giant Bomb
25 Things Only John Madden Knew About The Video Games
TGDB - Browse - Game - John Madden Duo CD Football
25 Things Only John Madden Knew About The Video Games
John Madden Duo CD Football Review for the TurboDuo
Download John Madden Duo CD Football (TurboGrafx CD) - My Abandonware
PC Engine CD - John Madden Duo CD Football © 1993 Hudson - Gameplay
Download John Madden Duo CD Football (TurboGrafx CD) - My Abandonware
Retro Gamer Randomness: 2020
John Madden Football Download - GameFabrique
Wiki Project: Turbo Time (CD) - TurboGrafx-CD - Giant Bomb
John Madden Football (Game) - Giant Bomb