PHOTO: Don Coryell and Dan Fouts in their Air Coryell years changing the game of football. By TOM SHANAHAN 'John Madden, Joe Gibbs and Dan Fouts sat together as Don Coryell disciples for their mentor’s 2010 memorial on San Diego State’s campus. They shared the same thoughts delivering eulogies, but Fouts admits Madden said it best. “All three of us are in all Hall of the Fame because of Don Coryell,” said Madden, chocking up. “Something is missing.” Madden’s…