Buddy Ryan, Eagles coach and NFL defensive mastermind, dies at 85
Former NFL coach, defensive guru Buddy Ryan dies at age 85 - ESPN
Buddy Ryan, 82; NFL coach helped transform defense - The Boston Globe
2023 Troy Football Media Guide by Troy University Athletics - Issuu
Legendary Bears defensive coordinator Buddy Ryan dies
2014 Georgia Tech Football Information Guide by GTAthletics - Issuu
A look back at some of the biggest stories of 2018
Buddy Ryan, Eagles coach and NFL defensive mastermind, dies at 85
Buddy Ryan, Eagles coach and NFL defensive mastermind, dies at 85
Former NFL coach, defensive guru Buddy Ryan dies at age 85 - ESPN
Buddy Ryan, Iconic Mastermind of '85 Chicago Bears Defense, Dies