46 Defense Taylor Blitz Times
Browns coach Mike Pettine shares 'Buddy Ball' roots with Saints' Rob Ryan, Saints
Buddy Ryan, NFL coach and defensive mastermind, dies at 82
WCG Top 100 Chicago Bears players of all-time: 100-1 - Windy City Gridiron
46 Defense, PDF, American Football
Ranking the best decisions in Bears history: Mike Ditka, Jim Finks and the T-formation - The Athletic
Doug Plank 46: Walk the Plank
Bears 1985 defensive coordinator Buddy Ryan dies
Valley News - Buddy Ryan, NFL Coach and Defensive Whiz, Dies
Coaching legends Pat Summitt, Buddy Ryan pass away, Sports
After the 1985 season, did NFL teams figure out ways to beat the Chicago Bears defense? - Quora