Bears Rewind: Bears 21, Giants 0 — January 5, 1986 - Bleacher Nation
Which NFL team had the most intimidating defense? - Quora
Pompei: Jim Covert's case for the Hall of Fame - The Athletic
Buddy Ryan, 82; NFL coach helped transform defense - The Boston Globe
Michael Weinreb: Excerpt from 'Bigger Than The Game' - ESPN Chicago
Owning the NFL's top scoring defense no longer equates to making the playoffs
Super Bowl Tournament: A Big Game Bracket to Crown the Greatest NFL Champion of All Time
Exploring the legacy of Bill Parcells
NFL Nostalgia: Ranking the Best Defenses in NFL History, News, Scores, Highlights, Stats, and Rumors
The Jets All-Time Best Players Part 4 - Gang Green Nation
Covert joins all those Hall of Famers he made look good
The 1985 Chicago Bears Just Notched Their Biggest Win Ever at Emotional Fundraiser for ALS-Stricken Teammate Steve McMichael
NFL Top 50: Bears great Gale Sayers, only slowed by injuries, not defenses – the Daily News' rankings (No. 21-30) – New York Daily News
Time spent with New York Giants shaped Bill Belichick's genius