Urlacher: The Heart of the Bears D
Best NFL pass-rushers by year: Who owns the Championship Belt? - ESPN
Brian Urlacher: 'I changed the way middle linebacker was played'
2000's All Decade NFL Draft: Reliving the Best Picks at Numbers 1-32, News, Scores, Highlights, Stats, and Rumors
Brian Urlacher Hall of Fame vote: Bears LB inducted in 2018
Brian Urlacher Underwent Arthroscopic Knee Surgery - The Chicagoist
Pro Football Journal: The Top Outside Linebackers of All-Time
The Draft - Page 16 of 27 - Big Blue Interactive
Denver Broncos news: 4 players that should already be in Hall of Fame
Brian Urlacher met lofty standards set by Bears linebackers
NFL's All-Decade Team of the 2000s - DEFENSE
Which NFL great linebacker was the best out of Jack Lambert, Mike Singletary, Ray Lewis, Derrick Brooks, and Brian Urlacher? - Quora