Bears linebacker Urlacher retires after 13 seasons
Bears' Urlacher Announces His Retirement
Brian Urlacher Career Moments Photo Gallery
Brian Urlacher - Wikipedia
Chicago Bears Legend Brian Urlacher Selling Arizona Estate for $2.5M
Brian Urlacher Retires After 13 Seasons With Bears - The New York Times
Bears' Urlacher announces his retirement – Orange County Register
NFL: Bears LB Urlacher announces his retirement, Local Sports
Urlacher announces NFL retirement with 'no regrets'
Vote: Is Brian Urlacher A Hall Of Famer? - CBS Chicago