Richard Marvin "Dick" Butkus is a former American football player, widely regarded as the greatest linebacker of his generation and one of the best football players of all time. Butkus starred as a football player for the University of Illinois and the Chicago Bears. He became a member of the Pro Football Hall of Fame in 1979. Ad from January 2009.

Brian Urlacher is a six-time Pro Bowl linebacker for the Chicago Bears. He won the NFL Defensive Rookie of the Year Award in 2000 and the NFL Defensive Player of the Year Award in 2005, becoming only the fifth player in history to win both. 9/08