Follow all the developments on the NFL's open market with our up-to-the-minute tracking of 2014's free agents. More...
Houston's arrival also ended the reign of Julius Peppers, who was released Tuesday after four seasons in Chicago.
Houston played at a Pro Bowl level for the Oakland Raiders this past season and gives Bears defensive coordinator Mel Tucker a moveable chess piece in Chicago's 4-3 scheme. Ranking fifth on Around The League's list of the top 101 free agents, the 26-year-old defender piled up six sacks in 2013 and ranked eighth in the NFL with 16 hits on the passer.
Houston's also a strong presence against the run, which looms as critical for a Bears team that finished last in that category this past season, allowing a league-worst 161.4 yards per game on the ground.
Chicago "pushed hard" for Houston after Bennett re-signed with Seattle. Landing the lineman as he enters his prime serves a double purpose for the Bears: Their rival, the Green Bay Packers, were said to be very interested in Houston, who now sets his sights on making life tough for Aaron Rodgers for years to come.