Former Carolina Panthers offensive tackle Nate Chandler signed with the Chicago Bears, according to a league source. Chandler previously visited the Detroit Lions. Chandler was released in March after missing the entire 2015 season because of a knee injury. He started 11 games at right tackle in 2014 and eight games in 2013.   Follow me on Twitter: @AaronWilson_NFL Aaron Wilson covers the Texans for The Houston Chronicle.