It was a tough season for the Bears on offense and for running back Matt Forte, who rushed for just 929 and four touchdowns, this after a much better rookie season where he was one of the best young backs in the game. Now the running back had knee surgery according to this ESPN story , which says that he underwent the surgery at some point over the past two weeks: Chicago Bears running back Matt Forte underwent arthroscopic surgery on his left knee within the past two weeks, a source close to the player confirmed Thursday