The Chicago Bears and general manager Ryan Pace announced a contract extension on Saturday.The team announced that they signed right tackle Bobbie Massie to a four year contract extension.Financial details weren't announced but Pace did release a statement. "Bobby has been an important part of our offensive line the past three years and has shown steady improvement during that time," Bears general manager Ryan Pace said in a statement. "Bobby has a tremendous work ethic and has displayed the kind of toughness and consistency we want in our players. More importantly, he is a great teammate and we're excited to keep him in the fold."