Armed with a new contract, wide receiver Brandon Marshall expects nothing less of himself than what he's given the Chicago Bears over the past two seasons. In an emotional news conference to officially announce his three-year, $30 million contract extension Thursday at Halas Hall, Marshall thanked everyone from his wife and agent to the Bears' grounds crew and marketing department. ''Well, the transformation started in my life before I was traded here, but I think it was career saving,'' Marshall said of the trade by Bears general manager Phil Emery of two third-round draft choices to Miami to reunite Marshall with his friend, quarterback Jay Cutler. Despite Marshall's production, the borderline personality disorder that led to a sometimes violent past had scared off many NFL executives, except Emery. More...