Johnny Manziel's footwork, decision making and grasp of a pro offense improved significantly in his second season. After Manziel was ruled out of Sunday's season finale against Pittsburgh because of a concussion, coach Mike Pettine and offensive coordinator John DeFilippo both said the 23-year-old QB needs to work on his personal life if he intends to be a long-term starter. ''Here is a guy that has an NFL skill set,'' Pettine said. More...