FILE-- ** Dallas Cowboys' Charles Haley is shown on the sidelines in Irving, Texas in this 1994 photo.Terrell Owens is the latest and loudest in a history of NFL problem players. Before him, there were players such as Charles Haley, a pass-rushing defensive end good enough to win a record five Super Bowl rings with the 49ers and Cowboys but troublesome enough to get himself dealt at the peak of his career after alienating coaches and teammates. (AP Photo/Glenn James)