Buffalo Sabres trade Derek Roy to Dallas for Steve OttSource: Rochester D&C ‘“More than anything else, we needed to move the balance of skill vs. the physical nature of our team,” he said. “We need to be tougher to play against.”’ Related posts: Sabres feeling more comfortable with their No. 1 status Buffalo's Derek just a young star Amerks get goalie as Sabres trade Bartovic Off-season game plan: Sabres Sabres Trade Roy to Dallas