Rolston set to take over after Sabres fire RuffSource: AP ”’His teams play with structure, discipline. They have a work ethic,” Regier said, of Rolston’s Americans.’ Related posts: Buffalo Sabres fire Lindy Ruff, hire Ron Rolston as interim coach Offensive woes plague Sabres on road trip New York stories Struggling Buffalo Sabres fire Lindy Ruff, longest-tenured coach in NHL Ruff a rarity in this rapid-fire world