MINNEAPOLIS — Friday's game between Minnesota and North Dakota was advertised as a showcase on offense. It was — but only for one team. The Golden Gophers racked up 48 shots on goal — 42 of them in the first two periods — and scored twice on a UND major penalty in the second period on the way to a 6-1 win before a crowd of 10,215 at Mariucci Arena. For Minnesota, defenseman Mike Vannelli had two goals and an assist, while Danny Irmen racked up four points with a goal and three assists. Irmen and Ryan Potulny both extended...