APPLETON, Wis. — The Lawrence University hockey team squares off against Marian University in the annual Battle of Highway 41 series. The teams open the series Friday night at the Blue Line Ice Center in Fond du Lac, Wis., and the series wraps up with Lawrence’s home opener Saturday at 7 p.m. at the Appleton Family Ice Center. Lawrence is looking to regain possession of the Battle of Highway 41 trophy for the first time since 2011.