Johan Larsson scored twice Thursday, including the game winning goal, to guide Rochester to a 4-2 victory at Iowa. Mark Pysyk netted his first goal of the year, while Nathan Lieuwen stopped 21 shots to earn the win. Luke Adam sealed the win late with an empty-netter. Rasmus Ristolainen picked up two assists. Joel Armia and Phil Varone supplied single helpers for the Amerks, who continue the road trip Friday in Chicago.