"You want to beat your brother in any game that you're playing. You always want to be better than him."
Penn State men's hockey moved up to No. 18, while the women's team dropped one spot to No. 12.
Penn State dominated from the start, completing its second series sweep of the season.
Kirwan combined for five goals in the Nittany Lions' sweep of Canisius.
For the first time this season, the Nittany Lions are ranked.
Penn State's new transfers, Ashton Calder and Ture Linden, were instrumental in the team's 5-2 defeat of Canisius.