Cornell used a dominant run to beat No. 10 Penn State 10-7 on Wednesday.
The Big Red turned a three-goal deficit into a three-goal lead with six straight goals spanning the first and second half.
Joey Coffy scored four goals to lead Cornell, while Madison Cyr had three goals for Penn State.
The Nittany Lions (9-4) return to action at Michigan at 1 p.m. Sunday.