Popper's four goals in four matches have helped the Terps throughout their seven-game winning streak.
The Terps are 4-1 in Big Ten play with three conference matches remaining.
The Terps claimed their third Big Ten victory and extended their winning streak to four games.
The Terps hope to use lessons from past losses to take down the Nittany Lions.
The graduate student scored in the Terps' 7-2 win over Michigan State.
The Terps rebounded from their first loss of the season in a scrappy matchup.