Senior midfielder Marissa Sheva tallied the decisive strike in the 48th minute of Sunday's victory over the Scarlet Knights.
Three different players scored goals off the bench to help the Nittany Lions pick up their 10th win of the 2018 season.
Freshman forward Jeremy Rafanello's third goal of the season secured a crucial 1-0 conference win for the Nittany Lions.
The Nittany Lions earned their lowest ranking of the season after falling to Michigan State at home.