Penn State fell to the Spartans in a top-ten match for only its second loss of the season.
The Nittany Lions move to 10-1 with the Sunday afternoon win.
After a sluggish start, Phia Gladieux scored a brace to win the Route 45 Rivalry.
The Nittany Lions are set for a matchup with now-No. 19 Illinois on Saturday, September 22.
The debate will feature John Doyle and Steven Bonnell II speaking on the election choices of Donald Trump and Kamala Harris.