KJ Hamler's touchdown tied the game with 42 seconds left, then Miles Sanders provided the winning 4-yard score in overtime.
The Nittany Lions will open their season at 3:30 p.m. against Appalachian State.
The Nittany Lions conceded from a second-half corner kick and failed to equalize despite drawing a penalty kick.
Five different players finished with at least five kills as the Nittany Lions took care of the Owls in straight sets Friday night.
Anna Simon scored the first two goals of her NCAA career as part of a dominant performance by the Nittany Lions.
The former manager of Baby's Burgers and Shakes is facing felony charges after she allegedly stole nearly $80,000 from the downtown State College restaurant over a two and a half year period.