The Nittany Lions won nine of 10 bouts.
Johnson appeared with Braxton Keith and Ashley McBryde.
Nickal moved to 7-0 and remains undefeated in the UFC.
Four Penn Staters won in a season preview.
After giving up four unanswered goals to start the game, Penn State battled back but fell short at the buzzer.
Luke Reynolds, Corey Smith, and Eagan Boyer all caught the eye of the starters.