The Nittany Liosn finished opening weekend with one win over Kennesaw State.
The Nittany Lions blew the game open in the third period.
Penn State get its first win of the season after starting 0-7.
UCLA closed the game on a 34-15 run.
The loss to Mercyhurst brought an end to the Penn State undefeated conference season.
The Nittany Lions allowed seven unanswered goals in a 12-10 loss to Richmond.