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.
The Nittany Lions secured their fourth win in conference play on the back of a shutout by Arsenii Sergeev.
The Nittany Lions are off to their first 0-7 start since 1999.
Lyndie Lobdell secured the win in overtime to secure the regular season trophy.