Four Nittany Lions scored bonus point victories on their way to a comfortable victory.
Mayer spent one year at Wisconsin and has no recorded appearances or statistics.
Beamon was the third Nittany Lion to announce his return.
Fourteen first half turnovers doomed the Nittany Lions in a disappointing performance at the Breslin Center in East Lansing.
Toby Ezeonu started the season off strong with 10 kills in the first match of the season.
Potts spent one season at Penn State after four years at Minnesota.