Mayer spent one year at Wisconsin and has no recorded appearances or statistics.
Beamon was the third Nittany Lion to announce his return.
Potts spent one season at Penn State after four years at Minnesota.
Felkins went 14-19 on field goal attempts during the 2023 season.
This is the third consecutive year Parsons was named to the Pro Bowl roster.
Ellies was the second Nittany Lion to announce his return to the team after tight end Tyler Warren.