Penn State fell to 0-5 in conference play with a loss to Illinois.
Penn State will play 10 games, solely against Big Ten opposition, in the 2021 spring season.
"It is with excitement and gratitude that I announce my retirement from professional soccer."
Coronavirus concerns within Rutgers' program forced the postponement.
Ferry was fined and publicly reprimanded after discussing a technical foul he received against Purdue Sunday.
Former Penn State hockey goaltender Eamon McAdam has signed an AHL contract with the Philadelphia Flyers' affiliate.