Parsons and Gross-Matos were named to the Bednarik Award's watch list, and Hamler earned a spot on the Maxwell Award preseason list.
Johnson is the first recruit to join Pat Chambers' class of 2020.
At 91 overall, Saquon Barkley is the highest-rated former Nittany Lion in this year's edition of the popular "Madden NFL" video game.
Gould signed a two-year, fully guaranteed $10.5 million contract with a two-year option clause the 49ers can pick up before the end of the 2020 season.
Killens previously officiated in the American Athletic Conference and the former Alliance of American Football.
The State College fro-yo franchise has closed after eight years in business.