The senior never allowed a sack during his time with the Nittany Lions.
Robinson has been compared to Micah Parsons and Myles Garrett.
Toney was reinstated to the NFL last week after serving a yearlong suspension for gambling.
Johnson is pinned as a potential third-round selection in the 2024 NFL Draft.
Potts spent five years as a backup in college.
Toney was previously indefinite suspended after placing bets on NFL games.