Carey is Penn State's 13th decommit of the 2026 recruiting class.
Hart decommitted from the program two days after James Franklin's firing.
Rogers is Penn State's second wide receiver flip of the 2026 recruiting class.
Former Penn State quarterback Beau Pribula was carted off the field in Missouri's loss to Vanderbilt.
King was waived by the Minnesota Vikings on Thursday.
Penn State appeared on Big Noon Kickoff on three different occasions a season ago.