Pribula transferred to Missouri ahead of Penn State's College Football Playoff run a season ago.
"I could just imagine the coaching that they did over there with not half of the talent that we have here."
Parsons had 12.5 sacks on the year before going down in the third quarter against the Denver Broncos.
Evans is Penn State's second quarterback commit of the 2026 recruiting class.
Tenbrock is Penn State's third pledge in two days.
Williams was released from his signing with Iowa State on December 9.