Nwosu averaged 46 yards per punt in 2025.
Jackson was released from his signing with Iowa State on December 10.
Wafle transferred in from Michigan in January.
Belgrave-Shorter lost his starting safety spot after only three games in 2025.
Kotelnicki spent two years leading Penn State's offense.
Penn State hired Iowa State safeties coach Deon Broomfield on December 11.