STATE COLLEGE — Penn State redshirt freshman defender DaKarri Nelson made a rare move this deep into preseason camp: He switched positions. The Alabama native started his Nittany Lion career at safety in 2023 after signing as a four-star. He also began spring practice and preseason camp there this year. But, in recent weeks, seeking more depth and realizing Nelson was probably becoming too big to stick around safety long-term and perhaps even short-term, 11th-year head coach James Franklin and first-year defensive coordinator Tom Allen made the decision to move Nelson closer to the line of scr…