Nelson has played in 31 games in three seasons with the Nittany Lions.
DeLuca, who began his career as a walk-on, was a captain in 2024.
Riley Thompson, Ryan Barker, Gabe Nwosu, and Tyler Duzansky will return to the program.
Following Tom Allen's move to Clemson, one of Penn State's Board of Trustees committees have scheduled a pair of meetings to fill the position.
After 29 games at Beaver Stadium, our senior staffers reflected on four years' worth of memories.
Wormley played six seasons with the Nittany Lions and started 42 games.