The redshirt junior defensive end from Great Valley High School and Malvern said several surgeries since high school haven't helped and "it is time for me to retire."
The fifth-year senior seems to be the only linebacker assured of a starting role. Highly regarded freshman Micah Parsons could start at one of the other two spots.
Kristian Marche had been a track and football standout at Imhotep Institute Charter High School.
The 6-foot-4 redshirt junior is the Nittany Lions' top returning receiver and has become a dependable target on third down.
Miller, who starred in high school at Frankford and George Washington, led the Nittany Lions last season in both sacks and tackles for loss.
The defensive end, who led the Nittany Lions last season in sacks and tackles for loss, starred in high school at George Washington and Frankford.
Fifth-year senior Trace McSorley enters the new season holding or sharing 10 program records and seeks to improve on his 22-5 mark as a starter.
The three-star recruit from Baltimore's Gilman School originally announced through Twitter that he gave an oral commitment to Penn State on Aug. 2.
She qualified for the A final, but only the top two swimmers from one country advance, and she was the third.
The former Penn State standout is asking questions of the Giants' veteran quarterback to make sure he is prepared once the season begins.
McHugh is heading to Tokyo to swim for the U.S. after winning a national championship.
Bowen, who started 21 games in the last two seasons, was suspended for the final four contests of 2017 but agreed to stipulations set by head coach James Franklin for his return.
The Nittany Lions return eight lettermen on the line, meaning the competition for the five starting spots should be fierce. "Camp this year is going to be interesting," tackle Ryan Bates said.