Reed tallied 181 total tackles, 12.5 tackles for loss, 3.5 sacks, 12 pass deflections, and five interceptions in 50 appearances for the Nittany Lions.
Jaxon Smolik's 47-yard deep shot to Lyrick Samuel in the second quarter proved the difference in this year's spring game.
Lambert-Smith had a bounce-back campaign after transferring to Auburn.
Pena made second team All-ACC in 2024.
Most of Penn State's big names will don the blue jerseys on Saturday afternoon.
The annual scrimmage kicks off at 2 p.m. in Beaver Stadium.