Schlegel's eighth goal of the season, scored in double overtime off a rebounded Sam Coffey shot, sealed a golden-goal win and a crucial shutout for the Nittany Lions.
Clifford finished Friday's game 26-for-31 a career-high 398 passing yards and three touchdowns.
"We have a really deep linebacker unit. We have a bunch of guys that can play and they showed that they can tonight."
Tickets for Combs' "What You See Is What You Get" State College tour date went on sale at 10 a.m. Friday morning and sold out faster than previous record holder Luke Bryan's "Kill the Lights Tour" BJC show.
The team's October 31 match-up against the Badgers will feature trick-or-treating on Pegula's concourse prior to the game.
Gaines picked the Nittany Lions over Michigan, Notre Dame, and Syracuse, among others.