Penn State's defense allowed only 67 yards in the blowout victory.
Warren had 50 receiving yards, a touchdown, and a touchdown pass against the Golden Flashes.
"That's going to be big next week. We need this place rocking."
Penn State's offense picked up a historic 718 total yards.
Clifford was elevated after starter Jordan Love went down with an injury.
The Nittany Lions are without K.J. Winston, Andrew Rappleyea, and Jaxon Smolik against Kent State.