The pair scored 54 points out of 60, with two tens for their first dance.
"I just love wrestling and honestly that's why I chose to come back... I just love the fight."
The Nittany Lions bumped up after losses from Miami and Georgia.
The Nittany Lions went on a 30-7 run spanning over 10 minutes.
Allar recorded 2,006 yards for 13 touchdowns with five interceptions across nine games this season.
Carter ranks second in the Big Ten with eight sacks.