The Nittany Lions look to rebound after a surprising loss to UCLA last week.
The two Hobey Baker finalists will participate in December's Spengler Cup.
Penn State has no option but to pick up the pace and focus on Northwestern.
The Nittany Lions swept the Sun Devils after two comebacks over the weekend.
Allar is confident in the team's leaders to rebound ahead of Northwestern.
Dom DeLuca recorded 12 tackles against UCLA in his first start of the season.