Allar hasn't been dazzling on the road thus far. His struggles continued on Saturday.
The Nittany Lions' consistent failure to convert on third down wound up costing them one of the biggest games of the James Franklin era.
Nelson missed the majority of the game against Northwestern and was absent against UMass.
The matchup between the two top-10 teams will be televised on FOX.
With the Nittany Lions officially bowl-eligible, we asked our staffers where they'd like to see Penn State end up this postseason.
"We just have to cross every T, dot every I, and be as prepared as we can when we get on that plane."