Allar tossed three touchdowns and 210 yards in the 33-24 win.
The Nittany Lion defense was mistake-prone during Saturday's win, but made big plays when it needed to.
With a game against Indiana on the line, Lambert-Smith stepped up when his team needed him the most.
The Nittany Lions survived Indiana's upset bid with Drew Allar's massive 57-yard fourth quarter touchdown.
Robinson exited the game against Ohio State after taking a hit to the head.
Saturday's game will feature warm weather and some clouds.