After an initial three-and-out, Allar completed seven passes of 12 yards or more, including a pair of deep connections with Omari Evans to round out the matchup.
Presumptive quarterback starter Drew Allar finished the matchup with 202 yards through the air on a 63% completion rate.
Former Penn State football player Jahan Dotson revealed the shirt during the Blue-White game.
Most of the Nittany Lions' presumed starters will be wearing blue uniforms on Saturday.
The Blue-White game could give a better indication of where multiple position battles are headed.
