Penn State's offense struggled mightily without Gracie Merkle.
It's the seventh shutout of the season for the Nittany Lions.
The Nittany Lions lost both games in the series.
Penn State honored six seniors and two graduate students for Senior Day.
Walker faces two counts of second-degree criminal possession of a weapon and criminal possession of a firearm.
The Nittany Lions scored seven unanswered goals.