McPherson said he gained 20 pounds over the offseason while maintaining his speed and agility.
Nikki Crane scored the 26th hat trick in program history against Brown.
"He's forced us to have to play him, and he's been really good, especially with going through what he did."
The Nittany Lions' next game is now scheduled for September 4.
Rojas has been selected to the watch list in both years of the award's existence.
