The team's defense showed up Wednesday night with 52 digs and 17 blocks on the night.
After one year back in the USL Championship, Molloy has established himself as one of the best in the league.
The Nittany Lions, led by Jalen Pickett, Seth Lundy, and Myles Dread, could be a dark horse team in the Big Ten this season.
The Nittany Lions are back in the national rankings after a 1-0 upset over Wisconsin on Sunday.
Souliere held Wisconsin to just one goal in Penn State's series sweep over the weekend.
"It's not just the numbers. It's the timely goaltending that I think was really important for him, and it's important for us."