Matt DiMarsico's hat trick, Charlie Cerrato's five-point night lift Nittany Lions to big season-opening win.
Nebraska dominated Penn State to stay undefeated, sweeping the Nittany Lions.
The Nittany Lions move to 3-0 on the season following a win in their first road game over the Catamounts.
Penn State will be without the program's highest drafted player to start the season.
With the loss, Penn State drops to 1-2 in Big Ten play.
The Nittany Lions came back from a one-goal deficit to win their first game in Big Ten play.