Penn State recorded its first loss of the season to Penn on Friday night.
After starting the season 0-2, the Nittany Lions are on a four game win streak.
Sophia Gladieux's game-winner marked her fourth-consecutive game with a goal.
"Kris is maturing into one of the truly outstanding goalkeepers in the country." Cook said.
A brace from Mieke Schiemann helped the Nittany Lions put away the Tigers and stay undefeated through seven games.
Shakes has registered a .895 save percentage and, in the four games played this season, has only allowed two goals and recorded two clean sheets.