Wylie didn't appear in the Blue-White Game last month and was absent during the last few media availability of spring practice.
Bridget Nemeth was named Big Ten Freshman of the Year and First Team All-Big Ten.
Kuzma, who's spent three seasons in the USHL, was previously pledged to Maine.
Malone is a two time Big Ten Offensive Player of the Year.
The captain became the fifth Penn state men's hockey player to enter the portal.
Gaines committed to Penn State in 2023 before decommitting in March.