Miller will finish his college football career at UMass-Amherst after spending the last three seasons in Happy Valley.
Marshall was found dead in his French apartment at the age of 28.
Make of this what you will, but Penn State leads the nation with 11 players entering the NCAA's transfer portal since its opening in October 15.
Ohio State's calling card is easily its defense, which has allowed only 48 goals this season.
Talvitie returned to Happy Valley on Saturday, so both of Penn State's representatives at the U-20 World Junior Championship are back with the team following the tournament.
Friberg passed for 2,293 yards and 14 touchdowns as he led the Little Lions to a 12-2 record last season.