In addition to Barratt, freshman Aarne Talvitie scored in his World Junior debut against Finland.
Talvitie is the first Nittany Lion to captain his country at the World Junior Championship.
Barratt will be the first player in Penn State hockey history to play for the United States at the World Junior Championship.
The Nittany Lions got off to a hot start shooting the ball but failed to keep pace with the Crimson Tide.
Barratt recorded an assist and scored a shootout goal in Team USA's first tune-up for the 2019 World Junior Championship.
The Nittany Lions will welcome nine incoming freshmen for the 2019 season, including the nation's top-ranked prospect Kate Wiesner.