Penn State will take over the Big Ten Network's Instagram account this week ahead of the Nittany Lions' game against Michigan State.
Chase Berger will be the sixth Penn State hockey player to wear the captain's "C", while Kevin Kerr and Brandon Biro will serve as alternate captains.
Garner will begin his professional career with the Detroit Pistons' G-League affiliate this season.
He played 24 games during the 2017-18 slate -- averaging 7.2 minutes and just more than a point per game off the bench. He missed the final nine games with a right knee injury, which included the team's Big Ten Tournament semifinal and NIT Championship runs.
Penn State's first graduate transfer and Swedish player is poised for a big 2018-19 season after spending three years with Merrimack.
The Nittany Lions ruined the Terrapins' undefeated season thanks to stingy defense and great play off corners.