Kase will start the 2020-21 season on loan with Czech club HC Karlovy Vary
Kase will make his return to the Czech league for the first time since 2016-17 when he was with Chomutov Pirati. In 51 games with AHL Lehigh Valley last season, the 23-year-old winger garnered seven goals and 12 helpers. Given his limited offensive upside, Kase may struggle to earn a spot on the Flyers' 23-man roster next year.