The 35-year-old will stay in Czechia for the 2023-24 season after signing a contract to play for Jaromir Jagr's club, Rytiri Kladno, who he played for back in 2004-05 and 2005-06 prior to coming to Canada for junior hockey.
Frolik, a native of Kladno, appeared in 48 games last season for Liberec Bili Tygri HC where he had 24 points (ten goals, 14 assists), 28 penalty minutes and was a plus-three.
During his 13 years in the NHL, Frolik suited up in 858 career games with Florida, Chicago, Winnipeg, Calgary, Buffalo and Montreal. In 2013, he helped the Blackhawks win the Stanley Cup, recording ten points in 23 games.