Jaromir Jagr began his 33rd season in professional hockey on Wednesday.
Jagr was in the lineup with the Kladno Knights, the team he co-owns, to make his season debut against HC Dukla Jihlava, 284 days after his last appearance.
Jagr, 48, had 15 goals and 29 points in 38 games with the team last season.
A veteran of 24 seasons in the NHL, Jagr's last appearance in the league was with the Calgary Flames, when he appeared in 22 games during the 2017-18 season.
The five-time Art Ross Trophy winner sits third all-time in NHL history in games played at 1,733.