Kokkonen, 21, skated in 58 games for the Lahti Pelicans of the Finnish Elite League (Liiga) this season, recording one goal and 14 assists. In 216 career Liiga games, the Mikkeli, Finland native has registered 54 points (eight goals, 46 assists). During the 2020-21 season, Kokkonen appeared in 11 AHL games with the Toronto Marlies where he picked up one goal and six assists. Internationally, Kokkonen won a bronze medal with Finland at the IIHF World Junior Championships.
Kokkonen was selected by Toronto in the third round (84th overall) of the 2019 NHL Draft.