The Maple Leafs have signed Mikko Lehtonen to a one-year, entry-level contract.
Lehtonen was a 26-year-old, undrafted free agent defenseman out of Finland. Lehtonen has bounced all over Europe in recent years, most recently playing for Jokerit in the KHL. In 2019-20, the 5-foot-11, 196 lbs. blueliner led the team with 49 points (17G / 32A) in 60 games.