[2] After his junior season at Vermont, Lekkas was invited to development camps by the NHL's Chicago Blackhawks and Florida Panthers but was not signed.
[6] After he was not tendered a qualifying offer by the Sabres to retain his rights, Lekkas returned his ECHL club, the Fort Wayne Komets, agreeing to a one-year contract on July 29, 2021.
[7] Lekkas was later released and bounced around between the Orlando Solar Bears and Wheeling Nailers, before being traded to the Maine Mariners.
[8] After helping the Mariners reach their first postseason appearance in franchise history, Maine loaned him to the Chicago Wolves of the AHL for the 2022 Calder Cup playoffs.
[9] On June 16, 2022, Lekkas as a free agent opted to pursue a European career in agreeing to a one-year contract with Danish club, Odense Bulldogs of the Metal Ligaen.