Semyon Der-Arguchintsev

Semyon Der-Arguchintsev (Семён Дер-Аргучинцев; born September 15, 2000) is a Russian professional ice hockey forward currently under contract with Traktor Chelyabinsk of the Kontinental Hockey League (KHL). He was drafted by the Toronto Maple Leafs in the 2018 NHL Entry Draft, with his National Hockey League (NHL) rights still held by the club.

Playing career
In 2016, while playing for the CIHA White Midget AAA, Der-Arguchintsev was selected in the 2016 Ontario Hockey League (OHL) Priority Selection Draft, 2nd round, 27th overall, by the Peterborough Petes. After scoring 80 points in 131 OHL games, in the 2018 NHL Entry Draft, Der-Arguchintsev was selected in the third round, 76th overall, by the Toronto Maple Leafs. Impressing at his first Maple Leafs rookie training camp, Der-Arguchintsev was signed by the Maple Leafs to a three-year, entry-level contract on September 22, 2018.

In the following year, Der-Arguchintsev nabbed 46 points in 62 games in the OHL, and played three regular season games for the Newfoundland Growlers, the Maple Leafs ECHL affiliate, registering two points. He featured in nine playoff games adding a further two points, and helped the Growlers defeat the Toledo Walleye to win the Kelly Cup.

Returning to the OHL the following 2019–20 season, and playing with fellow Leafs prospect Nicholas Robertson, Der-Arguchintsev scored 12 goals and acquired 63 assists for 75 points in 55 games before the season was canceled due to the COVID-19 pandemic. His 63 assists was third in the OHL, behind Marco Rossi of the Ottawa 67's and Cole Perfetti of the Saginaw Spirit.

Approaching his first full professional season, and with North American 2020–21 season set to be delayed due to the ongoing pandemic, on October 26, 2020, Der-Arguchintsev was loaned by the Maple Leafs to join Russian club, Torpedo Nizhny Novgorod of the Kontinental Hockey League (KHL). He returned to North America in the following season. Der-Arguchintsev spent the entire 2021–22 season with the Leafs American Hockey League (AHL) affiliate, the Toronto Marlies. For the 2022–23 season, he was assigned to the Marlies. However, on December 4, 2022, Der-Arguchintsev was recalled by the Maple Leafs. On December 6, Der-Arguchintsev made his NHL debut in a 4–0 win over the Dallas Stars. He was returned to the Marlies on December 8.

As a pending restricted free agent following his third season within the Maple Leafs organization, Der-Arguchintsev opted to return to Russia and sign a two-year contract with Traktor Chelyabinsk of the KHL on July 4, 2023.