He committed to UConn for 2022, so I suspect this is a year building to that.
Some deets about the kid:
https://thewincolumn.ca/2021/08/13/getting-to-know-calgary-flames-seventh-round-pick-arseni-sergeev/
Last week named goalie of the week:
https://www.stormhockey.com/news_article/show/1193360