Joonas Donskoi is retiring from the NHL after seven seasons, he announced via social media Sunday.
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“After suffering multiple concussions over my career I’ve decided to retire from professional hockey,” Donskoi said in his statement. “It is extremely hard to let go of something you have put your whole life into, but at this point I know it’s the right decision for my own well being and future.”
Donskoi was selected by the San Jose Sharks…