April 22, 2001|
February 3, 2020 (aged 18)|
|Height||179 cm (5 ft 10 in)|
|Weight||67 kg (148 lb; 10 st 8 lb)|
|MHL team||Snezhnye Barsy Astana|
The first symptoms that Prokofyev was diseased started appearing in May 2019, when he began having problems with his hip. He was diagnosed with Ewing's sarcoma soon after. He underwent specialized treatment in Moscow, with KHL clubs organizing charities and events to wish for his good health and fund his treatments. Prokofyev died on February 3, 2020 in Moscow, Russia at the age of 18.
- "Hockey: Vilen Prokofyev". www.scoreboard.com. Retrieved February 4, 2020.
- "Vilen Prokofyev at eliteprospects.com". www.eliteprospects.com. Retrieved February 4, 2020.
- "League mourns the loss of Vilen Prokofyev". en.khl.ru. Retrieved February 4, 2020.
- "Vilen Prokofyev has passed away". en.fhr.ru. Retrieved February 4, 2020.
This article needs additional or more specific categories. (February 2020)
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