He is currently an unrestricted free agent who most recently played with Avangard Omsk in the Kontinental Hockey League (KHL).
Kosov was selected by the Florida Panthers in the 5th round (124th overall) of the 2011 NHL Entry Draft.
[1] At the beginning of the 2018–19 season, before making his season debut, Kosov was traded by reigning champions Ak Bars, to HC Spartak Moscow in exchange for Dmitry Yudin on September 3, 2018.
[2] Kosov made 24 appearances with Spartak, registering 3 goals and 5 points before he was traded to his fourth KHL club, HC Neftekhimik Nizhnekamsk.
This biographical article relating to a Russian ice hockey player is a stub.