He scored his first NHL goal in the 2010–11 season, on January 17, 2011, against Kevin Poulin of the New York Islanders.

[1] On July 3, 2012, Zharkov opted to return to his native Russia in accepting a three-year contract for a second spell with original club, HC CSKA Moscow of the KHL.

[2] After six further seasons with CSKA, Zharkov left for a second time as a free agent, in agreeing to a two-year contract with Salavat Yulaev Ufa on 1 May 2018.

[3] Zharkov played three seasons with Salavat Yulaev, before signing as a free agent to a two-year contract with newly crowned champions, Avangard Omsk, on 1 May 2021.

[5] This biographical article relating to a Russian ice hockey winger is a stub.