Question: Mike Barnett negotiated many contracts including which player that went on to become general manager of CSKA Moscow of the Kontinental Hockey League?

Context paragraphs:
Kirill Petrov: Kirill Andreyevich Petrov (Russian: Кири́лл Андре́евич Петро́в , born April 13, 1990) is a Russian professional ice hockey player currently playing for the CSKA Moscow of the Kontinental Hockey League (KHL).  Petrov was drafted by the New York Islanders in the third round, 73rd overall, in the 2008 NHL Entry Draft.  He was considered a "blue-chip" first-round talent that dropped to the third round of the 2008 NHL Entry Draft due to his contract status with Ak Bars Kazan of the Kontinental Hockey League (KHL).

John Torchetti: John Torchetti (born July 9, 1964) is a former American ice hockey player, and current assistant coach for the Detroit Red Wings of the National Hockey League (NHL).  Torchetti previously served as the head coach for the San Antonio Rampage of the American Hockey League (2002–2003), the Moncton Wildcats of the QMJHL (2006–2007), the Iowa Wild of the American Hockey League (2014–2016), and interim head coach of the Minnesota Wild of the National Hockey League (2016).  He also served as an assistant coach with the Tampa Bay Lightning, Atlanta Thrashers, and Chicago Blackhawks; Kontinental Hockey League's HC CSKA Moscow.  Torchetti was also the interim head coach for the Florida Panthers, and the Los Angeles Kings.

Sergei Fedorov: Sergei Viktorovich Fyodorov (Russian: Серге́й Викторович Фёдоров ; born December 13, 1969) is a Russian retired ice hockey player and the general manager of CSKA Moscow of the Kontinental Hockey League (KHL).  Fedorov played as centre in his career, also occasionally playing as a winger or defenceman.

HC CSKA Moscow: HC CSKA Moscow (Russian: ЦСКА Москва.  Центральный Спортивный Клуб Армии , "Central Sports Club of the Army, Moscow") is a Russian ice hockey club that plays in the Kontinental Hockey League.  It is referred to in the West as "Central Red Army" or the "Red Army Team" for its past affiliation with the Soviet Army, popularly known as the Red Army.  HC CSKA Moscow won more Soviet championships and European cups than any other team in history.  It is owned by Russia's largest oil company, Rosneft, which is in turn majority-owned by the Russian government.

Fedor Fedorov (ice hockey): Fyodor Viktorovich Fyodorov (Russian: Фёдор Викторович Фёдоров; born June 11, 1981) is a Russian professional ice hockey forward currently an unrestricted free agent who last played for Lada Togliatti of the Kontinental Hockey League (KHL).  He has previously played in the National Hockey League (NHL) for the Vancouver Canucks and the New York Rangers.  His older brother, former NHL superstar Sergei Fedorov, is the general manager of CSKA Moscow.

Stéphane Da Costa: Stéphane Da Costa (born 11 July 1989) is a French-Polish professional ice hockey player currently an unrestricted free agent.  He most recently played for CSKA Moscow of the Kontinental Hockey League (KHL).  Born in France, Da Costa moved to the United States as a junior to develop as a player.  After junior, Da Costa moved on to NCAA collegiate hockey, playing two seasons with Merrimack College.  He then signed as a free agent with the National Hockey League (NHL)'s Ottawa Senators in 2011, and played three seasons in the organization, including 47 games with Ottawa.  In 2014, he left the organization as a free agent, signing with CSKA Moscow.

Bogdan Kiselevich: Bogdan Kiselevich (born 14 February 1990) is a Russian professional ice hockey defenceman who currently plays for HC CSKA Moscow in the Kontinental Hockey League (KHL).  Kiselevich played as youth with HC Severstal Cherepovets.  He played for 9 nine seasons within the Cherepovets organization.  On 9 May 2014, Kiselevich left his only club in Severstal when he was traded to fellow KHL club, CSKA Moscow.  He subsequently agreed to a new two-year contract.

Mikhail Pashnin: Mikhail Valeryevich Pashnin (born 11 May 1989) is a Russian professional ice hockey defenceman who currently plays for CSKA Moscow in the Kontinental Hockey League (KHL).  He was drafted in the 7th round of the 2009 NHL Entry Draft by the New York Rangers, as well as first-overall pick in that year's KHL Junior Draft by CSKA Moscow.

Mike Barnett (ice hockey): Michael G. Barnett (born October 9, 1948 in Olds, Alberta) is a Canadian ice hockey executive currently serving as Senior Advisor to the President-General Manager of the New York Rangers.  He is best known in the world of hockey as a former agent representing sports icon Wayne Gretzky for two decades.  He was listed among the "100 Most Powerful People In Sports" by "The Sporting News" on six occasions from 1994 to 2000.  During his 12 years as President of International Management Group's hockey division, Barnett represented a who's who of the National Hockey League.  Barnett negotiated the playing and marketing contracts for Wayne Gretzky, Brett Hull, Jaromir Jagr, Sergei Fedorov, Paul Coffey, Joe Thornton, Mats Sundin, Lanny McDonald, Grant Fuhr, Marty McSorley, Alexander Mogilny, Owen Nolan, Daniel Sedin and Henrik Sedin and numerous others.  Whatever the form of contract, Barnett's creativity was legendary.  His ingenuity in finding language that challenged the NHL's Collective Bargaining Agreement, in finding products and companies for his clients that were groundbreaking in their launches, and his perpetual attention to the public relations of his clients, were all hallmark's of his career in athlete representation.  Following his two-decades as one of the most highly regarded agents in all of sports, Barnett went on to become the General Manager of the Phoenix Coyotes in the National Hockey League.

Sergei Shirokov: Sergei Sergeyevich Shirokov (Russian: Серге́й Серге́евич Широков , ] ; born 10 March 1986) is a Russian professional ice hockey winger currently with SKA Saint Petersburg of the Kontinental Hockey League (KHL).  Drafted 163rd overall in the 2006 NHL Entry Draft, he is a prospect for the Florida Panthers of the National Hockey League (NHL).  Prior to signing with Vancouver in 2009, Shirokov played with CSKA Moscow for four seasons in the Russian Superleague and Kontinental Hockey League.  He returned to CSKA Moscow in 2011 after two years with the Vancouver Canucks and Manitoba Moose.

Supporting paragraphs: Mike Barnett (ice hockey) Sergei Fedorov
Answer: Sergei Fedorov