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LONDON - JANUARY 01: John Obi Mikel of Chelsea in action during the Barclays Premier League match between Fulham and Chelsea at Craven Cottage on January 1, 2008 in London, England. (Photo by Phil Cole/Getty Images)

LONDON - JANUARY 01:  John Obi Mikel of Chelsea in action during the Barclays Premier League match between Fulham and Chelsea at Craven Cottage on January 1, 2008 in London, England.  (Photo by Phil Cole/Getty Images)

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LONDON - MARCH 30: John Obi Mikel of Chelsea in action during the Barclays Premier League match between Chelsea and Middlesbrough at Stamford Bridge on March 30, 2008 in London, England. (Photo by Professional Sport/Popperfoto via Getty Images/Getty Images)

LONDON - MARCH 30: John Obi Mikel of Chelsea in action during the Barclays Premier League match between Chelsea and Middlesbrough at Stamford Bridge on March 30, 2008 in London, England. (Photo by Professional Sport/Popperfoto via Getty Images/Getty Images)

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TOPSHOT - Jens Jonsson (L) of Denmark vies for the ball with John Obi Mikel (R) of Nigeria during the Rio 2016 Olympic Games mens quarter-final football match Nigeria vs Denmark, at the Arena Fonte Nova Stadium in Salvador, Brazil on August 13, 2016. / AFP / NELSON ALMEIDA (Photo credit should read NELSON ALMEIDA/AFP via Getty Images)

TOPSHOT - Jens Jonsson (L) of Denmark vies for the ball with John Obi Mikel (R) of Nigeria during the Rio 2016 Olympic Games mens quarter-final football match Nigeria vs Denmark, at the Arena Fonte Nova Stadium in Salvador, Brazil on August 13, 2016. / AFP / NELSON ALMEIDA        (Photo credit should read NELSON ALMEIDA/AFP via Getty Images)

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Nigeria's players William Ekong (L) and John Obi Mikel (R) celebrate after receiving their bronze medals during the medal ceremony after defeating Honduras in the Rio 2016 Olympic Games men's bronze medal football match at the Mineirao stadium in Belo Horizonte, Brazil, on August 20, 2016. / AFP / GUSTAVO ANDRADE (Photo credit should read GUSTAVO ANDRADE/AFP via Getty Images)

Nigeria's players William Ekong (L) and John Obi Mikel (R) celebrate after receiving their bronze medals during the medal ceremony after defeating Honduras in the Rio 2016 Olympic Games men's bronze medal football match at the Mineirao stadium in Belo Horizonte, Brazil, on August 20, 2016.  / AFP / GUSTAVO ANDRADE        (Photo credit should read GUSTAVO ANDRADE/AFP via Getty Images)

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John Obi Mikel (R) of Nigeria celebrates his goal scored against Denmark during the Rio 2016 Olympic Games mens quarter-final football match Nigeria vs Denmark, at the Arena Fonte Nova Stadium in Salvador, Brazil on August 13, 2016 / AFP / NELSON ALMEIDA (Photo credit should read NELSON ALMEIDA/AFP/Getty Images)

John Obi Mikel (R) of Nigeria celebrates his goal scored against Denmark during the Rio 2016 Olympic Games mens quarter-final football match Nigeria vs Denmark, at the Arena Fonte Nova Stadium in Salvador, Brazil on August 13, 2016 / AFP / NELSON ALMEIDA        (Photo credit should read NELSON ALMEIDA/AFP/Getty Images)