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Zaire's team poses on March 14, 1974 before receiving the trophy of the ninth edition of the African Nations Cup they won, at the Cairo International Stadium, in Cairo. (Photo by AFP) (Photo by -/AFP via Getty Images)

Zaire's team poses on March 14, 1974 before receiving the trophy of the ninth edition of the African Nations Cup they won, at the Cairo International Stadium, in Cairo. (Photo by AFP) (Photo by -/AFP via Getty Images)

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1964: Army troops guarding ten thousand rioters on a football pitch in the Republic of the Congo after rioting in the country. (Photo by Reg Lancaster/Express/Getty Images)

1964:  Army troops guarding ten thousand rioters on a football pitch in the Republic of the Congo after rioting in the country.  (Photo by Reg Lancaster/Express/Getty Images)

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Boys playing football in South Africa

Boys playing football in South Africa

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ASEC's Ivorian forward Abdoul Fessal Tapsoba celebrates after scoring during the CAF Champions league qualifying round football match between ASEC Mimosas and Mangasport, at the Robert Champroux stadium in Abidjan on November 28, 2018. (Photo by ISSOUF SANOGO / AFP via Getty Images)

ASEC's Ivorian forward Abdoul Fessal Tapsoba celebrates after scoring during the CAF Champions league qualifying round football match between ASEC Mimosas and Mangasport, at the Robert Champroux stadium in Abidjan on November 28, 2018. (Photo by ISSOUF SANOGO / AFP via Getty Images)

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TO GO WITH AFP STORY BY CHRIS STEINFootballers compete on a dirt field in the James Town neighbourhood of Accra, Ghana on January 15, 2013. On the streets of Ghana's capital, Accra, the names of English Premier League stars fly off the tongues of football-crazed youths. But a pioneer of the sport who broke racial barriers is familiar to few. AFP PHOTO / CHRIS STEIN (Photo credit should read Chris Stein/AFP via Getty Images)

TO GO WITH AFP STORY BY CHRIS STEINFootballers compete on a dirt field in the James Town neighbourhood of Accra, Ghana on January 15, 2013. On the streets of Ghana's capital, Accra, the names of English Premier League stars fly off the tongues of football-crazed youths. But a pioneer of the sport who broke racial barriers is familiar to few. AFP PHOTO / CHRIS STEIN        (Photo credit should read Chris Stein/AFP via Getty Images)