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MANCHESTER, ENGLAND - NOVEMBER 14: Manager Sir Alex Ferguson of Great Britain and Ireland walks to the dugout ahead of the David Beckham Match for Children in aid of UNICEF between Great Britain and Ireland and the Rest of the World at Old Trafford on November 14, 2015 in Manchester, England. (Photo by Matthew Peters/Manchester United via Getty Images)

MANCHESTER, ENGLAND - NOVEMBER 14:  Manager Sir Alex Ferguson of Great Britain and Ireland walks to the dugout ahead of the David Beckham Match for Children in aid of UNICEF between Great Britain and Ireland and the Rest of the World at Old Trafford on November 14, 2015 in Manchester, England.  (Photo by Matthew Peters/Manchester United via Getty Images)