Fury and Usyk were both present for Artur Beterbiev’s knockout win over Oleksandr Gvozdyk in Philadelphia back in October 2019.
The meeting came 12 months after Usyk moved up to the heavyweight division after becoming undisputed cruiserweight champion.
Fury shook the hand of the Olympic gold medallist before saying: “Stand up, let me see how big you are.”
He then proceeded to give the Ukrainian a tickle as he felt his shoulders and torso, seemingly assessing the size of Usyk as he could be a future opponent.
Usyk will be hoping to join the list of great cruiserweights such as Evander Holyfield and David Haye by becoming heavyweight champion at the Tottenham Hotspur Stadium on Saturday night.
The 34-year-old is 18-0 as a professional, with his last victory coming against Briton Dereck Chisora in October of last year.
Meanwhile, Joshua reclaimed his world titles with a unanimous decision victory over Andy Ruiz Jr in December 2019.
He then defended the IBF, WBA and WBO belts against mandatory challenger Kubrat Pulev at the end of 2020.
Joshua and Fury looked set to meet this summer before an arbitrator ruled that WBC champion Fury had to defend his title in a third fight with American Deontay Wilder.
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