US
The Briton will put his IBF, WBA and WBO belts on the line on Saturday against the undefeated Ukrainian boxer
Ukrainian is confident stepping into the ring against world heavyweight champion at Tottenham stadium on Saturday
Between them, the two boxers currently hold all the major versions of the heavyweight world title
WBO ordered the champ to defend his title against Ukrainian after the Briton's bout with Tyson Fury was called off
After Brit's bout against Fury became a doubt, he and the challenger have until May 31 to reach an agreement
The locations and dates for the much-anticipated all-British showdowns are yet to be announced
English promoter says both boxing champions would face off in two fights in an undisputed world heavyweight title
The champion's 24th win from 25 professional fights sets up with fellow Briton Tyson Fury who holds the WBC belt
Organisers say a crowd of 1,000 will return to London’s Wembley Arena on Dec 12
It will be the Briton's first fight in a home ring in more than two years