Anthony Joshua (24-1, 22 KOs) and Oleksandr Usyk (18-0, 13 KOs) had an official weigh-in ceremony in London. The Briton showed 108.8 kg on the scales while the Ukrainian was 100.2 kg.
Joshua, 31, was slightly lighter than before his duel with Kubrat Pulev last year. For Usyk, this is the highest weight since the beginning of his professional career. Before the fight against Dereck Chisora, Usyk weighed 98.5 kg, Joshua before the meeting with Pulev - 109.2 kg.
The boxers will contest the English heavyweight titles under the versions WBA, WBO and IBF. The bout will be the main event of the evening, staged at the Tottenham Hotspur Stadium.