"Oleksandr's fight with Dereck Chisora will give answers to many questions. Sasha is ready for this fight. I always support him. I even worked for him as a sparring partner. We last sparred several months ago," Klitschko told mixsport.pro.
"Will there be sparring matches in preparation for the fight with Chisora? Anthropometrically, I do not look much like Dereck. But for a warm-up I am always ready to help Sasha with great pleasure and absolutely free of charge," he said.
The fight between Usyk and Chisora was rescheduled in March due to the coronavirus pandemic.
Usyk made his debut in the heavyweight division in October 2019 when he stopped Chazz Witherspoon in seven rounds.
Photo: website of the Klitschko brothers
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