'I don't have to, I choose to!' | Kamaru Usman explains why he walks backwards down stairs!
Wednesday 15 March 2023 11:46, UK
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Nik Hobbs talks with Kamaru Usman ahead of his trilogy fight with Welterweight champion Leon Edwards. They discuss walking down stairs backwards, lessons learnt from the first fight and why more fans will be cheering for him in London.
