IBF heavyweight champion Daniel Dubois is rewriting the playbook by training like a gymnast! Under his coach Cuong Hua, Dubois has spent seven years mastering ancient calisthenics-based exercises despite his imposing 6 ft 5 in, 17-stone frame. The result? Elite-level strength and mobility thatās rare for someone of his size. This unconventional training plays a key role in his upcoming rematch against Oleksandr Usyk.The Scottish Sun