Daily Star's biggest headlines straight to your inbox!Anthony Joshua is gearing up for a test many regard as the toughest of his eight-year professional career on Saturday night.The unified heavyweight chief is set to defend his titles against Ukraine's Oleksandr Usyk, a former undisputed champion down at cruiserweight.Unlike Joshua (24-1), Usyk heads into the bout with a perfect professional record (18-0) and is widely considered one of the best pound-for-pound fighters on the planet, having blitzed through the cruiserweight division before making the step up to heavyweight.However, will he be big enough to dethrone AJ in north London?Daily Star Sport have spoken with six of the most knowledgeable figures in British boxing to get their.
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