Nathan Cleverly is preparing to make his cruiserweight debut in Cardiff tonight.
The 27-year-old has not fought since losing his WBO light-heavyweight title in a four-round defeat to Sergey Kovalev in August.
He'll take on 39-year-old Sean Corbin at the capital's Motorpoint Arena.
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The three day annual event, held this year at Caerphilly castle is expected to attract thousands of visitors.
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