Deontay Wilder was knocked out cold by Wladimir Klitschko in a sparring session, boxer Dillian Whyte has claimed.

The American has made a name for himself in the boxing scene with his megahit knockouts.

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Wilder flew in for a stint at Klitschko’s remote training base at the Stanglwirt resort while he was still in the fledgling stages of a career that has seen him crowned as America’s long-reigning WBC champion.

This younger version of ‘The Bronze Bomber’ strived to showcase his power against Klitschko, but Whyte revealed how he witnessed the sudden, explosive ending of a sparring session.

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