Callum Smith and Joshua Buatsi impress on the Artur Beterbiev vs Dmitry Bivol 2 undercard in a grueling battle where Smith came out the victor.

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Callum Smith awarded unanimous verdict over Joshua Buatsi but both play their part in memorable encounter, writes Kieran Mulvaney

Callum Smith vs Joshua Buatsi preview, including the start time, keys to victory and analysis, fight card, how to watch and where to live stream.