Former heavyweight champion Deontay Wilder edges a wild win over retiring Derek Chisora

Former world champion Deontay Wilder sent Derek Chisora into retirement by edging their chaotic heavyweight fight.

LONDON — Former world champion Deontay Wilder sent Derek Chisora into retirement by edging their chaotic heavyweight fight in London's O2 Arena on Saturday.

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The boxers, aged 40 and 42 respectively, threw hopeful knockout punches and barely jabbed. Both slipped and fell to the canvas frequently.

Wilder got the only knockdown in the eighth round, sending Chisora through the ropes, but the American was deducted a point in the same round for pushing. Chisora was rattled but Wilder didn’t press his advantage.