Caroline Dubois floored a bloodied Terri Harper before outpointing her British rival to become the unified lightweight world champion at London's Olympia.
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After a dull first half of the contest, Dubois dropped Harper with a classy jab and left hook in the sixth round.
After a dull first half of the contest, Dubois dropped Harper with a classy jab and left hook in the sixth round.
Doncaster's Harper, who suffered a nasty cut after a clash of heads in the eighth, showed great spirit to continue throwing until the final round.
The judges scored the fight 98-91, 97-92 and 98-91 to Dubois, who adds Harper's WBO belt to her WBC title.
"I'm a fighter. I'm an entertainer. This is why this fight was the most talked about," Dubois, 25, said.
The event marked the first United Kingdom show staged by Most Valuable Promotions as Londoner Dubois extended her unbeaten record to 13 wins and one draw.
Harper - a three-weight world champion- drops to 16 wins, three defeats and two draws.
Boxing schedule and results 2026
Watch every Born to Brawl episode
Notifications, social media and more with BBC Sport
