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Troy Williamson Stuns Callum Simpson With 10th-Round KO to Take British, Commonwealth and European Titles

The 34-year-old underdog delivered a late finish on the BBC stage that reshapes the domestic super-middleweight picture.

Overview

  • Williamson dropped Simpson four times in the 10th round, prompting the referee to halt the bout at the First Direct Arena in Leeds.
  • Simpson entered 18-0 and suffered his first professional defeat, with reports indicating he was ahead on the judges’ scorecards before the stoppage.
  • The victory crowns a rapid turnaround for Williamson, who ended a mid-year slump by winning the English title in September before this upset.
  • Simpson thanked his supporters and floated a 2026 rematch, while Williamson said he is ready to face all challengers in the new year.
  • The fight aired live and free-to-air on BBC Three and BBC iPlayer under Boxxer’s broadcast deal, boosting the event’s reach.