LONDON, ENGLAND - SEPTEMBER 26: Radivoje Kalajdzic punches Craig Richards during the Light Heavyweight fight between Craig Richards and Radivoje Kalajdzic on the Zuffa Boxing 11 Official fight card at Copper Box Arena on September 26, 2026 in London, England. (Photo by Richard Pelham/Getty Images)

LONDON, ENGLAND - SEPTEMBER 26: Craig Richards is punched by Radivoje Kalajdzic during the Light Heavyweight fight between Craig Richards and Radivoje Kalajdzic on the Zuffa Boxing 11 Official fight card at Copper Box Arena on September 26, 2026 in London, England. (Photo by Richard Pelham/Getty Images)

LONDON, ENGLAND - SEPTEMBER 26: Johnny Fisher looks on during the Heavyweight fight between Johnny Fisher and Michael Pirotton on the Zuffa Boxing 11 Official fight card at Copper Box Arena on September 26, 2026 in London, England. (Photo by Richard Pelham/Getty Images)

LONDON, ENGLAND - SEPTEMBER 26: Michael Pirotton walks out before the Heavyweight fight between Johnny Fisher and Michael Pirotton on the Zuffa Boxing 11 Official fight card at Copper Box Arena on September 26, 2026 in London, England. (Photo by Richard Pelham/Getty Images)

LONDON, ENGLAND - SEPTEMBER 26: Johnny Fisher walks out before the Heavyweight fight between Johnny Fisher and Michael Pirotton on the Zuffa Boxing 11 Official fight card at Copper Box Arena on September 26, 2026 in London, England. (Photo by Richard Pelham/Getty Images)

LONDON, ENGLAND - SEPTEMBER 26: Johnny Fisher punches Michael Pirotton during the Heavyweight fight between Johnny Fisher and Michael Pirotton on the Zuffa Boxing 11 Official fight card at Copper Box Arena on September 26, 2026 in London, England. (Photo by Richard Pelham/Getty Images)

LONDON, ENGLAND - SEPTEMBER 26: Johnny Fisher punches Michael Pirotton during the Heavyweight fight between Johnny Fisher and Michael Pirotton on the Zuffa Boxing 11 Official fight card at Copper Box Arena on September 26, 2026 in London, England. (Photo by Richard Pelham/Getty Images)

LONDON, ENGLAND - SEPTEMBER 26: Johnny Fisher and Michael Pirotton exchange punches during the Heavyweight fight between Johnny Fisher and Michael Pirotton on the Zuffa Boxing 11 Official fight card at Copper Box Arena on September 26, 2026 in London, England. (Photo by Richard Pelham/Getty Images)