Tyson Fury Teams Up With Kalshi and Calls Out Anthony Joshua After Comeback Win
Tyson Fury (Credit: Mike DiDomizio via Wikimedia Commons)
Tyson Fury signed as a brand ambassador for Kalshi ahead of his comeback fight on Sunday against Arslanbek Makhmudov at Tottenham Hotspur Stadium.
Fury announced the partnership on X, posting a video in which he declared that Kalshi was backing his return to the ring. He said, “Nothing beats getting paid to be the best in the world. Big shout out Kalshi for supporting me in my comeback.”
The 37-year-old entered the fight as his first since he suffered back-to-back points defeats to Oleksandr Usyk in 2024, which left his heavyweight career in tatters and momentarily appeared to bring the curtain down on his career.
The deal placed Kalshi’s branding alongside one of boxing’s most polarizing figures. Fury delivered a dominant performance on the night, winning by unanimous decision across all 12 rounds. He immediately called out Anthony Joshua to set up their long-anticipated bout. Fury said at the post-fight press conference that if Joshua does not step in next, then he will be “gone again,” as he sees it as the defining fight in British boxing.
The Joshua-Polymarket Rivalry
While fans have cried out for a Fury-Joshua fight for years, another angle to an anticipated matchup would pit rival prediction markets against one another. Joshua partnered with Polymarket ahead of his December 2025 fight against Jake Paul in Miami. Joshua posted sponsored content and wore a piece of Polymarket-branded jewelry during his walkout, reportedly worth $400,000.
The two dominant prediction market platforms not only compete for trading volume and regulatory legitimacy but also push for cultural relevance in the sporting world. Boxing’s global reach and its binary win-or-lose outcomes fit neatly into the yes/no structure that both Kalshi and Polymarket trade on.
Kalshi has also signed deals with other notable sportspeople. Ahead of March Madness, it partnered with NBA star Devin Booker to promote the Billion Dollar Bracket contest. It also became an official partner of the NHL in October 2025.
How long prediction market platforms will continue to invest at this level in sports markets depends in part on how the state-versus-federal jurisdictional battle ends. Polymarket and Kalshi are spending freely for now, and the heavyweight division has become one of the biggest billboards for a sector trying to make itself a permanent fixture in the sports landscape. However, if state regulators prevail in their efforts to stop prediction markets from competing with regulated sportsbooks, the cost-benefit calculation could start to change.
Image Credit: Mike DiDomizio via Wikimedia Commons (license)
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