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MLS, Polymarket Join Forces in Prediction Markets

MLS and Polymarket create an authorized prediction market framework with independent monitoring and restrictions on league personnel trading to prevent insider risks.

  • On Monday, Major League Soccer announced a partnership with Polymarket to create authorized prediction markets with safeguards protecting MLS and Leagues Cup matches.
  • Growing popularity and controversy have fueled prediction markets, whose wagering rose from $100 million per month to over $13 billion from early 2024 through November 2025 amid cryptocurrency connections.
  • All major prediction markets offer MLS trading, with activity growing quickly; in 2023, MLS asked 41 states and territories to ban certain prop bets, with 30 states agreeing.
  • MLS said the partnership was the best way to protect competition integrity and described a multipronged approach, while fans on social media reacted negatively and observers warned of reputational risk due to Donald Trump Jr.'s ties.
  • That regulatory mix raises the stakes for league controls as platforms assert they offer financial contracts overseen by the Commodity Futures Trading Commission, while a Massachusetts judge this month enjoined Kalshi, increasing MLS consultation and approval processes' importance.
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MLS announced a multi-year agreement with Polymarket, the world’s largest predictive market, in the midst of a debate on sports betting

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Front Office Sports broke the news in on Monday, January 26, 2026.
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