North America’s Major League Soccer (MLS) has agreed a new partnership with cryptocurrency-based prediction market firm Polymarket.

The multi-year deal, brokered by Soccer United Marketing, the league’s commercial arm, names the company as an official partner of MLS and the Leagues Cup competition in the United States.

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Under the agreement, Polymarket will serve as the official and exclusive prediction market partner of MLS, the MLS All-Star Game, MLS Cup, and Leagues Cup.

The partnership puts MLS among the first soccer leagues to integrate prediction market insights into its fan engagement initiatives.

Polymarket and MLS will work together to develop new fan experiences across MLS digital platforms, with a focus on enhancing the live match experience and second-screen engagement for fans.

This will be done through digital content across MLS and Leagues Cup platforms. 

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The two parties also stated that the partnership includes safeguards designed to protect the integrity of MLS and Leagues Cup matches, including independent monitoring of trading activities and collaboration on MLS and Leagues Cup markets offered.

Gary Stevenson, MLS deputy commissioner and president of Soccer United Marketing, said: “As MLS continues to grow, innovation remains central to how we engage fans and evolve the league.

“Partnering with Polymarket allows us to integrate prediction markets as a new fan engagement format and position MLS as an early leader among global soccer properties.”

Shayne Coplan, founder and CEO of Polymarket, added: “As soccer’s audience continues to grow and evolve in the U.S., fans are looking for new ways to engage more deeply with the game.

“Through our partnership with MLS and Leagues Cup, we can surface real-time collective sentiment around key moments, matches, and season-long storylines, giving fans a more interactive, data-driven way to experience the game and engage with the world’s most popular sport.”   

Polymarket has been stepping up its presence within the sports ecosystem in recent months. The MLS tie-up comes just a week after the company partnered with international sports streaming service DAZN to integrate its data into the platform’s live sports broadcasts.

In November, the firm teamed up with TKO Group, the multisport business giant, becoming the official prediction market partner of its UFC and Zuffa Boxing promotions.

The 2026 MLS season kicks off on February 21 with a full slate of 15 matches, including the reigning MLS Cup champions Inter Miami taking on Los Angeles Football Club.