Major League Soccer is stepping into the future of sports engagement with a landmark multi-year partnership with Polymarket, making it the latest major North American league to officially embrace prediction markets. This move, which covers all MLS competitions from regular-season games to the MLS Cup, signals a strategic pivot toward a more interactive, data-driven fan experience and positions the league at the forefront of a rapidly evolving digital landscape.
Major League Soccer and Polymarket announced a multi-year partnership on Monday, Jan. 26, as the biggest North American professional soccer league joined the NHL and UFC on the growing list of sports entities willing to embrace the rising popularity surrounding prediction markets.
Polymarket will serve as the official and exclusive prediction market partner for MLS regular-season games, the MLS All-Star Game, the MLS Cup and Leagues Cup under the agreement. Terms were not disclosed, but MLS officials cited a desire to preserve the integrity of the sport since MLS games were already featured on prediction market offerings.
The league said in its announcement, “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.”
“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,” MLS deputy commissioner Gary Stevenson said in a statement.
A New Frontier in Sports Engagement
This move is not an isolated event but the latest step in a clear trend. The NHL became the first major North American professional sports league to sign a deal with a prediction market in October 2025 when it also came to an agreement with Polymarket. UFC announced its own arrangement with Polymarket in November. The trend is extending to individual teams as well, with the Chicago Blackhawks announcing an agreement with Kalshi in December, and the New York Rangers signing with Polymarket earlier this month.
For MLS, this partnership represents a significant opportunity to deepen fan engagement in a unique way. The league plans to develop new fan experiences across its digital platforms with Polymarket beginning with its 2026 season, focusing on enhancing the live match experience and second-screen engagement for fans. This means that during matches, fans could see real-time data and sentiment on everything from the next goal scorer to the final score, creating a more immersive and interactive viewing experience.
The Legal and Ethical Tightrope
Prediction markets like Polymarket and Kalshi have come under increasing scrutiny and legal challenges as their mainstream popularity and influence increases. Both companies argue they do not offer gambling services and function more like the stock exchange, with customers trading on yes or no outcomes of events. This distinction has allowed prediction markets to operate legally in all 50 states to this point.
However, this legal standing is precarious. Kalshi is currently facing lawsuits from gambling regulators in multiple states that allege prediction markets break state laws by offering markets that mimic sports bets. MLS’s decision to partner with Polymarket, therefore, is a bold one. It shows the league is willing to embrace a technology that operates in a legally gray area, betting that its safeguards and the growing mainstream acceptance will outweigh the potential regulatory risks.
What This Means for the Fan Experience
For the average fan, this partnership could fundamentally change how they watch and interact with MLS soccer. Polymarket is currently an invite-only platform in the U.S. that requires potential users to join its waitlist, but the official league partnership will likely lead to a more accessible integration within the MLS app and website.
“Through our partnership with MLS and Leagues Cup, we can surface real-time collective sentiment around key moments, matches, and season-long storylines,” Polymarket founder and CEO Shayne Coplan said, “giving fans a more interactive, data-driven way to experience the game and engage with the world’s most popular sport.”
This sentiment, or the “wisdom of the crowd,” could become a new and compelling layer of the broadcast. Imagine watching an MLS Cup final and seeing the live probability of a team winning shift with each attack, or tracking the market’s confidence in a rookie player winning Rookie of the Year. This data adds a new dimension to analysis and debate, moving beyond traditional stats to capture the collective mood of the fanbase in real-time.
As sports leagues continue to search for innovative ways to connect with a digitally native audience, MLS’s partnership with Polymarket is a clear signal of where things are headed. It’s a high-stakes bet on the future, one that could redefine fan engagement for years to come.
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