LeBron James Announces Partnership with Polymarket

Kate Marshal

Upd 3 days ago

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^{LeBron James, basketball player}

NBA star LeBron James, 41, has announced a partnership with prediction market platform Polymarket, revealing the collaboration on social media.

James posted a 14-second clip showing him walking into a stylized Polymarket office. The caption read, “Welcome to Polymarket HQ. Coming soon,” and the post was labeled as a partnership with the platform.

A representative for James told The Block that the video is a teaser for a larger campaign focused on American football.

Welcome to Polymarket HQ. Coming soon. 👀

In partnership with @Polymarket pic.twitter.com/bNe5s1IkdO
— LeBron James (@KingJames) September 5, 2026

James has previously criticized the growing influence of betting on the NBA. In 2023, he said some fans had become more interested in parlays and betting lines than in the games themselves, arguing that the trend was taking away from the sport.

James remains an active NBA player. He joined the Philadelphia 76ers in the summer of 2026. The four-time NBA champion is also the league’s all-time leading scorer. James has described his move to Philadelphia as the final chapter of his career.

The partnership with James is another high-profile move by Polymarket in sports marketing. Just days earlier, former world No. 1 tennis player Maria Sharapova posted a promotional video featuring the platform’s tennis markets. The terms of her arrangement with Polymarket have not been disclosed.

Kate Marshal

| Journalist

Bookmaker & Casino Reviewer | Former Professional Croupier | Industry Rankings & Insights | Since 2014.

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