Yankees become first MLB club to sign Polymarket as sponsor
The New York Yankees have signed Polymarket as their official prediction market partner, making them the first MLB club to partner with the CFTC-regulated platform. Polymarket branding will appear behind home plate at Yankee Stadium and on YES Network and Prime Video broadcasts for the remainder of the 2026 season. The deal gives Polymarket live exposure to one of baseball's largest national broadcast audiences. A Yankees senior representative said the team is excited to begin the relationship.
Polymarket gains a live marketing channel in America's biggest media market, but the parallel Novig-Mets partnership means neither platform owns New York exclusively. For Polymarket, the real test is whether stadium branding converts sports bettors into event-contract traders faster than digital ads. Kalshi and Novig now face a build-or-buy decision on comparable sports partnerships or risk ceding this distribution layer.
The back-to-back MLB deals suggest team sponsorships are becoming a baseline cost of competing, not a unique edge. Smaller platforms without Polymarket's deal flow will find the price of entry rising with every new signing. The next NFL or NBA team agreement will set the floor for every subsequent negotiation.