According to CoinMeta, Polymarket announced a collaboration with NBA star LeBron James to launch American football marketing activities. On September 5th, James released a 14-second video showing him entering the headquarters of Polymarket and choosing a floor labeled as "sports." In the video, he said, "Welcome to Polymarket HQ, stay tuned." The specific details of this collaboration, including James's role, the duration of the partnership, and compensation, have not yet been disclosed. CNBC reports that both parties are preparing a larger-scale marketing campaign, initially focusing on American football.