Group 1: Core Insights - The rise of grassroots basketball events is evident, with multiple leagues like the Streetball King and 361°'s Touch the Ground League gaining traction and attracting sponsorships [1][2][5] - The basketball population in China has reached 125 million, with a core audience of approximately 76.1 million, indicating a strong foundation for basketball events [3] - The commercial viability of these grassroots events is still developing, with many relying on sponsorships and ticket sales, but facing challenges in monetization [6][9] Group 2: Event Dynamics - Various grassroots basketball leagues are innovating their rules to enhance spectator engagement, such as the 4-on-4 format and unique scoring systems [2][3] - The Streetball King event in Nanchang attracted 10,000 spectators over three days, with significant online engagement, highlighting the potential for audience reach [4] - Many former professional players are transitioning to grassroots leagues, blurring the lines between professional and street basketball [5][9] Group 3: Commercialization Challenges - The commercial sponsorship landscape for grassroots basketball events is inconsistent, with many events still offering free admission and lacking substantial media rights revenue [6][9] - Some events are struggling with profitability, often operating at a loss, and face challenges in attracting significant sponsorship investments [9][10] - The need for a cohesive commercial strategy is emphasized, as events can enhance brand visibility and sales for sponsoring companies, as seen with brands like 361° and Li Ning [10]