The appointment of Larry Berg as MLS commissioner marks a significant leadership change during a pivotal time for the league. Berg will face challenges such as capitalizing on the momentum from the 2026 FIFA World Cup, transitioning to a new competition calendar, and negotiating a new collective bargaining agreement and media rights deal. The league's ability to convert short-term fans into long-term supporters and maintain its growth trajectory will be critical. Berg's leadership will also be tested in navigating the post-Lionel Messi era and ensuring the league's global competitiveness.