The Chinese Super League (CSL) is the top professional football league in China, established in 2004. It features 16 teams that compete annually for the championship title. The league has gained international attention due to significant investments in players and coaches from around the world, enhancing its competitiveness and popularity. The CSL operates under the governance of the Chinese Football Association and follows a promotion and relegation system with the second-tier league, known as the China League One. Matches are typically held from March to November, and the league has seen a growing fan base both domestically and internationally.