The Korean Football League, officially known as the K League, is the top professional football league in South Korea. Established in 1983, it features a system of promotion and relegation with the K League 2, the second tier of South Korean football. The league consists of multiple teams competing annually for the championship title. The K League operates on a regular season format, followed by playoffs to determine the champion. It has produced many talented players and has contributed to the growth of football in South Korea, enhancing the country's reputation in international competitions.