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 for the championship title each season. The K League is known for its passionate fan base and competitive matches. It has produced many talented players who have gone on to represent the South Korea national football team in international competitions. The league also attracts foreign players, contributing to its growing popularity and quality of play.