2020 K League 2  The 2020 K League 2 is the eighth season of the K League 2, the second-tier South Korean professional league for association football clubs since its establishment in 2013, and the third one with its current name, the K League 2. The top-ranked team and the winners of the promotion play-offs among three clubs ranked between second and fourth got promoted to the 2021 K League 1. On 24 April 2020, the Korean Professional Football Union has confirmed that they will adopt their plan of modification, which will begin to change type of the season 2020 to 27 regular season matches. Asan Mugunghwa changed name to Chungnam Asan ahead for 2020 season after the club dissolved in 2019 season, Daejeon Citizen and Hana Financial Group Football Club Foundation bought operating rights of the club, the club renaming to Daejeon Hana Citizen ahead for 2020 season. Note: Flags indicate national team as has been defined under FIFA eligibility rules. Players may hold more than one non-FIFA nationality. Restricting the number of foreign players strictly to five per team, including a slot for a player from AFC and ASEAN countries. A team could use four foreign players on the field each game. Players in bold are players who join midway through the competition. An Byŏng-jun, playing for Suwon FC, was deemed to be a native player. The promotion playoffs were held among the clubs placed in the 2nd, 3rd, and 4th position in the 2020 K League 2. If scores were tied after regular time in the Semi-playoff and Playoff rounds, the higher-placed team would advance to the next phase and will be promoted to 2021 K League 1 season. Should Sangju Sangmu not finish last in the 2020 K League 1, the winner of the semifinal will automatically advance to the 2021 K League 1.