Semi-closed league

In sport a semi-closed league (also referred to as a semi-open league) is a sports league where a group of teams are guaranteed entry into the league every season, while another group of teams have to qualify or stand at risk of relegation following each season. It is considered a hybrid of closed leagues and leagues with promotion and relegation. Semi-closed leagues can lead to a league where its permanent members are richer vis-à-vis the remaining teams in these semi-closed leagues or teams in more local competitions in which permanent members compete.

Examples
The following are examples of leagues said to be semi-closed:


 * EuroLeague
 * The proposal for a European Super League in 2021
 * The NASCAR Cup Series since the implementation of the charter system in 2016
 * FIVB Men's and Women's Volleyball Nations League
 * The Honor of Kings Pro League (since 2020)