Betis Deportivo Balompié enter the Copa del Rey. Additionally, only under-23 players or under-25 players with a professional contract can switch between senior and reserve teams. Founded in 1963 as "Triana Balompié" and named after a working class district in Seville. Legend has it that Betis, later to evolve into Real Betis, was formed in 1913 by a group of Sevilla FC directors after the club refused to sign a player who came from Triana. In 1976, the team was renamed as "Betis Deportivo" and started to compile an impressive record in the Spanish U-19 Cup, winning the competition in 1983, 1990, 1998
Real Madrid Castilla Real Madrid Castilla Real Madrid Castilla is a Spanish football team that plays in Segunda División B – Group 1. It is Real Madrid's reserve team. They play their home games at Alfredo di Stéfano Stadium. Unlike the English football league system, reserve teams in Spain play in the same league system as their senior team rather than a separate league. Reserve teams, however, cannot play in the same division as their senior team. Therefore, Real Madrid Castilla are ineligible for promotion to the Primera División. Reserve teams are also no longer permitted to enter the Copa del Rey. In