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 Betis not offer further economic growth, he was replaced by Betis most famous former president, Benito Villamarín. During his reign Betis returned to the top division in 1958–59 and finished in third place in 1964. His purchase of the Estadio Heliópolis in 1961 is seen as a key point in the history of the club – the grounds were called the "Estadio Benito Villamarín" until 1997. In 1965, Villamarín stepped down from his position after ten years at the helm of the club. Just one year after Villamarín's departure, the club would again be relegated to division two, then rising and