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 white Kit to honor their most famous manager Paddy O'Connell, who was from Ireland. He led Betis to the division title in 1934 by a single point over Real Madrid. During the Spanish Second Republic (1931–1939), royal patronage of all organisations was nullified, and thus the club was known as Betis Balompié until after the Spanish Civil War when it would revert to the full name. The club reached the Copa del Presidente de la República final for the first time on 21 June 1931, when it lost 3–1 to Athletic Bilbao in Madrid. Betis marked their 25th anniversary year