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
Alfonso XIII of Spain sport of football led to the patronage of several "Royal" ("Real" in Spanish) football clubs, the first being Real Club Deportivo de La Coruña in 1907. Selected others include Real Madrid, Real Sociedad, Real Betis, Real Unión, Espanyol and Real Zaragoza. An avenue in the northern Madrid neighbourhood of Chamartín, Avenida de Alfonso XIII, is named after him. A plaza or town center in Iloilo City, Philippines (now Plaza Libertad) was named in his honour called Plaza Alfonso XIII. A street in Merthyr Tydfil, in Wales, was built especially to house Spanish immigrants in the mining industry and named Alphonso