Real Betis for two years before being officially recognised (in 1909); despite this 1907 remains the official foundation date of the club. Following an internal split from Sevilla FC, another club was formed, Betis Football Club. In 1914, they merged with Sevilla Balompié. The club received its royal patronage in the same year, and therefore adopted the name Real Betis Balompié. Fans continued to refer to the club as "Balompié" and were themselves known as "Los Balompedistas" until the 1930s, when "Betis" and the adjective "Béticos" became common terminology when discussing the club and its followers. Real Betis wear a green and
Real Sociedad B División with under-20 graduates of the club's youth system. The Real Sociedad C team must play at least one division below Sanse. Real Sociedad B hold home games at "Instalaciones de Zubieta", which holds 2,500 spectators. Players of both the first and the second teams train in these facilities, with Sanse’s players being nicknamed "Potrillos" ("Colts") as the grounds are located near the city's horse racetrack. Real Sociedad B Real Sociedad de Fútbol B (also known as Sanse) is a Spanish football team based in San Sebastián, in the autonomous community of Basque Country. Founded in 1951, it is the