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 Betis cantera Rivas, Arzu, Melli and Juan José Cañas whose careers were defined by their long spells at Betis, plus Joaquín who transferred to Valencia for €25 million. In the subsequent decade the production line of "canteranos" did not stall entirely, but the "Verdiblancos" never came close to developing another group of that quality, nor were they able to nurture any exceptional individuals who could be sold on for economic benefit, until summer 2017 when Dani Ceballos signed for Real Madrid for €18 million. The same club have also tempted younger players to join their academy from that of Betis for little