Real Betis happened in 1928–29, with both teams winning their home matches (3–0 and 2–1). They played for the first time in the Spanish top division during the 1934–35 season, with a 0–3 home defeat for Sevilla and a 2–2 draw at Betis, with the latter winning the national championship. On 17 January 1943, Betis lost 5–0 at Sevilla, eventually being relegated. In the first game held at the Ramón Sánchez Pizjuán Stadium, on 21 September 1958, the "Verdiblancos" won it 4–2. In later years, several matches were also marred by violence, including: a security guard attacked by a Sevilla fan with
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