Club Atlético Osasuna (Osasuna Athletic Club) or simply Osasuna, is a Spanish football team based in Pamplona, Navarre. Founded on November 17, 1920, the club currently plays in La Liga, holding home games at the 18,375-capacity El Sadar Stadium. The team tends to play in a red shirt with navy blue shorts, whereas the away kit differs from season to season. "Los Rojillos" is the club nickname, meaning "The Reds". The word "osasuna" means "health" in Basque, used in a sense of "strength" or "vigour". For different reasons, rivalries exist between Osasuna and Real Zaragoza, Real Madrid, and some Basque clubs, particularly Athletic Bilbao.

Estadio El Sadar

Rayo Vallecano de Madrid, S.A.D. (Spanish pronunciation: ), often abbreviated to Rayo, is a Spanish football team based in Madrid, in the neighbourhood of Vallecas. Rayo was founded on 29 May 1924, and currently compete in La Liga. Home games are held at the 14,708-seater Campo de Fútbol de Vallecas stadium. Rayo has competed in one European competition, the UEFA Cup in the 2000–01 season. The club made it to the quarter-finals before losing to fellow Spanish club Alavés 4–2 on aggregate.