Real Club Celta de Vigo, or simply Celta Vigo, is a Spanish professional football club based in Vigo, Galicia, currently playing in the Primera División. It was founded on 23 August 1923 following the merger of Real Vigo Sporting and Real Fortuna Foot-ball Club. Nicknamed Os Celestes (The Sky Blues), they play in sky blue shirts and white shorts. The club's home stadium is Balaídos, which seats 31,800 spectators. Celta Vigo have played many seasons in La Liga, but they have never won it, they also never won any Copa del Rey. One of their best seasons was 1970–71, when they finished unbeaten at home and were known as the "giant-killers." Celta came sixth that season and qualified for the UEFA Cup for the first time. More recently, the club finished in their best-ever position of fourth in 2002–03, qualifying for the 2003–04 UEFA Champions League, where they were eliminated by Arsenal.

Estadio Abanca-Balaídos

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.