Athletic Bilbao
The club's nicknames are Rojiblancos (Red and White) and Los Leones (The Lions). The club colours are of course red and white, which dominate both the home jersey and the emblem. Their home is the San Mamés stadium, a modern sanctuary built in 2013 that holds 53,289 people. It replaced the original stadium of the same name on the same site.
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Atlético Madrid
The club's nicknames include Los Colchoneros, Los Indios and Los Rojiblancos (the red and white). Surely you can guess the club colours, red and white. There are also elements of blue, both on the jerseys and in the emblem. They are at home at the Wanda Metropolitano Stadium, which has a capacity of 67,829 seats and has only been the club's home since the 2017/18 season.
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