Original Nike football shirt Athletic Bilbao 2013/14

Athletic Club (best known as Athletic Bilbao) is a Spanish football club from the Basque Country region, playing in the Primera División. The club has played in this top division since it was founded in 1928 and in that respect is in the company of only Real Madrid and FC Barcelona. Until 2012, Athletic Club played its home games at the San Mamés, also known as La Catedral. Since 2013, a new stadium has been played, also called San Mamés. Atlético Madrid was founded by Basque students in Madrid. The old relationship between the teams can still be found in the comparable red and white shirts.

Athletic Club also has a second team, Bilbao Athletic, which plays in Segunda División B.