1. someone associated with Atlético Madrid, as a fan, player, manager etc. (soccer)

2. someone associated with Athletic Bilbao, as a fan, player, manager etc. (soccer)

3. someone associated with Sporting de Gijón, as a fan, player, manager etc. (soccer)

4. someone associated with Sevilla FC, as a fan, player, manager etc. (soccer)

5. someone associated with various other teams who play in a red and white strip (soccer)