How many teams have the Athletic Club policy?

Sign up to The Athletic: https://theathletic.com/tifofootball 📗 Tifo's new book, "How to Watch Football" is now available internationally: https://linktr.ee/tifobook Athletic Club, who are based in the Basque capital of Bilbao, famously have a policy of only playing players from the Basque Country. But are there any other teams that follow similar self-imposed rules? Join the Tifo Discord Server - https://discord.gg/6nMGtSyyNM Follow Tifo Football by The Athletic: Facebook: http://facebook.com/TifoFootball Instagram: http://instagram.com/TifoFootball_ TikTok: https://www.tiktok.com/@tifofootb