If you're not aware of Rayo Vallecano already, the key things to know are:
πͺ Working-class barrio club
β‘ Name means 'lightning'
π£ Amazing ultras (Los Bukaneros)
ποΈ Three-sided stadium
ποΈ No online ticketing
βοΈ Fans at odds with management
More in my next book, out next year (more details soon...)