“Rayo Vallecano are a fairly unremarkable club. Competing with Getafe to be Madrid’s third biggest side, their most newsworthy recent story has concerned their financial problems. More positively, they have a reputation for attracting some of the most noisiest fans in La Liga, with their ultras gathered behind the only end of the ground that boasts a stand – the opposite end is simply a wall covered up by advertising hoardings, with a couple of high-rise apartment blocks behind.” Zonal Marking