Rayo Vallecano unveiled its new strips for next season -- and its rainbow version brought about huge support on social media. Its sash consists of six different colors representing different causes within society. The rainbow represents those fighting against homophobia. Rayo Vallecano
Rayo, based in Madrid, is dwarfed by its neighbors Atletico and Real. It has one of the smallest budgets in Spain's La Liga but still managed to finish 11th last season. Javier Soriano/AFP/Getty Images
Estadio de Vallecas is the home of Rayo Vallecano. Located southeast of the city center, it has a capacity of just under 15,000 but has played host to the likes of Lionel Messi's Barcelona and Cristiano Ronaldo's Real Madrid. Gonzalo Arroyo Moreno/Getty Images
The rainbow laces campaign is at the forefront of football's fight against homophobia in the UK. Several high-profile players have backed the program by wearing the laces during Premier League matches. Charlie Crowhurst/Getty Images
Robbie Rogers announced he was gay in February 2013 and promptly retired from professional football. It was only after being a hugely positive reaction that he decided to return to action with Los Angeles Galaxy in the U.S. Major League Soccer. Jeff Gross/Getty Images
Former Aston Villa and Germany midfielder Thomas Hitzlsperger announced he was gay in January 2014. He won 52 caps at international level and has been a strong advocate for LGBT rights since revealing all in an interview last year.