A Levski-CSKA match at the national stadium in Sofia, Bulgaria, on March 27, 2010. (Courtesy of the Levski football team)
- [/]

CSKA and Levski devotees enjoy what they call “the everlasting derby,” a bitter red-versus-blue struggle that stretches from Serbia to Russia, mixing politics and history along the way. Levski fans wear blue. (Courtesy of the Levski football team)
- [/]

CSKA fans wear red. The team's symbol is a red star, the symbol of the communist-era army. (Courtesy of the Levski football team)
- [/]

Levski became linked with the police and intelligence services during the Cold War. Now the club’s supporters call Levski the “people’s team,” in part because blue is associated with democracy in Bulgaria. (John Dyer/GlobalPost)
- [/]

Scandals and concerns over poor management, along with crumbling facilities, have damaged Bulgarian football in the past decade, said CSKA spokesman Vladimir Roupov. Only a quarter of the 40,000 seats were filled on March 27. (Courtesy of the Levski football team)
- [/]