Club Universitario de Deportes, popularly known as Universitario or simply as La "U", is a Peruvian football club based in Lima. The club was founded in 1924 under the name Federación Universitaria by students of the National University of San Marcos but was forced to rename in 1931. Since 1928, the club competes in the top tier of Peruvian football, the Torneo Descentralizado. In 2000, they opened the 80,000-capacity stadium Estadio Monumental, currently the largest stadium in Peru and second-largest in South America, retiring their smaller Estadio Teodoro Lolo Fernández. Universitario and Alianza Lima participate in the Peruvian Clásico, which has its roots in the club's first participation in the Primera División in 1928. It also has rivalries with Sporting Cristal, Deportivo Municipal, and Sport Boys.

Sport Boys Association, commonly referred to as Sport Boys or simply Boys, is a Peruvian football club based in the port city of Callao. It was founded on 28 July 1927. Its classic and historic rival is the Atlético Chalaco against whom dispute the Clasico Porteño derby of Callao. They play their home games in Estadio Miguel Grau in Callao, which it also shares with two other clubs in Callao, Academia Cantolao, and Universidad de San Martín de Porres.