C.R. Flamengo

Clube de Regatas do Flamengo (; English: "Flamengo Rowing Club"), commonly referred to as Flamengo, is a Brazilian sports club based in Rio de Janeiro, in the neighbourhood of Gávea, best known for their professional football team. Flamengo is the only team in the World to have 40 million fans within its country, therefore, it is the most popular club in the Americas.
Football honours.
 Undefeated champion