History. Atltico and Cruzeiro make one of the biggest rivalries in the world. The two clubs from Belo Horizonte practically monopolize the Campeonato Mineiro, and have clashed in decisive matches in the Brasileiro, Copa do Brasil and continental CONMEBOL competitions of.
Flamengo's fiercest and longest-standing rivalries are with the other "Big Four" of Rio de Janeiro: Fluminense, Botafogo and Vasco da Gama; as well as interstate rivalries with Atletico MG and Palmeiras.