The most popular sport in Brazil, football continues to be a passion for fans.

And, on the eve of the Libertadores da América decision this Saturday (27), check out MMA athletes who support or have already worn Flamengo and Palmeiras shirts

Former UFC featherweight champion, José Aldo is a fanatical Flamengo fan and has even posed with Zico, the biggest idol in the club's history

Chael Sonnen declared his 'love' for Palmeiras before facing Corinthians and arch-rival Anderson Silva

Marlon Moraes supports Flamengo and has already revealed that he hears the Red and Black fans before his fights

A huge football fan, Rampage Jackson became a Palmeiras fan due to the influence of his former coach, Waldomiro Perez Junior

Raoni Barcelos is another fan of the Rio club

Ex-UFC, São Paulo native Livinha Souza also doesn't hide her passion for alviverde

Antônio Pezão is a fanatic and makes a point of saying that he is 'Flamengo until he dies'

'TUF Brasil 4' champion, Glaico França is an admirer of the current Libertadores champion

Before MMA, Vitor Belfort played in the youth categories and to this day has a love for the Gávea club

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