05/20/2014 11:50 EDT | Updated 07/20/2014 05:59 EDT

World Cup 2014: Soccer passion turns violent too often

Brazil's passionate soccer fans will go to great lengths to support their teams. Unfortunately, that enthusiasm has turned violent far too often.

"I would give my life to defend Palmeiras," says Marcos Ferreira, one of the Sao Paulo club's most ardent supporters.  

Click on the above video as CBC's Brenda Irving takes us behind the scenes of a heated fan rivalry in the heart of Brazil.