Two years after their devastating 7-1 defeat to Germany in the semi-final, Brazil are looking to bring smile back to the home supporters with a gold medal to their three silver medals, two bronze and five World Cup titles already.
Brazil have selected a young squad for Olympics, with Neymar, Douglas Costa of Bayern Munich and goalkeeper Fernando Prass, 37, are the only three players aged over 23 in the side.
Neymar, who missed the Copa America, will play in the Olympics and lead the side.
Following a humiliating Copa campaign, head coach Dunga was fired from the job.