Brazil 's defender and captain Thiago Silva(back)watches his teammate forward Neymar head the ball during a training session at the squad's Granja Comary Training complex in Teresopolis during the 2014 FIFA football world cup
RIO DE JANEIRO: Brazil is nervously heading into their World Cup last 16 clash with Chile on Saturday (Sunday in Manila), while Uruguay must learn to live without Luis Suarez as they tackle the knockout stage.