Neymar defeats Marcelo in Thursday 's the World Cup opener . Marcelo own-goal gives European side an early lead in Sao Paulo . Neymar then scores twice for Brazil and Oscar seals win late . Mexico faces Brazil in 79th Group A game on Friday .
Brazil defeats Croatia 3-1 in Thursday 's World Cup opener . Marcelo own-goal gives European side an early lead in Sao Paulo . Neymar then scores twice for Brazil and Oscar seals win late . Mexico faces Cameroon in second Group A game on Friday .