Doha, Qatar - Neymar returned from injury to help inspire Brazil to a 4-1 victory over South Korea on Monday as the favourites cruised through to the quarter-finals of the World Cup. The world's most expensive player had sat out his team's last two matches with a sprained ankle suffered in their opening 2-0 win over Serbia. But he came back for this last-16 tie as Tite's team clicked into gear and delivered an ominous message to their rivals, at least before easing off in the second half. Vinicius Junior opened the scoring inside seven minutes before Neymar added another from the penalty spot to move to 76 goals for his country, leaving him just one away from equalling Pele's…