Champions Spain open their campaign tonight in group B when they take on the Netherlands in it's the first time ever that the previous two finalists have met in the opening round. Spain have 16 returning players from their squad at the 2010 tournament - the Netherlands have seven, Pain are going for a 4th major trophy in a row .Dutch manager Louis van Gaal is expected to start with the 5-3-2 formation while Robin Van Persie is likely to start despite his recent injury scare.Kick off s at 8. In the nights other group B game Chile face Australia at 11 pm while in group A at 5 at five Cameroon meet Mexico. Last night in group A hosts Brazil opened with a 3-1 win over Croatia. Marcelo's own goal put the Croats in front before Neymar equalized and then gave the Samba boys the lead with a controversial penalty in the second half Chelsea play maker Oscar wrapped it up with a late goal.12.2 million tweets from 150 countries were sent during that game!