What a difference two weeks make.We’veseen heads butted, shoulders bitten, bones cracked and bloodspilled – all in the opening round. Cheers to what comes next because if the rest of World Cup is as entertaining as group play, it’s going to be a tournament for the books. For now – here’s a look back at the best moments so far. Best “Did That Just Happen?” Moment It was the bite seen ’round the world Mike Tyson, is that you? As the minutes ticked away and Uruguay’s chances of advancing were slipping away, Luis Suarez took matters into his own hand – or rather, his own mouth – and bit Italian defender Giorgio Chiellini. The craziest part? This is the third time he’s bit an opponent. The bite was so delicious for internet trolls that a Pac Man starring Suarez was created. As for Suarez, he’ll miss Uruguay’s round-of-16 match against Colombia – and the rest of the World Cup, for that matter – after FIFA banned him for nine games and four months. Best Audition for Red Bull Gives You Wings Commercial Mario Balotelli may have gotten his second yellow card of the Cup for this high-flying foul that nearly…