What is this wild World Cup ? It’s Brazil narrowly taking Chile to a penalty shootout — and even winning that just barely; Colombia running over Uruguay — giving rise to a soccer god in the making named James Rodriguez ; and Algeria putting Germany through the 120-minute ringer. It’s Greece taking the tournament dark horse Costa Rica to a penalty shootout in the first round of 16 the coastal nation had ever seen. It’s Robben and the Netherlands breaking the hearts of Mexican fans everywhere . See also: USA vs. Belgium: Your Mega Preview for Tuesday’s World Cup Showdown It’s drama. It’s the World Cup that keeps on giving. On the last day of the round of 16, it has one the of best gifts to give yet: An opportunity to watch Lionel Messi take the pitch again, and Team USA fight in the playoff spot nobody thought they would earn. Argentina vs. Switzerland, noon ET Let’s just say it. Switzerland narrowly edged out of their group. But the knockout round is a whole new beast and a wonderful chance for a team to prove their real mettle — when it’s all on the line. The biggest threat on…