Nobody expected this National League Championship Series to be easy for either team, right? The Cardinals blasted four home runs Sunday night en route to staving off a 2-0 NLCS deficit with a 5-4 victory in Game 2 at Busch Stadium. After the Giants tied the game in the top of the ninth, Kolten Wong hit a walk-off home run to send the series to San Francisco tied 1-1. Here's what you should know from Game 2.