It took a playoff record-tying 18 innings, but the Giants outlasted the Nationals for an unforgettable 2-1 victory on Saturday to win Game 2 and take a commanding 2-0 lead in the best-of-five National League Division Series. A two-out, two-strike double by Pablo Sandoval tied the game in the top of the ninth, and a Brandon Belt solo home run won the game nine innings later. Here's what you should know from Game 2.