Jordan Zimmermann and other Nationals pitchers who had left the longest postseason game in baseball history were watching on TV in the home clubhouse as Washington fell behind San Francisco in the 18th inning.Washington Nationals right fielder Jayson Werth watches a solo home run San Francisco Giants' Brandon Belt's in the 18th inning fall behind the fence in Game 2 of baseball's NL Division Series in Nationals Park, Saturday, Oct. 4, 2014, in Washington.San Francisco Giants first baseman Brandon Belt leaves the dugout after Game 2 of baseball's NL Division Series against the Washington Nationals in Nationals Park, Sunday, Oct. 5, 2014, in Washington. Belt hit a solo homer in the 18th inning to give the Giants a 2-1 win and a 2-0 lead in the series.The scoreboard shows the go-ahead run in the 18th inning in Game 2 of baseball's NL Division Series between the Washington Nationals and the San Francisco Giants in Nationals Park, early Sunday, Oct. 5, 2014, in Washington. The game tied the mark for most innings in a postseason game and, as late afternoon stretched into early evening and even past midnight, set a time record at 6 hours, 23 minutes. The Giants won 2-1.San Francisco...