The San Francisco Giants are on another October roll in their every-other-year pattern of postseason success.San Francisco Giants pitcher Sergio Romo shouts after the final out in the eighth inning against the Washington Nationals during Game 4 of baseball's NL Division Series in San Francisco, Tuesday, Oct. 7, 2014.San Francisco Giants first baseman Brandon Belt, upper left, high fives third baseman Pablo Sandoval and teammates after the Giants beat Washington Nationals in Game 4 of baseball's NL Division Series in San Francisco, Tuesday, Oct. 7, 2014. The Giants won 3-2 to win the series.San Francisco Giants first baseman Brandon Belt, upper left, high fives third baseman Pablo Sandoval as pitcher Santiago Casilla, left, second baseman Joe Panik (12) and teammates celebrate after the Giants beat Washington Nationals in Game 4 of baseball's NL Division Series in San Francisco, Tuesday, Oct. 7, 2014. The Giants won 3-2 to win the series.San Francisco Giants Buster Posey is tagged out at home by Washington Nationals pitcher Aaron Barrett (30) after he ran on a wild pitch in the seventh inning during Game 4 of baseball's NL Division Series in San Francisco, Tuesday, Oct. 7, 2014.