In the 2014 postseason, Belt batted .295 (18-for-61) with 8 RBI and 11 walks in 17 games. In Game 2 of the 2014 NLDS versus the Washington Nationals, Belt hit a solo home run in the top of the 18th inning to break a 1–1 tie in the 18th inning after 6 hours and 23 minutes of game play, helping the Giants to an eventual 3–1 series win. On October 29, 2014, Belt won his second World Series ring when the Giants defeated the Kansas City Royals in seven games. Belt, along with teammate Hunter Pence, hit safely in all seven games of the series, the only players on either team to do so.