The Royals qualified for the postseason in 2015. Gordon hit a home run off of Luke Gregerson in the ninth inning of Game 3 of the 2015 AL Divisional Series. The Royals would go on defeat the Astros in five games, and would defeat the Toronto Blue Jays in the American League Champsionship Series. Gordon hit .250 in the series against Toronto. In Game 1 of the 2015 World Series, Gordon hit a ninth-inning home run off of New York Mets closer Jeurys Familia to tie the game at 4. The Royals would go on to win, 5–4, in 14 innings. Gordon became a World Champion when the Royals won the World Series in five games over the Mets, the first World Series won by the Royals since 1985. Combined in the postseason, Gordon hit .241 with 2 homers, 6 RBI and a .775 OPS. Gordon, along with all of the Royals, attended the World Series parade and pep rally in downtown Kansas City, Missouri, at Union Station on November 3.