The 1925 World Series was the championship series of the 1925 Major League Baseball season. The 22nd edition of the World Series, it was a best-of-seven playoff, played between the National League (NL) champion Pittsburgh Pirates and the American League (AL) champion Washington Senators, the defending World Series champion. The Pirates defeated the defending champion Senators in seven games to win the series, becoming the first team in North American sports history to overcome a 3–1 series deficit to win a playoff series. Won the 1925 World Series on October 15, 1925. Wiki link