World Series

The annual best-of-seven championship series between the champions of Major League Baseball’s American and National Leagues. First played in 1903, it determines MLB’s champion.

Best-of-seven playoff: A contest in which the first side to win four games wins the series. The World Series uses this format, making each team’s wins and losses cumulative.
1903 World Series: The first modern World Series, played between the Boston Americans and Pittsburgh Pirates. It established the interleague championship after the American and National Leagues made peace.
1919 World Series: The World Series in which several Chicago White Sox players conspired with gamblers to lose games to Cincinnati. The scandal permanently altered baseball’s governance and public trust in the championship.
Black Sox Scandal: The 1919 conspiracy by Chicago White Sox players to throw the World Series for gamblers. The scandal prompted baseball to create a stronger central authority.
Major League Baseball postseason: The elimination tournament that determines Major League Baseball’s annual champion. The World Series is the final stage of this larger tournament.
National Agreement of 1903: An agreement that recognized the American League and National League as major leagues and regulated their relationship. It formalized the framework that allowed the leagues’ champions to meet.
1947 World Series: The first World Series featuring Jackie Robinson, who had integrated the National League that season. It brought baseball’s integration into the championship spotlight.
Commissioner of Baseball: The chief executive of Major League Baseball, empowered to oversee the sport’s interests. The 1919 scandal helped establish the commissioner’s office and its broad authority.
American League: One of Major League Baseball’s two leagues, established in 1901. Its champion qualifies for the World Series.
American League–National League rivalry: The competition between the two leagues that shaped early professional baseball. The World Series turned their rivalry into an annual contest between champions.

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