The American League Championship Series (ALCS) is a playoff series in Major League Baseball (MLB) that determines the champion of the American League. It typically takes place in October and features the two teams that have advanced from the American League Division Series. The winner of the ALCS earns the right to compete in the World Series against the champion of the National League. The ALCS is a best-of-seven series, meaning the first team to win four games advances to the World Series. This series has a rich history, with many memorable moments and legendary players, contributing to the excitement of postseason baseball in the United States.