The 2019 Major League Baseball postseason was the playoff tournament of Major League Baseball for the 2019 season. The winners of the League Division Series would move on to the League Championship Series to determine the pennant winners that face each other in the World Series. The postseason began on October 1, and ended on October 30, with the Nationals upsetting the Astros in seven games in the 2019 World Series. It was the first title in franchise history for the Nationals, and the first World Series title won by a team from Washington, D.C. since 1924.