The Division Series is a key round in the Major League Baseball (MLB) postseason. It features the top teams from each league, the American League and the National League, competing in a best-of-five series. The winners of these series advance to the League Championship Series. In the Division Series, teams are matched based on their regular-season performance, with division champions facing wild card teams. This round is crucial as it determines which teams will continue their quest for the World Series title, the ultimate championship in baseball.