League Championship Series

The League Championship Series (LCS) is the semifinal round of postseason play in Major League Baseball, featuring the American League Championship Series (ALCS) and the National League Championship Series (NLCS). The LCS has been conducted since 1969, determining the winner of the pennant for each league and each league's representative in the World Series. In 1981 and since 1995, the LCS matches up the winners of the Division Series from each league.