The St. Louis Cardinals are now playing against the Los Angeles Dodgers for the National League Championship Series.
Both teams played each other Oct. 11-12 in St. Louis and the Cardinals won both games.
But when the series shifted to Los Angeles last night, the Dodgers won 3-0 and the teams match up again tonight when they play at 7 p.m.
Whoever wins four games first moves on to the World Series against the American League Champions.
Right now, the Detroit Tigers and the Boston Red Sox are playing for the American League Championship title and as of Monday, the Tigers and Red Sox are tied in the series, 1-1. They played in Boston for the first two games and have traveled to Detroit to play Games 3-5.