Facing Kershaw again in Game 6, Wacha yielded just two hits in seven innings as his opponent unravelled in a 9–0 victory that sent the Cardinals to the World Series. Wacha won both of his NLCS starts, holding the Dodgers to a .149 batting average, two walks and 13 strikeouts in scoreless innings pitched as he earned the NLCS Most Valuable Player. He became the fourth rookie to win a postseason Most Valuable Player Award, following Larry Sherry (1959 World Series), Mike Boddicker (1983 NLCS), and Liván Hernández (1997 NLCS and 1997 World Series). Through the NLCS, Wacha allowed just one run on eight hits in 21 innings pitched for a 0.43 earned run average while striking out 22.