Michael Wacha began last week's start against the Los Angeles Dodgers like he had so many of his others, keeping hitters off base and keeping the St. Louis Cardinals in line for a victory. It took only one-third of an inning for that game to tilt in the Dodgers' favor. Los Angeles is the only team to beat St. Louis in the regular season with Wacha on the mound since September, and it will look to do so again Thursday night in the opener of a four-game series at Dodger Stadium.