Oct 17 - The St Louis Cardinals beat the San Francisco Giants 3-1 in a rain-delayed Game Three on Wednesday to seize a two games to one lead in the best-of-seven National League Championship Series. Matt Carpenter, who replaced injured outfielder Carlos Beltran, cracked a two-run home run in the third to give St. Louis a 2-1 lead and send the Cardinals on their way. St. Louis added another run in the seventh inning when they knocked Giants starter Matt Cain out of the game just before a storm delayed the game for about three and a half hours. ...