By Brett Wolf ST. LOUIS - The road warriors of the San Francisco Giants, led by their ace left-hander Madison Bumgarner, beat the St. Louis Cardinals 3-0 to claim the opening game in the National League Championship Series on Saturday. Bumgarner pitched seven and two-thirds innings, giving up four hits and striking out seven, and got all the support he needed when the Giants scored two runs in the second and another in the third off the Cardinals' top starter, Adam Wainwright. ...