After Johnny Cueto (for seven innings) and Alex Wood (for eight) hooked up in a dazzling duel of scoreless one-hitters Friday, Opening Day hero Joe Panik duplicated his homer off Clayton Kershaw by taking Kenley Jansen deep leading off the ninth inning for another stunning 1-0 Giants win over the Dodgers, who have been shut out in the first two games of the season for the first time in 50 years and second time in history.