Pinch hitter Ramiro Pena doubled in a run from first base in the 11th inning and the San Francisco Giants escaped with a 5-4 victory over the Arizona Diamondbacks on Sunday to take two of three in the series. The Diamondbacks' Jake Lamb hit a two-run home run in the eighth inning to tie it 4-4 but Enrique Burgos (0-1), Arizona's seventh pitcher of the game, walked leadoff batter Jarrett Parker in the 11th and Pena lined the first pitch he saw into the right field corner, giving Parker time to score.