Brandon Crawford hit a two-run home run and Brandon Belt drove in the tiebreaking and eventual game-winning run Saturday night as the San Francisco Giants edged the Chicago Cubs 5-4 at Wrigley Field in Chicago. Gorkys Hernandez went 3-for-5 with two runs scored out of the leadoff spot for San Francisco while starter Chris Stratton (6-3) got the win. Jose Quintana (5-4) absorbed the loss, allowing five hits and four runs over 4 1/3 innings.