Mitch Haniger hit a go-ahead two-run homer in the eighth inning and Logan Webb allowed one run over seven innings to pace the San Francisco Giants to a 3-1 victory over the Milwaukee Brewers on Saturday. J.D. Davis singled with one out in the eighth off Peter Strzelecki, who relieved to open the inning. After Michael Conforto struck out, Haniger sent the first pitch he saw from Strzelecki (2-4) 419 feet to center for his fourth homer.