Starling Marte hit a solo home run off George Kontos with two outs in the ninth inning, lifting the Pittsburgh Pirates to a 3-2 victory over the San Francisco Giants on Saturday. Jung Ho Kang hit a pair of solo homers for the Pirates in the matchup of playoff contenders. Marte sent the first pitch he saw from Kontos (2-2) into the sun-drenched seats in left field for his second career walkoff hit.