SAN FRANCISCO (AP) — Mac Williamson homered for the second straight night, hitting a tiebreaking shot in the sixth inning to lead the San Francisco Giants to a 4-3 victory over the Washington Nationals on Tuesday night. Brandon Belt hit his fifth home run in six games, Joe Panik added three hits and scored twice, and the Giants won their third straight and fourth in the last five. One night after hitting a 464-foot homer in the series opener, Williamson hit a first-pitch solo shot to center off Tanner Roark with two outs in the sixth inning that bounced off the top of the wall and broke a 3-all tie.Read more on NewsOK.com