Anthony DeSclafani pitched eight scoreless innings and Camilo Doval completed the three-hitter to lead the San Francisco Giants to a 2-0 win over the Houston Astros Tuesday night. Blake Sabol had an RBI double and Thairo Estrada added two hits to help San Francisco snap a four-game skid. After the winning the series opener 7-3, the Astros couldn't get anything going against DeSclafani as they were shut out for the first time this season.