After ugly loss, Nationals open series in San Francisco

The San Francisco Giants and visiting Washington Nationals have different goals when they wrap up the first half of the season with a three-game series this weekend. The series opens with a battle of right-handers on Friday night. The Giants (54-32) begin the series dueling the Los Angeles Dodgers (54-34) and Milwaukee Brewers (53-36) for the distinction of being the National League's winningest team.