The San Francisco Giants were unable to sweep the Washington Nationals, who took Game 3 of the NLDS with a 4-1 win on Monday. The Giants lead the best-of-five series 2-1.Game 4 is scheduled for 6 p.m. Tuesday at AT&T Park in San Francisco and will feature a pitching match up between Ryan Vogelsong of the Giants vs. Gio Gonzalez of the Nationals.View more coverage on NBC Bay Area's San Francisco Giants page.Photo Credit: Getty Images