Pablo Sandoval's surge continued. The San Francisco Giants' winning streak did not.San Francisco Giants startin pitcher Yusmeiro Petit throws to the Chicago Cubs during the first inning of a baseball game on Monday, May 26, 2014, in San Francisco.Chicago Cubs starting pitcher Jeff Samardzija throws to the San Francisco Giants during the first inning of a baseball game on Monday, May 26, 2014, in San Francisco.San Francisco Giants' Angel Pagan, right, reaches first base safely after a fielding error by Chicago Cubs starting pitcher Jeff Samardzija during the first inning of a baseball game on Monday, May 26, 2014, in San Francisco.San Francisco Giants' Pablo Sandoval protests a strikeout call during the eighth inning of a baseball game against the Chicago Cubs on Monday, May 26, 2014, in San Francisco. Chicago won 8-4.