NATIONALS 13, CUBS 0WASHINGTON — Gio Gonzalez pitched eight sparkling innings and Ryan Zimmerman tied a career high with four hits and drove in three runs as the Washington Nationals roughed up the Chicago Cubs without recently traded Jeff Samardzija for a 13-0 victory Saturday.Jayson Werth and Anthony Rendon added three hits and two RBIs for the Nationals on a day the Cubs were forced to start Carlos Villanueva (4-6) following the trade of Samardzija, the scheduled starter, and Jason Hammel to the Oakland Athletics.Washington posted a season high in runs and hits (19), including eight doubles but no home runs.Gonzalez (6-4) allowed four hits, while striking out seven and walking one. He’s now thrown 29 consecutive scoreless innings against Chicago and 22 overall.BREWERS 1, REDS 0CINCINNATI — Matt Garza threw a two-hitter for his fourth career shutout, and the Brewers ended their four-game losing streak by beating the Reds.Aramis Ramirez singled home a run in the first inning off Homer Bailey (8-5), who gave up seven hits through eight innings. Two Brewers were thrown out at the plate.Garza (6-5) has been one of the Brewers’ best starters lately, going 4-1 in his last seven games.