Doug Fister dominates again to win his fourth consecutive start as the Nats beat the Reds 4-2.
Cueto tossed seven scoreless innings, striking out nine to lower his ERA to a 2.08. The Reds right-hander was aided by some questionable base running on the Nationals' part, most notably by Bryce Harper.
Denard Span went 4-for-5 in the team's 4-1 win over the Reds on Friday night, again setting the table for a lineup that has proven dangerous when healthy this season.
Tanner Roark became Washington's first 10-game winner with a 4-1 victory over the Reds.
Tonight the Nationals go up against the Reds in Cincinnati in their 100th game of the 2014 season.