Jordan Zimmermann takes on Bronson Arroyo as the first-place Nationals go for their fourth-straight win. Mark Zuckerman has all the updates live from Nationals Park.
Riding a streak of 19 consecutive scoreless innings, the Nationals' starting rotation has helped propel its team into first place.
Gio Gonzalez pitched a gem but it took extra innings for the Nationals to beat the Reds and move to first in the division.
Gio Gonzalez allowed just two hits over seven scoreless innings and accomplished something for the first time in his career.
Ryan Zimmerman made up for his earlier defensive gaffes by scoring on a 10th-inning wild pitch that gave the first-place Nationals a 3-2 win over the Reds.