A loud homer off the bat of Domingo Santana, which landed in the last row in front of the concourse near left-center field, gave the Brewers a 1-0 lead in the top of the first.
It appeared to bouncing around the concourse and traveled 476 feet according to StatCast, which would be the longest home run in Nationals Park history.
Former Nationals slugger Michael Morse's drive of 465 feet was the longest previous homer on July 20, 2012, based on the previously used ESPN home run data, which is not the standard now.
Santana hit a 2-0 pitch from Gio Gonzalez for his 17th homer of the season.
With two outs, Travis Shaw doubled. He went to third on a stolen base that didn't draw a throw and came home on a strikeout of Jesus Aguilar that got away from catcher Matt Wieters. The Brewers lead 2-0.
Bryce Harper singled to left field in the bottom of the first off of Brewers right-hander Jimmy Nelson to extend his hitting streak to a career-high 18 games.
The Nationals have a pair of two-out hits in the first two frames but nothing to show for it.
After two, the Brewers lead 2-0 and have outscored the the Nats 10-0 in the series.
Update II: Not a good night again for the Nats offense, which has managed three two-out singles through five innings. That is a total of eight hits and no runs so far in this series. Brian Goodwin has struck out in all three plate appearances.
Update III: Daniel Murphy crushed a solo homer in the seventh to finally get the Nats on the board. It was his 17th homer of the season.
Gonzalez finished seven innings, allowing two runs on five hits with one walk, one wild pitch and eight strikeouts. He fired 102 pitches, 67 for strikes.
After seven innings, the Brewers lead 2-1.
Update IV: Hope you got to see the Nats bat in the bottom of the eighth. Harper got tossed by home plate umpire Chris Segal for arguing balls and strikes. Then the Nats rolled off seven runs to take control of the game.
Wilmer Difo had a RBI single, Ryan Zimmerman a two-run double, Anthony Rendon an RBI single, Adam Lind a two-run double and Pedro Severino a RBI double. Severino had come in to the game as a pinch-runner after a Wieters walk started the inning.
After eight innings, the Nats lead 8-2.
Update V: Sean Doolittle allowed a two-run shot to Lewis Brinson and a RBI double by Hernán Pérez in the ninth. But he struck out Jonathan Villar and Santana to end the game.
Final score: Nationals 8, Brewers 5.
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