The Diamondbacks opened up the scoring in the 5th on a Jake Lamb sacrifice fly that scored Mark Trumbo to make it 1-0. The Nationals answered back in the 7th on a Wilson Ramos homer that scored himself and one other to make it 2-1 Nationals.
The Diamondbacks took the lead back in the 8th on a two-run bomb of their own by Didi Gregorius. That lead did not hold up for even a half inning as Brad Ziegler was not sharp. Anthony Rendon tripled home Denard Span to tie the game, and Jayson Werth hit a sac fly to give the Nats a 4-3 lead.
However, the D'Backs were not dead yet. Tyler Clippard came in to save the game for Washington, but David Peralta had other ideas. That idea being a solo shot to tie the game. Oliver Perez pitched a clean bottom of the inning and to extras we go.
The D'Backs loaded the bases with nobody out in the top of the 11th. Jake Lamb struck out swinging. Didi struck out swinging, and pinch-hitter Cliff Pennington grounded out to end the inning in D'Backsian fashion.
This was important, as the Nationals walked off against Will Harris, just up from the minors, on a home run by former D'Back Adam LaRoche.