Jordan Zimmermann attributed his lack of command to his long layoff, not his biceps strain.
Ryan Zimmerman collapsed at first base after he appeared to pull a muscle in his right leg.
The Nats will try to seal a series win as Jordan Zimmermann returns to the rotation.
Mired in a slump, Adam LaRoche appears ticketed for a day off Wednesday.
Bryce Harper returns to the lineup and Jordan Zimmermann makes his first start since his bicep strain.
The Nationals' bullpen has been one of their biggest strengths this season, but they still could add another reliever.
It had been almost a month since Danny Espinosa recorded a hit, but he blasted two extra-base hits Monday.
The Nationals have boosted their offense by becoming one of the best base running teams.
In a meeting of the best and worst records in the National League, the Nationals begin a series with the Rockies.
Bryce Harper wants to play, but says he's "totally fine" with Matt Williams sitting him against a left-handed starter.