The Nationals' immediate circumstances dictate that they at least consider an upgrade in the infield with Ryan Zimmerman sidelined.
With Ryan Zimmerman on the disabled list with a "pretty substantial" hamstring injury, the Nationals may consider trading for another infielder.
The third baseman is headed to the disabled list again, this time with a hamstring injury.
Ryan Zimmerman collapsed at first base after he appeared to pull a muscle in his right leg.
With no issues during his bullpen session Saturday, Jordan Zimmermann is still on track to start Tuesday in Colorado.
The right-hander said his right bicep feels better and expects to start on Tuesday.
The Nationals starter, who took a liner to the head in 2012, likes the progress made in protective cap research but won't don one yet.
The right-hander is resting his strained right bicep and could throw for the first time during Thursday's team workout.
Jordan Zimmermann will likely avoid the disabled list after an MRI revealed no structural damage to his right arm.
Jordan Zimmermann underwent an MRI exam Saturday morning, but the Nationals had not received results prior to their game.