Manager Matt Williams wouldn't say Tuesday who would DH against the Orioles in Baltimore, but had previously offered possibilities.
Nationals Manager Matt Williams didn't make a defensive substitution for Ryan Zimmerman with a narrow lead in the ninth, despite doing so in a similar situation earlier in the week.
Zimmerman has made all the needed throws -- on routine and tough plays this week -- in his return to third base.
With a play in the seventh, Zimmerman showed why he can still play third for the Nationals when needed this season.
Zimmerman found a happy home in left field, but now returns to third, unclear for how long, but with the team's interests in mind.
Zimmerman took grounders at his old position on Monday in preparation for a return there when Bryce Harper comes back.
Ryan Zimmerman's annual charity event at Nationals Park raised about $300,000 to fight multiple sclerosis.
The third baseman-turned-left fielder played first base for the first time in his career on Sunday, and did well.
Zimmerman, who switched to left field in his return from the DL, will make his first-ever start at first base. Also, Denard Span was scratched with a stiff back.
Hairston has three at-bats this month, his last on June 6. Zimmerman could spell Adam LaRoche at first.