The Washington Nationals have activated Ryan Zimmerman off the disabled list for Friday's game against the Pittsburgh Pirates.
Washington optioned fellow third baseman Anthony Rendon to Double-A Harrisburg.
Zimmerman has been sidelined since April 19 with a left hamstring strain.
Rendon, 22, hit .240 (6-for-25) with one RBI in eight games with the Nationals after making his Major League debut on April 21.