Nationals manager Matt Williams said after Friday's game that Jordan Zimmermann was removed with a right bicep cramp.
Jordan Zimmermann was removed from Friday's start against the Phillies with an apparent injury.
Jordan Zimmermann held the Cubs scoreless over six innings but settled for a no-decision on Sunday.
Jordan Zimmermann pitched six innings of two-run ball Monday as the Nationals beat the Rockies 7-3.
Jordan Zimmermann struck out nine Brewers while allowing two runs over six innings in a no-decision on Tuesday.
Jordan Zimmermann pitched well but took the loss, allowing two runs over seven innings on Thursday as the Nationals were defeated 3-0 by the Braves.
Jordan Zimmermann tossed eight innings of one-run ball in a complete-game loss against the Cardinals on Friday.
Jordan Zimmermann struck out 12 Padres hitters in a two-hit, 6-0 shutout on Sunday.
Jordan Zimmermann picked up his fourth win of the season, holding the Phillies scoreless over eight innings on Tuesday.
Jordan Zimmerman earned the no-decision, allowing four runs in five innings in Wednesday's 10-inning loss to the Marlins.
Jordan Zimmermann took the loss Friday after allowing four runs in six innings against the Pirates.
Jordan Zimmerman improved to 3-1, allowing three runs over six innings in Sunday's win over the Mets.
Jordan Zimmermann didn't have his good stuff on Monday, coughing up five runs on 10 hits over 5 2/3 innings in a no-decision against Arizona.
Jordan Zimmermann pitched four scoreless innings Monday against the Dodgers before a rain delay brought his evening to an end.