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The third baseman, who missed Wednesday’s game with the flu, was out of the Nationals’ lineup again Thursday night.

Acta said Zimmerman saw a doctor and received a shot Thursday but still had problems swallowing.

He said Zimmerman should play at some point during this weekend’s series at Philadelphia.

Rotation pushed back

The Nationals moved their rotation back a day, meaning Collin Balester will pitch Friday in Philadelphia, to be followed by John Lannan and Odalis Perez.

Shairon Martis, who was scheduled to pitch Sunday against the Phillies, will be available out of the bullpen.