Reed Johnson and Ryan Theriot score on Derrek Lee's double. (Pablo Martinez Monsivais/AP)
By Carrie Muskat / MLB.com
Derrek Lee drove in three runs, good for 21 RBIs on the season, and Carlos Zambrano blanked the Nationals on five hits over seven to help snap a two-game losing streak. Mark DeRosa and Aramis Ramirez added two RBIs apiece and were among six Cubs to record at least two hits.
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