Brad Bergesen gave up four runs on eight hits in 5 2/3 innings. (Pablo Martinez Monsivais/AP)
By Spencer Fordin / MLB.com
The Orioles had a sweep of the Battle of the Beltways within their grasp, thanks to Adam Jones' go-ahead homer in the top of the seventh. But the Nationals rallied in the bottom of the inning, and Adam Dunn's grand slam off Jamie Walker sent Baltimore to defeat.
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