Desmond chased Chen with an RBI single in the fifth, and Espinosa homered with a runner on during a three-run eighth.
NOTES: Orioles C Matt Wieters, who had the day off after a night game, will have to wait until Monday to try to snap an 0-fror-18 slump. ... Tommy Hunter (2-2) takes the mound for Baltimore on Monday night in the opener of a three-game series against visiting Boston. ... Gio Gonzalez vies for his sixth win when the Nationals open a nine-game road trip Monday in Philadelphia. ... Avery got his first major league stolen base.
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