MLB: Washington 2, Chicago Cubs 1

Sept. 3, 2012 at 4:33 PM

WASHINGTON, Sept. 3 (UPI) -- Ross Detwiler fired seven innings of shutout ball and Adam LaRoche homered Monday in the Washington Nationals' 2-1 win over the Chicago Cubs.

Detwiler (9-6) handcuffed Chicago on four hits, allowing only one runner to reach third base while benefiting from a pair of inning-ending double plays.

The left-hander worked around three walks and struck out three for National League East-leading Washington, which took the opener of a four-game series.

Drew Storen tossed a scoreless eighth and Tyler Clippard earned his 30th save despite yielding a run on two hits in the ninth.

LaRoche popped a solo homer in the second inning, putting the Nats ahead to stay, while Ryan Zimmerman added an RBI double.

Cubs starter Jeff Samardjiza (8-13) took the hard-luck loss, surrendering just one run on seven hits over seven frames.

Wellington Castillo drove in Chicago's only run.

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