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Houston, TX (Sports Network) - Danny Espinosa's RBI single in the top of the 12th inning and a game-saving grab by Roger Bernadina in the bottom half was the difference as Washington claimed a 3-2 win over Houston in the second edition of a four-game set.

Espinosa drove in Michael Morse -- who extended his hit streak to a career- best 16 games -- to give the visitors the lead, then Bernadina crashed into the padding along the wall in left center to rob Brett Wallace of a potential game-winning extra-base hit.

That catch made a winner of Drew Storen (1-0) who recorded the final two outs in the 11th, and assured Tyler Clippard of his 23rd save.

Espinosa added a two-run homer for the Nationals, who have won the first two in the series and six of seven overall.