Nationals 7, Mets 1: Michael Taylor blasted a two-run homer in his major league debut and Doug Fister tossed seven shutout innings as visiting Washington routed New York in the opener of a three-game series.Ian Desmond, Bryce Harper and Anthony Rendon also homered for the Nationals, who moved five games ahead of second-place Atlanta in the National League East. Fister (12-3) allowed seven hits and no walks and improved to 7-1 with a 1.74 ERA over his last nine outings.Harper began the scoring with a two-run blast in the second off Rafael Montero (0-3), who yielded five runs - including three homers - over five frames in his first start since May 30. Asdrubal Cabrera went 3-for-5 for Washington, which won its ninth consecutive game at Citi Field while outscoring the Mets 67-18 during that stretch.Taylor singled in the second for his first career hit and capped a five-run sixth inning with a two-run shot off Carlos Torres. Rendon began the frame with a solo homer off Montero, who then walked Adam LaRoche and was pulled when Desmond followed with a two-run blast into the left-field seats.Daniel Murphy, David Wright and Wilmer Flores had two hits apiece for New York, which avoided the shutout when Murphy scored on Eric Campbell's sacrifice fly in the eighth. Murphy, who leads the National League with 149 hits, is 15-for-33 versus Washington this season.GAME NOTEBOOK: Washington CF Denard Span went 0-for-5 and saw his 14-game hitting streak come to an end and also failed to reach base safely for the first time in 37 games. … The game was delayed for 25 minutes due to rain in the top of the third inning. … Taylor started in place of Jayson Werth, who missed the game due to an inflamed right shoulder and is awaiting the results on an MRI.