Brandon Nimmo hit the tie-breaking homer in the third inning and finished with three RBIs Thursday night for the red-hot New York Mets, who beat the visiting Philadelphia Phillies 10-6 in the opener of a four-game series between the National League East rivals.Mark Vientos and Pete Alonso hit back-to-back homers in the first inning and Francisco Alvarez hit a three-run shot in the fourth for the Mets (85-68), who scored at least 10 runs for a third straight game for the first time in franchise history. New York routed the Washington Nationals 10-1 on Tuesday night before earning a 10-0 win Wednesday night.Vientos had two RBIs while Luisangel Acuna laced a run-scoring triple in the seventh as the Mets remained tied with the Arizona Diamondbacks for the last two NL wild-card spots. The two teams are two games ahead of the Atlanta Braves.Jose Iglesias and Harrison Bader had two hits apiece.Trea Turner briefly tied the game by hitting a two-run homer in the top of the third while Bryce Harper had a two-run double for the NL East-leading Phillies (91-62), who missed a chance to clinch a playoff berth. Brandon Marsh and Kyle Schwarber had an RBI apiece.