Jeff McNeil, arms clasped behind his back, tossed his bat and shouted toward the New York Mets dugout, starting up the first base line as his go-ahead, two-run homer in the seventh inning off Luke Weaver sailed into the second deck at Citi Field.

NEW YORK — Jeff McNeil hit a go-ahead, two-run homer off Luke Weaver in the seventh inning, leading the New York Mets over the Yankees 6-5 on Friday in a Subway Series opener between teams that faded badly after strong starts.

The Mets look to extend their win streak to four in the second game of the Subway Series at 4:10 p.m. Saturday against the Yankees at Citi Field.