Francisco Lindor turned on an inside cutter from Ryan Fernandez leading off the ninth inning and sent the ball soaring into Citi Field’s second deck in right field, 401 feet away.

After the St. Louis Cardinals tied the score at 4-4 in the top of the ninth inning, Lindor stepped up to the plate as the first Mets hitter in the bottom of the frame. He made sure no one was going to hit behind him, as he hit a monster walk-off home run off of Cardinals reliever Ryan Fernandez.

Mark Vientos hit his first homer of the season to spark a four-run second inning, and the New York Mets beat the St. Louis Cardinals 4-1 on Thursday night in the opener of a four-game series. Brett Baty and Francisco Lindor had RBI singles in the second,