Alvarez stayed in the game after his double in the seventh inning. He did not come out to catch in the eighth inning of the Mets’ 7-3 win over the Mariners in the MLB Little League Classic. Mets manager Carlos Mendoza said Alvarez would return to New York for an MRI. “Right now, we don’t know what we’re dealing with,” Mendoza said.

Mark Vientos hits a three-run homer, leading the New York Mets to a 7-3 victory over the Seattle Mariners in the Little League Classic on Sunday night.