Watch J.D. Martinez hit a walkoff home run for the Mets
J.D. Martinez hits a two-run walk-off home run in the 9th inning, the first of his career, to give the Mets a 3-2 victory over the Marlins.
J.D. Martinez hits a two-run walk-off home run in the 9th inning, the first of his career, to give the Mets a 3-2 victory over the Marlins.
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