Mets' three-game winning snapped with 5-4 walk-off loss to PiratesPeterson falters in ninth7/28/2018, 3:00 AMNew York Mets left fielder Michael Conforto touches home plate to score a run ahead of a tag attempt by Pittsburgh Pirates catcher Elias Diaz during the sixth inning at PNC Park. / Charles LeClaire/USA TODAY Sports