The New York Mets could be down another key bat in their lineup.

Ahead of their game against the Washington Nationals on Wednesday, manager Carlos Mendoza told reporters that Luis Robert Jr.'s back "didn't improve much" overnight. The outfielder will now undergo an MRI, with an IL stint on the table.

Luis Robert Jr. (back) "didn't improve much" overnight, per Carlos Mendoza. He's receiving an MRI today. The injured list is in play for him.

— Anthony DiComo (@AnthonyDiComo) April 29, 2026

This news about Robert comes after he was held out of the Mets' lineup last night due to back tightness and was considered day-to-day at the time. New York could now be without the 28-year-old for an unforeseen period of time.

When the Mets traded for Robert in the offseason from the Chicago White Sox, injuries were always going to be a concern.…