According to manager Carlos Mendoza, Senga said he felt his hamstring grab one stride before he made a leaping grab of Alonso’s high throw.

"Kodai Senga is injured," MLB .com's Anthony DiComo reported. "He took a fall at first base attempting to beat a runner to the bag, and he spent a long time down on the ground surrounded by coaches and trainers."

The Mets are aiming for their sixth straight win in their series finale against the Nationals at 1:10 p.m. Thursday at Citi Field.

The New York Mets placed right-hander Kodai Senga on the injured list Friday after he exited Thursday’s win over the Washington Nationals with a strained hamstring. Senga sustained the injury while covering first base on a CJ Abrams groundout,

It was a travel day Thursday for the Rays while the Mets were in action completing a series sweep of the Washington Nationals. Jeff McNeil went yard for the seventh time this season to pace the attack against the Nats. The Mets are now 27-7 at Citi Field.

Senga's absence, no matter how long it'll be, will be a blow to the Mets' dominant pitching rotation, but reinforcements are already on the way.

The New York Mets maintained the best record in the major leagues with a Thursday win over the Washington Nationals.

Nationals drop their fifth straight, 4-3, after late rally falls short. They’re 2-8 since the calendar flipped to June.

After winning the opener, the Mets will look to grab the series against the Nationals at 7:10 p.m. on Wednesday at Citi Field.

Chad Whitson snapped at Carlos Mendoza during an argument between the two over a called ball in the ninth inning.