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."

New York Mets right-hander Kodai Senga was placed on the injured list on Friday after he exited Thursday's win against the Washington Nationals in the sixth inning after straining

New York Mets right-hander Kodai Senga, the major league ERA leader, was diagnosed with a Grade 1 strain of his right hamstring, hours after he was placed on the 15-day injured list. Manager

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.

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.

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.