Kodai Senga’s health, an open question for most of the past 16 months, has again fallen into the realm of uncertainty. Senga strained his right hamstring Thursday fielding an errant throw from Pete Alonso in the Mets’ 4-3 win over the Nationals.

New York Mets right-hander Kodai Senga, the major league ERA leader, was diagnosed with a Grade 1 strain of his right hamstring Friday, hours after he was placed on the 15-day injured list. Manager Carlos Mendoza said after the Mets' 7-5 loss to the Tampa Bay Rays that Senga will be shut down for two weeks before being

The scary moment occurred in the sixth, when Pete Alonso fielded a grounder hit by CJ Abrams and threw the ball high to first. Senga snagged the errant throw and recorded the out, but landed hard on first base and immediately fell to the ground. He walked off under his own power, but it was clear he was in a bit of pain heading off the field. .