Kodai Senga’s early injury timeline revealed as Mets struggle without ace

Mets ace Kodai Senga will be out for some time due to the hamstring injury he suffered last week while trying to cover first base. 

Senga is now expected to miss at least five weeks after suffering the Grade 1 (low grade) hamstring strain in the Mets’ 4-3 win over the Nationals on Thursday, The Post’s Jon Heyman reported. 

That would mean that Senga, the National League’s ERA leader, would not be available until sometime just before MLB’s All-Star break in mid-July. 

Mets manager Carlos Mendoza told reporters on Friday after the Mets fell to the Rays that the team had gotten some “good news” regarding Senga and the severity of the injury, before revealing it was a Grade 1 strain. 


Kodai Senga injures his hamstring during the Mets-Nationals game on June 12, 2025.
Kodai Senga injures his hamstring during the Mets-Nationals game on June 12, 2025. JASON SZENES/NY POST

Senga suffered the injury while covering first base, as he had to extend to try and reach a throw by Pete Alonso. 

CJ Abrams hit a ball right to Alonso at first and Senga came off the mound to cover the bag, which went from a seemingly innocent play to a blow to the Mets’ pitching staff. 

The throw was a bit high and Senga was forced to leap for the ball and came down awkwardly on the bag, immediately crumpling in pain. 


Kodai Senga injures his hamstring during the Mets-Nationals game on June 12, 2025.
Kodai Senga injures his hamstring during the Mets-Nationals game on June 12, 2025. JASON SZENES/NY POST

Alonso said following that game that he felt “awful” about what had happened, even though Mendoza told him Senga said he felt something in his hamstring before the throw. 

“I still feel awful because, for me, just trying to make a baseball play. Just trying to make a play for my pitcher,” Alonso said after the win. “I tried to make the best throw I could. It just sucks. I mean, sucks to be involved in that. Senga, he’s one of our guys here and it sucks. You hate to see anyone go down. And yeah, it sucks being a part of that. … I wish it wouldn’t have turned out like that.”

The Mets were swept by the Rays over the weekend thanks to a 9-0 loss on Sunday in which starter Griffin Canning struggle.

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