The injury occurred Friday when Kessinger grounded into a force play. Manager Carlos Mendoza noted surgery remains a possibility.
The 28-year-old signed a minor league contract with the Mets last month after a 0-for-21 stint with the Astros in 2024.
New York Mets reserve infielder Grae Kessinger is expected to miss at least 8 to 12 weeks with a left hamstring injury sustained during spring training.
The injury occurred Friday when Kessinger grounded into a force play. Manager Carlos Mendoza noted surgery remains a possibility.
The 28-year-old signed a minor league contract with the Mets last month after a 0-for-21 stint with the Astros in 2024.