Semien is out of the lineup for Sunday's game against the Nationals.
Semien will sit for the second time in four games as the Mets open up a spot at the keystone for Brett Baty in the series finale. Though the 35-year-old Semien is under contract through 2028, the Mets could nonetheless choose to give him more frequent off days down the stretch while he's struggled to a career-worst 209/.269/.354 batting line during his first season in Queens.