The Rangers transferred Seager (hernia) to the 60-day injured list Friday.
Seager was diagnosed with a sports hernia and will have season-ending surgery Friday, Jeff Wilson of AllDLLS.com reports.
The Rangers placed Seager on the 10-day injured list Wednesday with hip discomfort, Evan Grant of the Dallas Morning News reports.
Seager is out of the lineup for Tuesday's game against the Yankees.
Seager is out of the lineup for Friday's game against the Athletics.
Seager went 1-for-4 with a solo home run in Thursday's 2-1 win against the White Sox.
Seager went 1-for-4 with a solo home run in Sunday's 4-2 loss to the Guardians.
Seager went 2-for-4 with a walk and two RBI in Friday's 5-3 win over Cleveland.
Seager is not in the lineup for Thursday's game against the Twins.
Seager went 2-for-5 with a three-run home run in the second game of Saturday's doubleheader against the Yankees.