ESPN.com · Dec 30, 2025
Thunder's Isaiah Hartenstein sidelined again with calf injury
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OKLAHOMA CITY -- Oklahoma City Thunder center Isaiah Hartenstein will miss time after straining his left calf for the second time this season.
Hartenstein was ruled out of Monday's game against the Atlanta Hawks after exiting Sunday's win over the Philadelphia 76ers late in the third quarter.
The Thunder did not announce a timetable for Hartenstein's recovery. He missed six games after originally straining the soleus, a muscle in the lower calf, on Nov. 26, returning 17 days later.
Hartenstein has averaged 11.2 points and a team-high 10.4 rebounds for the defending champion Thunder, who have a league-best 27-5 record.