Isaiah Hartenstein missed the first month with a fractured hand — and now will miss at least a week with a calf strain. The Thunder are back to their small-ball era. The gap between Holmgren's injury and Hartenstein's return lasted over a week in Nov.

Oklahoma City Thunder center Isaiah Hartenstein is out at least a week with a calf issue and will be re-evaluated after that.

Thunder center Isaiah Hartenstein suffered a left calf strain Tuesday night against the 76ers and will be re-evaluated in about one week.

Isaiah Hartenstein demonstrated what the role could be at its peak. The job as the Knicks’ backup center — at the time occupying the spot behind an injury-prone Mitchell Robinson on the depth chart — could serve as a launchpad to an $87 million deal in free agency. To pricing out of the Knicks’ maximum offer due to the early Bird rights.

The Cavs snapped Oklahoma City’s franchise-record 15-game win streak at Rocket Mortgage FieldHouse. The Thunder will look to avenge that loss without Hartenstein and Chet Holmgren, who’s missed the past 29 games due to a pelvic fracture.

The Thunder announced Wednesday that Hartenstein sustained a left soleus strain in Tuesday's 118-102 win over the 76ers and will be re-evaluated in one week, Tim Bontemps of ESPN.com reports.

The Oklahoma City Thunder have received some positive news surrounding Chet Holmgren's injury. When might he return?

Oklahoma City Thunder center Isaiah Hartenstein will be re-evaluated in approximately one week after he suffered a left soleus strain against the Philadelphia 76ers Tuesday night,

With an opportunity to defeat his former team, Thunder center Isaiah Hartenstein provided the keys to beat the Knicks twice in one week. Coming off a 129-122 loss to the league-leading Cavs, the Thunder saw their epic 15-game win streak end. Hartenstein spoke to reporters during the team shootaround.

The Thunder (34-7) look to return to wins. With Shai Gilgeous-Alexander, Chet Holmgren and Isaiah Hartenstein out, they lost to the Luka-less Dallas Mavericks on Friday. Jalen Williams struggled with 19 points on 7-of-22 shooting.

Thunder forward Chet Holmgren is expected to be sidelined until early February, at the earliest, as he recovers from a hip fracture.

Shai Gilgeous-Alexander is having a remarkable season and truly showing why he is one of the best players in the league and why OKC is a strong contender for the title.