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.

The Oklahoma City Thunder have announced that Isaiah Hartenstein suffered an injury against the Philadelphia 76ers and will be re-evaluated in one week. The Thunder will have a tough time navigating this stretch without the big man.

Thunder center Isaiah Hartenstein will be reevaluated in approximately one week after suffering a left soleus strain.

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.

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

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.

Although the Thunder have experience in using their small ball lineup, this matchup may prove to be a bit more difficult.