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

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