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.

Oklahoma City Thunder center Isaiah Hartenstein popped up on the injury report for Thursday’s matchup against the Cleveland Cavs after the team announced the veteran has a left calf injury. Hartenstein suffered the injury in a 118-102 win against the Philadelphia 76ers and will be out for the foreseeable future.

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,