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

The OKC Thunder will be without Isaiah Hartenstein in Thursday's matchup with the Cleveland Cavaliers, the team announced. He will be re-evaluated in approximately one week.

But with Hartenstein, the Knicks were limited to offering a max of four years, $72.5 million. The Thunder gave up three years, $87 million. The reason for New York’s restrictions was it originally signed Hartenstein to a two-year deal, so operated with only his partial Bird Rights. Oklahoma City signed him using straight cap space.

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

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.