Hartenstein signed a three-year, $87 million contract (with a team option in Year 3) with the Thunder in July. It was one of the most significant signings of the summer -- he was

OKLAHOMA CITY — Oklahoma City Thunder center Isaiah Hartenstein will miss at least a month after sustaining a small, non-displaced fracture in his left hand during a preseason game in Denver. The Thunder said Thursday that Hartenstein, who was hurt in Tuesday’s game, will be re-evaluated in five to six weeks.

Oklahoma City Thunder center Isaiah Hartenstein will be sidelined for five to six weeks with a "small, non-displaced" left hand fracture, ESPN's