Chet Holmgren has been ruled out for at least eight to ten weeks following a pelvic fracture, and OKC's main offseason addition will now need to step up.

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.

Isaiah Hartenstein, Oklahoma City’s prized free agent center, sustained a small, non-displaced fracture in his left hand in Denver on Tuesday.