Oklahoma City Thunder center Isaiah Hartenstein fractured a bone in his left hand and will be out for at least five to six weeks, the team announced Thursday.

However, this injury puts OKC in a precarious situation to start the season. Before the preseason began, the Thunder announced last year's back up center Jaylin Williams and small ball five Kenrich Williams were out for exhibition play with a hamstring and knee injury respectively.

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