Through three preseason appearances, the Thunder inserted Hartenstein into its lineup as both a starter and a reserve. Hartenstein, a skilled bruiser who was meant to aid in OKC’s rebounding and playmaking efforts,

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 Thunder center Isaiah Hartenstein suffered a small, nondisplaced fracture in his left hand and will be reevaluated in five to six weeks, the team announced.