Hartenstein, who would've had a team option for next season, agreed to add three years and approximately $75 million to his contract.

On Friday night, ESPN’s Shams Charania reported massive news for the OKC Thunder: the team will be re-signing center Isaiah Hartenstein to a long-term deal. OKC

Hartenstein, who would've had a team option for next season, agreed to add three years and approximately $75 million to his contract.