The Thunder and Isaiah Hartenstein have reportedly agreed on a 3-year contract.
The Thunder are reportedly retaining a key part of their championship core. ESPN’s Shams Charania reported Friday night that Oklahoma City has agreed to a three-year contract extension with center Isaiah Hartenstein.
The 28-year-old originally signed a 3-year deal with the Thunder for $87 million before the 2024-25 campaign, and the Thunder held a $28.5 million team option for the final year – the upcoming 2026-27 season.
His new deal, according to Charania, is for $75 million over three seasons, and binds him with the Thunder through 2028-29.
Hartenstein and his reps, Andrew Morrison and Aaron Mintz of CAA Sports, worked with the Thunder on an agreement that brings $75 million in new money over the next three years — plus a maximum 15% trade kicker and a unique mutual option that allows both parties to rework the… https://t.co/wXMijD3qcm
— Shams Charania (@ShamsCharania) June 27, 2026
The 7-foot center averaged 11.2 points per game in the Thunder’s championship season, and he averaged 9.2 points per game on 62.2% shooting this year.
The Thunder have dealt two other members of their bench already this offseason, sending Aaron Wiggins to the Hawks and Isaiah Joe to the Pistons.
Just in: Oklahoma City's Isaiah Hartenstein intends to sign a new three-year contract to return to the Thunder through 2028-29 that brings his total earnings with the franchise at five years and $134 million guaranteed, sources tell ESPN. A key signing in 2024 leading to the 2025… pic.twitter.com/i5mVUaFI15
— Shams Charania (@ShamsCharania) June 27, 2026
