Thunder sign Hartenstein to three-year $75M deal

The Oklahoma City Thunder have secured center Isaiah Hartenstein on a new three-year, $75 million contract, ensuring a key piece of their championship core remains with the franchise. The deal, first reported on Friday, June 26, 2026, includes a 15 percent trade kicker and a rare mutual option that allows both the player and team to renegotiate before the contract's final season, which runs through 2028-29.

Hartenstein, 28, was initially signed by Oklahoma City as a free agent in July 2024 on a three-year, $87 million deal that included a team option for the 2026-27 season. The Thunder declined that $28.5 million option to facilitate this new, longer-term agreement. Over five total seasons with the Thunder, his guaranteed earnings will now total $134 million.

A vital contributor to the Thunder's NBA championship run in the 2024-25 season, Hartenstein has started 99 of his 104 regular-season games with the team, averaging 10.3 points, 10.1 rebounds, and 3.7 assists. His size and defensive presence addressed a previous roster need, often pairing with Chet Holmgren in the frontcourt. Last season, Hartenstein's production saw a slight dip to averages of 9.2 points and 9.4 rebounds,...