The defensive anchor who helped OKC win the 2025 title is staying put, and the structure of his deal explains a lot about the Thunder's tax crunch.

Oklahoma City has agreed to a three-year, $75 million extension with center Isaiah Hartenstein, keeping him in Thunder blue through the 2028-29 season.

Hartenstein's return leaves just a few more moves for Oklahoma City to make this summer ...

NBA deal grade: Isaiah Hartenstein's contract extension with Oklahoma City Thunder.

The latest on Thunder starting center Isaiah Hartenstein's future ahead of free agency, according to one NBA insider.

The Oklahoma City Thunder have inked Isaiah Hartenstein to a long term pact. Let's grade this Transaction.

Los Angeles' search for a starting center is becoming increasingly desperate after another major target slipped away.

The OKC Thunder and center Isaiah Hartenstein reportedly agreed to a three-year, $75 million contract extension on Friday.

OKLAHOMA CITY — Isaiah Hartenstein was right. There was another level of playmaking that he didn’t get to show in New York. For much of his two seasons with the Knicks, the center was pigeonholed to ...

The Oklahoma City Thunder are the best team in the NBA so far. The reigning champions are on a 10-game winning streak and have only lost once so far, boasting an 18-1 record. OKC returns to action ...

Oklahoma City Thunder player Isaiah Hartenstein's dad was a professional basketball player himself Nasha Smith is a contributing writer at PEOPLE. She has been working at PEOPLE since 2022. Her words ...

OKC's physical big man plays his part in Game 2 against Victor Wembanyama perfectly as the Thunder forge a 1-1 series tie. Jeff Zillgitt OKC’s Isaiah Hartenstein was a constant presence around San ...