Isaiah Hartenstein has agreed a new three-year contract with the Oklahoma City Thunder worth $75 million, according to reports in the United States. The 28-year-old centre is set to remain with the NBA champions through the 2028-29 season after reaching terms on an extension that further strengthens Oklahoma Citys long-term core.The deal reportedly includes a 15% trade kicker and a mutual option that would allow both Hartenstein and the Thunder to revisit the agreement before its final year.Table of ContentsThunder rewarded after key signingInjuries fail to halt his impactPlay-off performer secures futureThunder rewarded after key signingHartenstein joined Oklahoma City as a free agent in the summer of 2024 and quickly established himself as an important part of the teams success.The German-American centre provided the physical presence and rebounding ability the Thunder had been seeking, helping balance a squad built around younger stars.Across his first two seasons with the franchise, Hartenstein averaged 10.3 points, 10.1 rebounds and 3.7 assists per game, becoming a regular starter in the frontcourt.The new contract means his guaranteed earnings with Oklahoma City will rise to $134 million across five seasons.Injuries fail to halt his impactAlthough injuries have disrupted parts of his time with the Thunder, Hartenstein has remained a significant contributor when available.A broken thumb delayed the start of his 2024-25 campaign, while a calf problem also limited his appearances last season.Despite those setbacks, he has played 104 regular-season games during his two years in Oklahoma City and continued to make an impact on both ends of the floor.His ability to rebound, defend and facilitate from the centre position has made him a valuable piece of the Thunders system.Play-off performer secures futureHartensteins importance was particularly evident during Oklahoma Citys recent play-off runs.He featured in all 38 postseason games across the past two years, starting 35 of them as the Thunder established themselves among the NBAs leading teams.During that stretch, he averaged 9.1 points, 8.3 rebounds and 2.6 assists per game, providing consistency in high-pressure situations.By securing Hartenstein on a long-term deal, Oklahoma City have ensured one of their key championship contributors remains part of the squad as they look to build on their recent success. Topics Isaiah Hartenstein Oklahoma City Thunder Add us as a preferred source on Google If you enjoy reading this article, you can help support our independent football journalism by adding 101 Great Goals as a preferred source You Should Also Read Wembanyamas trust in basketball gods pays off as Spurs force Game 7 Nicholas McGee 29th May, 2026 Spurs vs Thunder Game 5: SGA drops 32 points as OKC puts Wembanyama on brink of elimination Jon Fisher 27th May, 2026 NBA: San Antonio Spurs fight back to win Game 4 and level Western Conference Finals Mitch Fretton 25th May, 2026 NBA: Thunder bench takes over in Game 3 win at Spurs Mitch Fretton 23rd May, 2026 Wembanyama dominates MVP Gilgeous-Alexander as San Antonio lead OKC Jon Fisher 19th May, 2026 NBA: Gilgeous-Alexander named back-to-back MVP Mitch Fretton 18th May, 2026
