Isaiah Hartenstein returns to Oklahoma City for offseason basketball training

Oklahoma City Thunder center Isaiah Hartenstein has returned to the team's practice facility to begin preparations for the 2026-27 NBA season. The 28-year-old posted a social media update on Monday, signaling his arrival as players across the league transition back to their home markets before training camp. Hartenstein enters the upcoming year under a three-year, $75 million contract extension secured this summer. He remains a key piece of the frontcourt alongside Chet Holmgren, following his role in the 2025 championship run. The Thunder are currently positioned as co-favorites with the San Antonio Spurs, maintaining a core that includes Shai Gilgeous-Alexander and Jalen Williams. With the regular season marathon approaching, the team is focusing on squad development and integrating personnel ahead of the opening games.

• 7:00 PMYahoo Sports — Isaiah Hartenstein returns to OKC for NBA offseason workout