Isaiah Hartenstein couldn't believe how well his son slept in his arms following the Thunder's championship-clinching victory ...

Isaiah Hartenstein revealed that Thunder head coach Mark Daigneault has a unique way of motivating his players.

Isaiah Hartenstein got moved out of the Thunder's starting lineup in the NBA Finals. His response? Some of his best basketball of the season.

Gilgeous-Alexander led the NBA in scoring, was dominant enough on defense to earn a second-place Defensive Player of the Year vote and was the focal point of a 68-win team. The Thunder were clearly ...

As the Thunder celebrated being crowned the latest NBA champions, fans noticed how Hartenstein's son was knocked out asleep ...

OKC's star guard will be under contract through the 2030-31 season after agreeing to a reported supermax extension.

Alexander's first two NBA Finals games put him in elite company, as does his combined regular-season and playoff scoring.

Thunder vs. Pacers Same-Game Parlay: Can Isaiah Hartenstein, Shai Gilgeous-Alexander Carry OKC to NBA Title? The Oklahoma City Thunder are one win away from winning the NBA Championship for the first ...

The big splash that the Thunder made in free agency last offseason was signing Hartenstein away from the Knicks. He was coming off the best season of his career, averaging 7.8 points, 8.3 rebounds, ...

Shai Gilgeous-Alexander agreed to a four-year, $285 million contract extension with the Oklahoma City Thunder, per a report.

Shai Gilgeous-Alexander already feels like the best player in the NBA. ... And last summer, they acquired veterans Isaiah Hartenstein and Alex Caruso. ...

Shai Gilgeous-Alexander stays cool amid chaos, and the NBA Finals are even. The league MVP led Oklahoma City’s rally from a 10-point deficit in the second half, and the Thunder beat the Pacers ...