Chet Holmgren has agreed on a five-year contract extension worth nearly $240 million to remain with the NBA champion Oklahoma City Thunder, a person with knowledge of the deal said Wednesday.The person spoke to The Associated Press on condition of anonymity because the signing has not yet been announced.

The Thunder are signing Chet Holmgren to a fully guaranteed five-year maximum rookie extension that could reach $250 million, according to ESPN.

Holmgren maintained that performance throughout the Thunder's postseason run. He averaged 15.2 points, 8.7 rebounds and 1.9 blocks per game in 23 playoff starts.