Thunder prospect guard Nikola Topic revealed one thing about the NBA he's going to have to adapt to as a rookie.

The Thunder have locked up Shai Gilgeous-Alexander and Chet Holmgren so far this summer, Jalen Williams is up next.

Chet Holmgren has agreed on a five-year contract extension worth nearly $240 million to remain with the NBA champion Oklahoma City Thunder, according to a person with knowledge of the deal.

Kourtney Kellar Hartenstein, wife of NBA champ Isaiah Hartenstein, returns as a ring girl for the Taylor vs. Serrano fight.

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According to ESPN's Shams Charania, the Thunder signed star big man Chet Holmgren to a fully guaranteed five-year maximum rookie contract extension worth up to $250 million. Coupled with the four-year, $285 million contract extension given to MVP guard Shai Gilgeous-Alexander, Oklahoma City has now spent a whopping $535 million this summer.

The OKC Thunder earned a 90-81 win over the Brooklyn Nets in its first Las Vegas Summer League game on Thursday.

ESPN’s Shams Charania recently reported that Oklahoma City Thunder star Chet Holmgren has agreed to a fully guaranteed five-year maximum rookie contract extension, which could total up to $250 million.