The NBA champion Oklahoma City Thunder have agreed a five-year contract extension worth up to $287 million with 24-year-old All-Star forward Jalen Williams, ESPN reported Thursday.ESPN cited Williams's agents in reporting the extension of Williams's rookie contract -- which makes the 24-year-old the latest key piece of Oklahoma City's title run to commit to the Thunder long-term.

The Oklahoma City Thunder and forward Jalen Williams have agreed to a five-year max extension worth as much as $287 million, according to ESPN's Shams Charania.

Thunder star Jalen Williams becomes the third player on Oklahoma City to receive a massive extension after winning the 2025 NBA Finals.