NBA champion Oklahoma City Thunder have agreed to 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.

Oklahoma City Thunder guard/forward and NBA champion Jalen Williams has agreed to a five-year maximum rookie contract extension that could potentially reach $287 million, ESPN confirms through WME Basketball agents Bill Duffy and Justin Haynes.

Williams can receive the maximum amount of money if he reaches certain escalators, such as making another All-NBA team or winning MVP, through the Derrick Rose Rule