Williams has agreed to a five-year maximum rookie extension that could reach $287 million, according to ESPN. This OKC "big three" is now locked in with the Thunder for multiple years and could account for as much as $822 million on the payroll.

Oklahoma City Thunder guard Jalen Williams agrees to rookie max 5-year contract extension that could be worth $287 million.

This article was originally published on www.si.com/onsi/college/buzzer-beater as Oklahoma City Thunder Make Major Jalen Williams Move. The Oklahoma City Thunder have signed former Santa Clara star Jalen Williams to a five-year maximum rookie contract extension that could reach $287 million.