Thunder Earn Solid Free Agency Grade After Championship Season originally appeared on Athlon Sports. The Oklahoma City Thunder have had a quiet offseason thus far as they continue to celebrate their championship. Of course, the Thunder were the best team in the NBA last season as they finished with the best record during the regular season.

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.