Brown's deal exceeds two-time MVP Nikola Jokic's $276 million extension with the Denver Nuggets, an increase based on the rise in the salary cap and league revenue. Brown, 26, took a physical Monday in Boston to solidify the deal.
The NBA's Board of Governors approved two rule changes that will go into effect next season — a second coach's challenge if the first is successful, and an in-game flopping penalty — during its annual meeting here during the league's Las Vegas Summer League.