Jaylen Brown’s camp and the Celtics are starting to make progress on a contract extension, sources tell @JaredWeissNBA.

The two sides are likely moving closer to an agreement over the coming week.https://t.co/R1KNOcNHZ1 pic.twitter.com/4YtTWNHQ6t

— The Athletic NBA (@TheAthleticNBA) July 10, 2023