Jaylen Brown, Celtics agree to five-year supermax extension After a brief shutdown of contract talks, Jaylen Brown and the Boston Celtics have finally come to a deal. Brown has agreed to sign a five-year, $304 million supermax contract extension with the Celtics, NBA insider Shams Charania of The Athletic was first to report Tuesday. It … Continue reading Jaylen Brown, Celtics agree to five-year supermax extension