Grant Williams is leaving the Boston Celtics for the Dallas Mavericks in a three-way trade involving the San Antonio Spurs, The Athletic's Shams Charania reports.
Per ESPN's Adrian Wojnarowski, Williams, a restricted free agent, agreed to a four-year, $53 million contract to facilitate the sign-and-trade deal. The Spurs will receive Reggie Bullock and an unprotected 2030 pick swap with Dallas in return. The Celtics will receive multiple second-round picks.
Williams, 24, has played his entire four-season NBA career with the Celtics since they selected him with the No.