BOSTON — Jaylen Brown scored 27 points, Jayson Tatum added 26 and the Boston Celtics beat back another third-quarter onslaught by the Golden State Warriors in a 116-100 victory Wednesday night that gave them a 2-1 lead in the NBA Finals. Marcus Smart added 24 points and helped lead a defensive effort that held the Warriors to 11 points in the fourth quarter, Stephen Curry led Golden State with 31 points and six 3-pointers.