Jaylen Brown scored 27 points and Jayson Tatum added 26 to propel the Boston Celtics to a 116-100 victory over the Golden State Warriors on Wednesday and a 2-1 lead in the NBA Finals.,Marcus Smart added 24 points for the Celtics, who led by as many as 18 in the first half at TD Garden.,They weathered another third-quarter surge from the Warriors, who briefly took a one-point lead only for the Celtics to pull away late for the convincing win.,Boston, seeking a record 18th NBA title, host game four of the best-of-seven series on Friday.,