NBA: Celtics defeat Mavericks despite Cooper Flagg’s latest record

DALLAS — Jaylen Brown had 33 points and 11 rebounds, and the Boston Celtics beat Dallas 110-100 on Tuesday night, overcoming another stellar showing from Cooper Flagg and handing the Mavericks their season-worst fifth consecutive loss. Flagg scored 36 points in the rookie No. 1 pick’s first meeting with the team he grew up watching