LeBron James scored 30 points as Cleveland scored Boston . Cavaliers beat buffalo 99 - 91 to extend their lead in overtime to 2 - 0 . Washington Wizards beat Toronto Raptors 111 - 106 in overtime . Houston Rockets take 2 - 0 lead over the Mavericks with 111 - 111 win .
LeBron James scores 30 points as Cleveland beat Boston . Cavaliers beat Celtics 99-91 to extend their lead in series to 2-0 . Washington Wizards beat Toronto Raptors 117-106 in Canada . Houston Rockets take 2-0 lead over Dallas Mavericks with 111-99 win .