The Boston Celtics defeated the Dallas Mavericks, 106-99, in Sport 3 of the NBA Finals to take a 3-0 collection lead. The Mavericks mounted a fourth quarter comeback as they trailed by 21 factors (91-70) on the 10:21 mark of the fourth quarter to make it a 93-92 sport with 3:37 to go. Boston held off regardless of being outscored 29-21 within the remaining quarter.