Celtics not backing down, hold off Heat in Game 3 Boston starts fast, then holds off late charge to beat Miami 101-91 for first win in East finals updated 11:20 p.m. BOSTON - Kevin Garnett had 24 points and 11 rebounds and Rajon Rondo scored 21 points with 10 assists to lead the Boston Celtics to a 101-91 victory over the Heat in Game 3 of the Eastern Conference finals on Friday night, cutting Miami's lead in the series to 2-1. Game 4 is Sunday night in Boston. LeBron James scored 34 points but the NBA MVP and the rest of the Heat went cold during a 7-minute stretch at the end of the first quarter and the beginning of the second, when Boston outscored them 15-0 to turn a six-point deficit into a nine-point lead. Paul Pierce scored 23 points for Boston. More to come at NBCSports.com.