Boston led 27-23 going into the second and built it to 55-40 when Garnett drew two defenders to him under the basket and passed to Chris Wilcox for a dunk with 2:35 left.
Boston took its biggest lead of the half, 58-42 on two free throws by Pierce with 37 seconds to go.
Notes: The Celtics play at home Sunday for the sixth time in seven games when they meet the Denver Nuggets. ... The Lakers are 3-2 on their seven-game road trip, which continues Friday night in Charlotte and ends Sunday in Miami. ... Six Celtics scored in double figures, the fifth straight game in which they had at least five.
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