The 76ers, who had won their last two games, were led by Elton Brand's 17 points and 14 rebounds and Jrue Holiday's 15 points and 12 assists.
Philadelphia froze up in the early going of the extra session, failing to score for nearly 4 minutes. But the Sixers nearly got to a second overtime period when Jodie Meeks' desperation 3-point try clanged off the rim as time expired.
Gal Gadot cast as Wonder Woman for 'Batman vs. Superman'
Exploding whale video goes viral on Internet