Updated

LeBron James scored 22 points, Ray Allen added 19 and the Miami Heat stayed perfect in this postseason by beating the Brooklyn Nets 107-86 on Tuesday night in Game 1 of an Eastern Conference semifinal series.

Chris Bosh scored 15 points, Dwyane Wade added 14 and Mario Chalmers had 12 for Miami, which was 0-4 against the Nets in the regular season.

A 24-9 run in the third quarter blew things open for the Heat, who hadn't played in eight days after sweeping Charlotte in the opening round.

Deron Williams and Joe Johnson scored 17 points each for the Nets, who got only eight from Paul Pierce and no points from Kevin Garnett in 16 minutes.

Game 2 of the best-of-seven is Thursday night.