Miami and Chicago each improved to an NBA-best 6-1 with lopsided victories Wednesday while the Washington Wizards remained the NBA's only winless club by being routed at Orlando. LeBron James scored 33 points, passed out 13 assists and grabbed eight rebounds to spark host Miami over Indiana 118-83. Chris Bosh added 22 points while Dwyane Wade did not play, sitting out with a bruised left foot. Roy Hibbert led the Pacers with 16 points and 12 rebounds. The Heat stayed one game atop the Southeast division ahead of Orlando, which improved to 5-2 by ripping Washington 103-85, knocking the Wizards to 0-6, the worst start in franchise history. Dwight Howard scored 28 points and pulled down 20 rebounds to power the Magic to victory while Ryan Anderson added 23 points and 15 rebounds. Hedo Turkoglu and JJ Redick each added 14 points for Orlando. Nick Young paced the visiting Wizards with 17 points. At Detroit, Chicago's Carlos Boozer scored 19 points and Derrick Rose contributed 17 points and 10 assists in the Bulls' 99-83 victory over the Pistons. At 6-1, the Bulls moved 1 1/2 games ahead of Indiana atop the Central division. Joakim Noah added 13 points and 11 rebounds for the Bulls while Detroit was led by Greg Monroe's 19 points and 13 rebounds. In Dallas, Dirk Nowitzki scored 20 points in his 1,000th NBA game to lead the Dallas Mavericks to a 98-89 victory over the Phoenix Suns. Jason Terry contributed 18 points, including nine in the fourth quarter, to help the defending NBA champs (3-4) string together consecutive wins for the first time this season. Lamar Odom added 15 points in his best game since joining the Mavericks in a trade with the Los Angeles Lakers on Dec. 11. Steve Nash had 15 points and 12 assists for the Suns (2-4), while Marcin Gortat had 22 points and 10 rebounds. The Mavericks lost their first three games while trying to introduce five new faces into the lineup after the departures of five key players. Nowitzki is the team's career leader in most categories, including points. He already had the record for games played and was appearing in his 975th game as a starter. Other results: Raptors 92, Cavaliers 77; Spurs 101, Warriors 95; Nuggets 110, Kings 83; Grizzlies 90, Timberwolves 86; 76ers 101, Hornets 93; Celtics 89, Nets 70; Bobcats 118, Knicks 110; Clippers 117, Rockets 89.