The Dallas Mavericks started the 2002-03 season with a 14 consecutive victories before losing, tying the 1957-58 Celtics for the second-best start in NBA history.

MOST WINS WITHOUT A LOSS TO START SEASON
SEASON
TEAM
RECORD
1948-49 Washington Capitols 15-0
1993-94 Houston Rockets 15-0
1957-58 Boston Celtics 14-0
2002-03 Dallas Mavericks 14-0
1982-83 Seattle SuperSonics 12-0
1996-97 Chicago Bulls 12-0
1964-65 Boston Celtics 11-0
1990-91 Portland Trail Blazers 11-0
1997-98 Atlanta Hawks 11-0
1997-98 Los Angeles Lakers 11-0
1972-73 Boston Celtics 10-0
1993-94 Seattle SuperSonics 10-0
2000-01 Philadelphia 76ers 10-0