Kirk Hinrich scored 26 points, Chris Duhon added 20 and the Chicago Bulls emphatically spoiled Miami's celebratory mood, beating the defending NBA champion Heat 108-66 in Tuesday night's season opener.

"Welcome back to reality," Heat coach Pat Riley said. "Obviously it was absolutely one-sided. There isn't really much to say, other than we do know and there has been a gauge put on how much work we have to do."

It was -- by far -- the worst loss in NBA history for a defending champion on opening night; the previous low was the Los Angeles Lakers' 132-117 defeat to Golden State on Oct. 29, 1982. The Lakers went on that season to win 58 games and return to the NBA finals under Riley.