Clemson scored just 10 points in the first half, its lowest output in 12 years, as No. 1 Duke ran away to a 68-40 victory over the Tigers on Tuesday at Cameron Indoor Stadium. Duke improved to 15-0 with the win, 2-0 in the ACC. Clemson fell to 8-6 overall, 0-2 to start league play. The 28-point margin was Clemson’s worst defeat of the season. Clemson struggled offensively, posting its lowest point total since a 38-point outing at Miami in 2005-06 when Oliver Purnell was Clemson’s coach. The Tigers were 1-for-11 from three-point range, connecting on its 10th attempt with just over two minutes remaining. Clemson shot just 28.3 percent for the game.