Williamson leads No. 1 Duke past Clemson 87-68 in ACC opener

Duke's Tre Jones dribbles the ball while Clemson's Marcquise Reed defends during the first half of an NCAA college basketball game in Durham, N.C., Saturday, Jan. 5, 2019. (AP Photo/Gerry Broome)

Clemson's Elijah Thomas (14) shoots while Duke's Cam Reddish (2) defends during the first half of an NCAA college basketball game in Durham, N.C., Saturday, Jan. 5, 2019. (AP Photo/Gerry Broome)

Duke's Marques Bolden (20) guards Clemson's John Newman III (15) during the first half of an NCAA college basketball game in Durham, N.C., Saturday, Jan. 5, 2019. (AP Photo/Gerry Broome)