Duke head coach Mike Krzyzewski argues a call during the first half of an NCAA basketball game against Wake Forest in Winston-Salem, N.C., Tuesday, Jan. 23, 2018. (AP Photo/Chuck Burton)
Duke Head Coach Mike Krzyzewski speaks with Grayson Allen (3) during the second half of an NCAA college basketball game against Pittsburgh in Durham, N.C., Saturday, Jan. 20, 2018. Duke defeated Pittsburgh 81-54. (AP Photo/Ben McKeown)
