Williams (foot) has already been ruled out for Wednesday's game against Milwaukee and will also miss Chicago's back-to-back set Friday versus Atlanta and Saturday versus Memphis, K.C. Johnson of NBC Sports Chicago reports.
Vucevic had 14 points (6-15 FG, 2-7 3Pt), six rebounds, six assists, one block and three steals over 35 minutes during Wednesday's 122-106 loss to Milwaukee.