According to Alex Flanagan of the NFL Network, the Ravens will be without its top interior defensive lineman Brandon Williams this week.
Ravens DT Brandon Williams didn't make the trip to London after a foot injury kept him from practicing. RB Terrance Williams did.
— Alex Flanagan (@Alex_Flanagan) September 22, 2017
As noted by Flanagan, Williams is dealing with a foot injury. The injury was suffered in Week 2 against the Browns, and it has kept Williams out of practice all week.