One of the biggest preseason delights for Chicago has been defensive end Austin Booker, who has four sacks already. After picking up his fourth sack of the preseason in this game against Buffalo, Booker met with the medical staff and then was later ruled out with a knee injury.

The Bills take on the Bears in preseason game No. 2. Stay right here for live updates all afternoon and evening.

Chicago shut out Buffalo 38-0 after New Orleans came back to tie Jacksonville 17-17 in Week 2 of the NFL preseason