The Chicago Bears secured a dominant 33-6 preseason victory over the Buffalo Bills, showcasing rookie quarterback Caleb Williams in his debut. Williams completed four of seven passes for 95 yards and led two scoring drives that resulted in field goals. The Bears' defense also shined, highlighted by linebacker Micah Baskerville's 53-yard interception return for a touchdown. Velus Jones added a rushing touchdown, while the Bills struggled offensively, managing only 200 yards and two trips across midfield. Starting quarterback Josh Allen had limited action, going 2 for 3 for 22 yards before being replaced by Mitch Trubisky. Defensive tackle Ed Oliver left the game with a leg injury, but updates on his condition were not provided.