The Bears stopped Tom Brady on Tampa Bay's final drive to hold on and beat the Buccaneers 20-19 at Soldier Field.
Cairo Santo's 38-yard field goal with 1:13 left was the difference as Chicago improved to 4-and-1.
Nick Foles was 30-of-42 for 243 yards, a touchdown and an interception for the Bears, who trailed 13-0 early.
Brady finished 25-of-41 for 253 yards and a TD for the Bucs, who slipped to 3-and-2.
Ronald Jones the Second racked up 106 rushing on 17 carries in the loss.
Ryan Succop's fourth field goal of the night had given Tampa Bay a 19-17 lead with 4:49 to play.
(Photo by Jonathan Daniel/Getty Images)