Brock Purdy threw a 38-yard touchdown pass to Jauan Jennings with 2:15 left, and the San Francisco 49ers forced an incomplete pass on the final play from the 2 to beat the Chicago Bears 42-38 on Sunday night and set up a Week 18 showdown for the top seed in the NFC.
Caleb Williams drove the Bears (11-5) down the field in the closing seconds and had one last shot for the win. But Bryce Huff forced him out of the pocket and his throw short-hopped Jahdae Walker in the end zone to seal a sixth straight victory for the 49ers (12-4).
That gave the 49ers a chance to win the NFC West and get a bye by beating Seattle (13-3) in the season finale on Saturday night. A win would give San Francisco home-field advantage and a chance to stay home all postseason, with the Super Bowl set to be played at Levi's Stadium on Feb. 8.