Injuries will leave quarterback Brock Purdy on the sideline with veteran signal caller Brandon Allen slated to start in his stead. While Allen’s start will make an already tough game more difficult for the 49ers, it could facilitate some offensive innovation from a group that was starting to get stagnant on that side of the ball.

Allen became a 49er on May 8, 2023, signing as a free agent. The 49ers, who up to that point seldom kept a third quarterback on the 53-man roster, kept Allen as a No. 3 all season behind Purdy and Sam Darnold after the previous year’s injuries to Trey Lance, Jimmy Garoppolo, and finally Purdy in the NFC Championship Game. Allen did not take a snap.

The Green Bay Packers defense won't have to face quarterback Brock Purdy when the injury-depleted San Francisco 49ers come to Lambeau Field for the Week 12 showdown Sunday. Purdy suffered a shoulder injury in the 49ers' game last week and is among multiple players on the team's injury report.