The San Francisco 49ers have battled injuries to some of their best weapons this season, and that trend continued this week, with quarterback Brock Purdy nursing a shoulder issue ahead of Week 12. 49ers head coach Kyle Shanahan announced Friday that Brandon Allen will start in place of Purdy for Sunday's game against the Packers.

San Francisco 49ers quarterback Brock Purdy missed his first game of his career due to a shoulder injury, forcing Brandon Allen into the starting role

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.