5:14 PM - Brandon Allen (SF) will replace Brock Purdy (shoulder) as the starting quarterback Sunday at Green Bay, Adam Schefter of ESPN reports.

4:24 PM - Brandon Allen (SF) Kyle Shanahan said Thursday that Allen will be San Francisco's backup quarterback behind Brock Purdy for Monday night's Week 1 game against the Jets, Eric Branch of the San Francisco Chronicle reports.

1:50 PM - Brandon Allen (SF) 49ers are set to re-sign Allen as a backup quarterback, Ian Rapoport of NFL Network reports.

5:31 PM - Brandon Allen (SF) (coach's decision) is inactive for Sunday's Super Bowl matchup against the Chiefs, but he will serve as the team's emergency quarterback, Nick Wagoner of ESPN.com reports.

3:16 PM - Brandon Allen (SF) (coach's decision) is inactive for Sunday's game against the Bengals, but he will operate as the team's emergency quarterback, Nick Wagoner of ESPN.com reports.

7:06 PM - Brandon Allen (SF) (coach's decision) is inactive for San Francisco's game against the Vikings on Monday, Matt Barrows of The Athletic reports.

7:09 PM - Brandon Allen (SF) (coach's decision) is inactive for Sunday's game versus the Cowboys but available as the 49ers' emergency third quarterback, Josh Dubow of The Associated Press reports.

2:40 PM - Brandon Allen (SF) (coach's decision) is inactive for Sunday's Week 2 game against the Rams.

12:01 PM - Brandon Allen (SF) (coach's decision) is inactive Sunday against the Steelers.