Purdy missed the 49ers' Week 12 contest versus the Green Bay Packers last Sunday with a right shoulder injury—a game San Francisco lost 38–10. The 25-year-old was limited in practice this week on Wednesday and Thursday, and was a full participant on Friday. He's officially listed as questionable for Sunday.

San Francisco 49ers quarterback Brock Purdy is expected to return to the field on Sunday against the Buffalo Bills after recovering from a shoulder

Missed the last seven snaps of the loss to Packers and was placed on concussion protocol upon the 49ers’ return home, Banks missed two games in 2022-23 because of injury after assuming the starting job. Banks was not on the field during the media window Friday.