Adam Schefter reports that 49ers quarterback Brock Purdy is expected to play against the Bills next Sunday night, despite previous uncertainty regarding his shoulder injury. The situation remains fluid, as the team is still assessing Purdy's recovery and readiness to return to the field. Updates will be provided as the week progresses.

• Brock Purdy's shoulder injury status is uncertain but shows signs of improvement.
• The 49ers are cautiously optimistic but remain unsure about Purdy's readiness.