Brock Purdy is still recovering from a shoulder injury that has sidelined him for a game, limiting his participation in practice for the San Francisco 49ers. He managed only one short pass during an open session, while continuing to perform handoffs.

Other key players like Trent Williams and Nick Bosa are also dealing with injuries, impacting the team's preparations for their upcoming game against Buffalo. Christian McCaffrey is back on the field but struggling to regain his peak performance after a lengthy absence.