Staley avoids long-term injury; 49ers not ready to add another QB

On Monday, about 45 seconds into Kyle Shanahan’s news conference, the session was interrupted by a loud automated voice that echoed through the auditorium at Levi’s Stadium.

"Please go to the nearest fire exit and leave the building," the voice instructed, just before an alarm began ringing. "Do not use elevators …"

Given the state of the 49ers, the two-minute interruption was fitting: Shanahan’s 1-3 team may not be facing an emergency situation, but a slew of injuries have them facing what he later termed a "real unusual roster situation."

However, the situation could be worse. The biggest injury news to come out of Shanahan’s briefing was that Pro Bowl left tackle Joe Staley did not sustain a long-term injury when quarterback C.J.