Seneca Wallace has gone from starter to the shelf in the space of two days.
Brandt: In case of emergency ...
What to do in a genuine quarterback catastrophe? Gil Brandt explains what teams scrambling to fill holes at QB look for. **READ**
Some other Tuesday injury news from around the NFL:
Battista: 'Boys will be 'Boys
Same old story in Dallas: offseason hype followed by in-season disappointment. Judy Battista identifies the constant issue. **READ**
- San Francisco 49ers tight end Vernon Davis sustained a concussion in the 49ers against the Carolina Panthers on Sunday. Davis landed on his shoulder as well as the side of his head, but said he did not suffer any postgame symptoms. On Tuesday, Davis said he's "feeling great" and is waiting on the team doctors on how to proceed.