Pro Football Talk's Mike Florio is reporting that Smith has requested to be released from the 49ers before the start of free agency on March 12, something the 49ers will be discussing quite heavily post-Super Bowl.
At this point, a trade seems like a longshot for the 49ers. The entire NFL knows that Smith is expendable at this point, and the 49ers must get rid of him before his $7.5 million bonus kicks in on April 1.
The 49ers now have two options:
-Release him and thank him for being a good teammate, despite losing his starting job due to a concussion.
A trade would realistically only come into play if a team that desperately needs a starting quarterback cannot compete money-wise in free agency with other needy teams. If so, the 49ers could get anywhere from a first to third round pick for the former starter, setting them up for an even brighter future than they already have.
Again, teams know the 49ers have to get rid of him, it's just a matter of when and how.