The Niners are going to release former Texans and backup QB David Carr. The following tweet from Matt Maiocco just moments ago about the deal to release Carr and what it will mean.

Source tells CSN Bay Area that 49ers will release QB David Carr on Thurs at 1 pm. Carr was scheduled to take up $2.375 million in cap room.

San Fran inked QB Alex Smith to a one-year deal that will likely keep him as the starting QB in 2011.