According to Matt Maiocco's blog, the 49ers are expected to sign one of two linebackers soon to replace T.J. Slaughter, who will be placed on IR. Both Hannibal Navies and Jay Foreman were brought in for workouts today.
The 49ers will likely sign either Hannibal Navies or Jay Foreman. Both players have played seven seasons in the league. Navies has played with the Panthers, Packers and Bengals, while Foreman has seen time with the Bills, Texans and Giants.