Dolphins signed LB Derek Smith and waived WR Chris Hannon.
Chargers released LB Derek Smith.
Derek Smith has a "strong chance" to start at inside linebacker for the Chargers' first four regular season games.
Chargers signed LB Derek Smith, formerly of the 49ers, to a two-year contract.
49ers waived LB Derek Smith.
The 49ers met with the agent for ILB Derek Smith this week.
49ers ILB Derek Smith may not be back with the team in 2008.
49ers ILB Derek Smith has begun losing snaps to Jeff Ulbrich.
49ers head coach Mike Nolan says the team's starting weak inside linebacker position is "Derek (Smith's) job to lose."
Derek Smith is being pushed by first-round pick Patrick Willis to be the 49ers' weak inside linebacker.
49ers inside linebacker Derek Smith (eye surgery) is expected to begin participating in live drills in May.
49ers inside linebacker Derek Smith underwent surgery to repair a muscle in his right eye Monday night.
Derek Smith is inactive for San Francisco Sunday.
49ers MLB Derek Smith (questionable, hamstring) practiced fully Friday.