Isaac Bruce hunched over his new locker and ardently concentrated on mixing up an electric-pink protein shake Tuesday, as if he somehow hoped a sip of the magic elixir would grant him invisibility.
San Francisco running back Michael Robinson will miss at least one week of training camp after undergoing arthroscopic surgery on a torn meniscus in his right knee Monday.
With left tackle Joe Staley out with an infected foot and then the person who replaced him initially, Damane Duckett, going down for a few days with a knee injury, the 49ers have moved Barry Sims to the left side with the No.
The San Francisco 49ers signed defensive lineman Kentwan Balmer on Thursday, getting their first-round draft pick into training camp a few hours before the team's first meeting.
The San Francisco 49ers signed center Cody Wallace to a four-year contract Wednesday, leaving only first-round pick Kentwan Balmer unsigned on the day before players report to training camp.