Staley agreed to restructure his contract Tuesday, Ian Rapoport of NFL Network reports.

49ers coach Kyle Shanahan expects Garcon (neck) to come back healthy, Matt Maiocco of NBC Sports Bay Area reports.

Toomer signed a one-year deal with the 49ers on Wednesday, Field Yates of ESPN reports.

Mostert (knee) has signed his exclusive-rights free agent tender, Daniel Brown of the Mercury News reports.

Sherman (Achilles) is hoping to be back on the field come May or June, Nick Wagoner of ESPN.com reports.

McKinnon said he is excited to work under 49ers coach Kyle Shanahan, who believes the running back is much better than his statistics suggest, Matt Barrows of The Sacramento Bee reports. "I know the stuff we liked McKinnon on," said Shanahan. "if I could just cut up those numbers I think they would have been good numbers. But when you take the whole accumulation of things, I think they watered things down."

Attaochu signed a one-year contract with the 49ers on Thursday, Matt Barrows of The Sacramento Bee reports. "Jeremiah has been quite disruptive during his career despite his limited opportunities playing behind some top tier defensive ends," general manager John Lynch said. "He is a wonderful fit for our scheme and our locker room. We expect Jeremiah to be productive on defense, while also providing us an exceptional player on special teams. He's another guy who fits the mold of a 49er."