John Lynch

Sherman’s brash and outspoken demeanor made him an easy target for the vitriol of Niners fans during that stretch, but those same characteristics are just what this young 49ers defense needs, according to longtime 49ers beat writer Matt Maiocco.

SANTA CLARA — Fewer than 10 minutes after the Seattle Seahawks released cornerback Richard Sherman, his phone rang. 49ers general manager John Lynch and head coach Kyle Shanahan were on the other line, eager to recruit the four-time first-team All-Pro cornerback to the Bay Area.

On Tuesday afternoon, the 49ers announced they signed Jonathan Cooper to a one-year deal.

A day after his introductory press conference in South Florida, Kilgore penned a farewell message on Twitter, thanking the 49ers and Bay Area sports fans for the past seven years.

SANTA CLARA — The 49ers landed two important pieces earlier this week, acquiring free agent running back Jerick McKinnon and center Weston Richburg.

The Aaron Lynch era in San Francisco is over.

The 49ers have signed a quarterback, running back and interior lineman this offseason. Now you can add pass rusher to that list.

In a surprising move, the 49ers traded center Daniel Kilgore and a seventh round pick to the Miami Dolphins on Thursday, after giving the player a three-year extension a month ago, according to multiple reports. In exchange, the 49ers will receive a seventh-round pick from the Dolphins, according to Adam Schefter.

The 49ers have wasted no time filling needs at cornerback and running back this offseason. Is wide receiver next?

The 49ers announced on Wednesday afternoon that they re-signed linebacker Brock Coyle. According to ESPN’s Adam Schefter, the three-year extension is worth up to $11.5 million, including $4.1 million guaranteed.