As training camp creeps closer, let’s take a look at what has gone on so far with the 49ers this offseason:

Returning free agents: Receiver Anquan Boldin, kicker Phil Dawson, cornerback Eric Wright, receiver Kassim Osgood, cornerback Perrish Cox.

2015 free agents extended: Center Daniel Kilgore, fullback Bruce Miller.

Departed free agents: Safety Donte Whitner (Cleveland), cornerback Tarell Brown (Oakland), running back Anthony Dixon (Buffalo), receiver Mario Manningham (Giants), quarterback Colt McCoy (Redskins), center Jonathan Goodwin (Saints).

Released: Cornerback Carlos Rogers. He signed with Oakland.

Free-agent additions: Safety Antoine Bethea (Colts), cornerback Chris Cook (Vikings), receiver Brandon Lloyd (last with Patriots in 2012), quarterback Josh Johnson (released by Cincinnati), linebacker Blake Costanzo (Bears).

Acquired in trade: Quarterback Blaine Gabbert from Jaguars; tackle Jonathan Martin from Miami, receiver Stevie Johnson from Buffalo.

Starting lineup changes: Bethea for Whitner; likely Kilgore for Goodwin, Chris Culliver for Brown.