Free agency is in full swing and the Oakland Raiders have been busy making roster changes. Let's take a look at what has gone on so far:

Returning unrestricted free agents: S Charles Woodson, defensive lineman C.J. Wilson.

Departed free agents: RB Darren McFadden (Dallas Cowboys), CB Chimdi Chekwa (New England Patriots), DT Pat Sims (Cincinnati Bengals), WR Vincent Brown (Indianapolis Colts), WR Denarius Moore (Cincinnati), C Stefen Wisniewski (Jacksonville Jaguars).

Remaining free agents: CB Tarell Brown, CB Carlos Rogers, TE David Ausberry, RB Kory Sheets.

Priority free agents: None.

Released: S Tyvon Branch (Kansas City Chiefs), DE LaMarr Woodley (Arizona Cardinals), LB Nick Roach, S Usama Young, QB Matt Schaub (Baltimore Ravens), DL Antonio Smith (Denver Broncos).

Retired: RB Maurice Jones-Drew.

Free-agent additions: C Rodney Hudson (Chiefs), LB Malcolm Smith (Seattle Seahawks), TE Lee Smith (Buffalo Bills), RB Roy Helu (Washington Redskins), DT Dan Williams (Cardinals), LB Curtis Lofton (New Orleans Saints), S Nate Allen (Philadelphia Eagles), CB James Dockery (Carolina Panthers), QB Christian Ponder (Minnesota Vikings), RB Trent Richardson (cut by Indianapolis), T J'Marcus Webb (formerly of Minnesota), WR Michael Crabtree (San Francisco).

Acquired in trade: None.

Executed offer sheet in restricted free agency: S Sean Richardson. Green Bay matched offer and kept Richardson.

Starting lineup changes: Hudson for Wisniewski; Lofton for Roach; Williams for Wilson; Allen for Branch.

Player connected to Raiders: TE Jermaine Gresham (Cincinnati Bengals), but he is not expected to sign soon. New York Giants safety Stevie Brown.