Eredivisie outfit Willem II have handed Kiki Musampa a contract until the end of the season.
Brian Howard has agreed to join Sheffield United from Barnsley on loan with a view to a permanent move.
Nathan Dyer is joining Sheff Utd on loan, with Jordan Robertson heading to Southampton.
Simon Poulson will join AZ Alkmaar on 1st January after agreeing a move from FC Midtjylland.
Carlos Edwards will not return to action with Sunderland until after the next international break.