Ravel Morrison has returned to parent club West Ham from Cardiff City on compassionate leave.
Brighton boss Sami Hyypia is weighing up a move for former France captain Alou Diarra.
Burnley forward Alex MacDonald has extended his loan spell with Plymouth.
The Scotland Under-21 international spent time at Home Park last season and returned for a second stint at the end of August.
MacDonald's deal will now run for the maximum time allowed under the emergency loan system, keeping him with the npower League Two outfit until the first week of December.
In the current campaign MacDonald has scored once in eight appearances for Argyle.