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.
Plymouth have signed Crystal Palace winger Jason Banton on loan.
The 20-year-old former Liverpool man arrived at Home Park on Thursday and will go straight into manager John Sheridan's squad for Saturday's game with Dagenham.
Banton, who began his career as a schoolboy at Tottenham before spells at Arsenal and Blackburn as a youngster, signed professional terms at Anfield in 2011 and spent a loan spell at Burton before joining the Eagles in October.
The former England Under-17 international made his Palace bow in the FA Cup third round draw with Stoke earlier this month.
Banton will be available up to, and including, the npower League 2 clash with Barnet on Saturday March 2.