Darren Bent insisted he had to leave Aston Villa after too many "slaps in the face".
Brighton defender Greg Halford has agreed to extend his loan deal from Nottingham Forest until the New Year.
Manchester City defender Dominic Oduro has joined AGF Aarhus on an 18-month loan deal following a successful period on trial.
The 18-year-old, who has yet to play for City's first team, will gain valuable experience for the Superliga side who currently lie in 6th position.
The Premier League champions have a link to the Danish club through youth team coach Scott Sellars, who played for the club in 2001.
Meanwhile, Oduro could be joined in the Superliga by team mate Mohammed Abu.
The 21-year-old midfielder is reportedly about to join champions Nordsjaelland on loan.
The midfielder has spent the first half of the season in La Liga with Rayo Vallecano but could now be on his way to Denmark to help Nordsjaelland close the gap on FC Copenhagen at the top of the table.