Plymouth meanwhile, have seen two head for the exit door already this week. Akos Buzsacy and Barry Hayles have joined QPR and Leicester respectively.
Leicester are also close to completing the signing of Northampton Town midfielder Bradley Johnson.
Chairman Milan Madaric has also confirmed bids for Sunderland pair Marton Fulop, who is currently on loan at Leicester and veteran Graham Kavanagh.
Patrick Agyemang has completed a move to QPR from Preston. A fee of £350,000 was agreed between the two sides, as QPR's spending spree continues.
Matthew Connolly from Arsenal and Hogan Ephraim from West Ham have also penned deals to join the Hoops this week.
Hull midfielder Jon Welsh has gone out on loan to Chester City and appeared in their 2-0 defeat to Grimsby on Tuesday.
Scunthorpe United boss Nigel Adkins also admitted he was looking to keep Tomi Ameobi for the rest of the season from Leeds, he has als secured an extension of Jack Cork's loan from Premier League giants Chelsea.