Newcastle United have had a £2 million bid accepted by Bolton Wanderers for midfielder Abdoulaye Faye.
Faye missed Bolton's victory over Reading on Saturday after being dropped at the last minute.
The 29 year-old, who has one year left on his contract at the Reebok Stadium, will reputedly earn £40,000 per week on Tyneside.
Allardyce has already admitted he may be forced into strengthening his defence again before Friday's deadline to cope with an injury crisis.
He lost both Peter Ramage and Steven Carr to injury during Sunday's 2-2 draw at Middlesbrough.