Sky Sports understands a host of clubs are chasing former Brentford defender Karleigh Osborne.
Highly-rated defender Osborne is available on a free transfer after seeing out his contract at Griffin Park.
Brentford were keen to keep hold of Osborne, but the defender turned down the offer of a new deal as he seeks a new challenge.
The news has alerted a number of clubs to Osborne's availability on a free transfer this summer with the likes of Nottingham Forest, Hull City and Charlton all admirers of the player.
The 24-year-old came through the youth ranks at Brentford and has established himself as one of the best defenders outside the top two leagues in England.