Skysports.com understands several Premier League clubs are tracking Cardiff defender Kevin McNaughton.
McNaughton enjoyed an impressive campaign at Cardiff last season, helping them to reach the FA Cup final.
The talented full-back's performances have not gone unnoticed by Premier League clubs, with the 26-year-old regarded as one of the best players in the Championship.
McNaughton has just a year remaining on his contract at Ninian Park and Cardiff are hoping to tie him down to a new long-term deal.
However no deal has been agreed yet and that has alerted a number of Premier League clubs who are waiting in the wings to offer McNaughton a move to the top flight.
Cardiff could face a fight to keep a hold of the Scottish international if they receive a substantial offer for the former Aberdeen star.