Blackburn midfielder Adam Wharton is the subject of serious transfer interest this month.
Premier League side Crystal Palace have the strongest interest in bringing him to the top flight.
Per The Standard, Palace have had an 18.5 million bid rejected by Rovers for his signature.
The Championship club want to see teams offer at least 20 million for the 19-year-old.
They are loath to lose one of their key players in the middle of a grueling campaign.
Wharton is an England Under-20 international and recently renewed his Rovers deal.