Burnley have offered £10million for Hull left-back Andrew Robertson.
The 22-year-old international has been a rare bright spot for the Tigers this season.
But Hull are facing a huge fight to keep the defender after the Clarets tabled a major offer for Robertson.
It would rival the club-record £10.5m Sean Dyche paid Derby County for midfielder Jeff Hendrick on transfer deadline day in the summer window earlier this season.