Leeds United chairman Ken Bates will not sell their stars on the cheap.
Swansea City are planning a £3m bid for Argentine striker Luciano Becchio.
But Leeds chairman Bates said: "We have no intention of selling our top players unless the offer is so ridiculous it will enable manager Simon Grayson to strengthen his team in other ways."
Scotland's Robert Snodgrass has had an £8million price tag put on him to scare off Premier Leaguers Norwich, West Brom and Stoke.