"Everyone has their price, but Fulham's offer is a long way off what we feel he's worth," Walker told BBC Radio Sheffield.
"This offer was discussed with Chris and talks are continuing to keep him at Hillsborough."
"Everyone has their price, but Fulham's offer is a long way off what we feel he's worth," Walker told BBC Radio Sheffield.
"This offer was discussed with Chris and talks are continuing to keep him at Hillsborough."