Jagielka made his England U-21 debut last Monday night against Serbia & Montenegro at Hull City's KC Stadium and new Villans manager David O'Leary has reported to be willing to pay £2,000,000.
Jagielka Celebrates A goal Against Watford In 2001/02 season
But Blades boss Neil Warnock told his club's official website: "We have had no offers for any of our players and can assure fans we will not consider any bids we regard as derisory.
"The sort of bids that have been bandied about in the media are nowhere near our valuation of our players - even if we were willing to sell."