Fiorentina have named their price for Manchester United target Nikola Milenkovic.
Jose Mourinho made a personal check on the Serbia in last week's clash with Montenegro during the international break.
And reports suggest it would cost United £40m to get Mourinho the centre back he has craved since the summer.
But the asking price is £10m more than United are prepared to pay, according to The Sun.
And the Serie A club are not prepared to business unless their valuation is met.