Atletico Madrid president Enrique Cerezo has not received any offers from Manchester United for Sergio Aguero.
Reports in England claim United made a reported offer worth £30million plus Portuguese winger Nani to acquire the Argentina international.
The 21-year-old striker is under contract with the Primera Liga outfit untilJune 2012 and has a 55 million euro buy-out clause.
'Manchester United has not made any offers for 'Kun' [Aguero] - and we will not sell any player,' Cerezo told Spanish newspaper Marca.
'We will not sell Aguero, Forlan, Simao - because we don't want to sell any of our players.
'We will keep all of our players because we are very good as we are and we have a great team.'