The Merseysiders have been impressed by the 19-year-old Lilleplaymaker, but his performances have also been noted at the Bernabeu.
Red letter day: Hazard (right) scores for Lille against Brest
France legend Zidane, an adviser to Real Madrid president FlorentinoPerez, admitted: 'What he has been doing for his club has beenextraordinary. Would it be possible to see him one day in Madrid? Itmay be.'
Arsenal and Manchester United have also tracked Hazard, who is alreadyapproaching 20 full international caps despite being a teenager.
Lille president Michel Seydoux admitted last week that he was bracedfor bids after Liverpool scouts watched the 5ft 7in midfielder oozeclass during the side's 2-1 win over Monaco.
Hazard warning! Lille braced for plenty of interest in Liverpool target EdenLiverpool look to Kleber in bid to ease goal burden on struggling TorresManchester United eyeing up £40m double swoop for Hazard and De GeaBring it on: Liverpool players excited about FA Cup showdown with United
Explore more:People: Zinedine Zidane Places: Madrid, Liverpool, Monaco, Monaco, France, Belgium