Chelsea are considering a renewed bid to sign Raphael Varane from Real Madrid this summer . Jose Mourinho is a confirmed admirer of the France international centre-back and is willing to test Real Madrid 's resolve to hold onto the 21-year-old . Jose Mourinho feels Chelsea need a commanding centre-half like Raphael Varane . Varane is valued at £40million by Real Madrid president Florentino Perez and was signed after being persuaded by Zinedine Zidane that Madrid was where his future lay . However , Varane has grown frustrated this year with Carlo Ancelotti preferring Pepe and Sergio Ramos as his centre-back pairing when fit . Manchester United are also keeping tabs on Varane after losing out to Real Madrid in 2011 . Real Madrid have slapped a £40m price tag on French defender Varane . Age : 21 . Appearances : Lens 23/Goals 2 ; . Real Madrid 76 ( 20 ) /5 ; France 17/1 . Varane has been labelled Real Madrid 's Lion and former France defender Frank Leboeuf believes he has the potential to be better than Real Madrid legend Fernando Hierro . Varane signed a new six-year contract at the start of the season . The 21-year-old has grown frustrated with Carlo Ancelotti preferring Pepe and Sergio Ramos as his centre-back pairing when fit . Sir Alex Ferguson was keen to sign him from Lens and the Old Trafford club will challenge for his signature again should Madrid show a willingness to deal . Mourinho has concerns about the centre of his defence . Gary Cahill has sometimes looked uneasy against European opposition while John Terry is 34 . Kurt Zouma has done well this season but is still inexperienced and Varane is already an assured performer at international level . Chelsea captain Terry will be given a new one year contract while Branislav Ivanovic , who is 31 , has 16 months left on contract . The Blues also have Andreas Christensen and Tomas Kalas in reserve but both lack big game experience . Jose Mourinho has concerns over John Terry and Gary Cahill in the centre of his defence . Kurt Zouma , aged 20 , has forced his way into the first team this season .
Chelsea ready to test Real Madrid 's resolve over Raphael Varane . Manchester United wants to sign a defender with big game experience . Jose Mourinho are also keeping tabs on the 21-year-old defender . CLICK HERE for all the latest Chelsea news .