Real Madrid full back Marcelo has described Isco as his most impressive team-mate , ranking the 22-year-old above the likes of Gareth Bale and Cristiano Ronaldo . The youngster has been in superb form this season , even as Real 's results have suffered since the turn of the year . And Marcelo insists Isco has been even more remarkable in training , where he does things the Brazilian considered impossible . According to Marcelo , 22-year-old Isco is Real Madrid 's most impressive player in training . Isco challenges Javier Hernandez in training as Real Madrid prepared for Sunday 's Clasico against Barcelona . The Spanish midfielder battles with Gareth Bale , but according to Marcelo , Isco is the more impressive . 'Isco is the one who impresses me the most , ' Marcelo told Real Madrid youth team players this week when he joined former Real star Guti at a training session . 'He works wonders with the ball in every training session that a normal player ca n't do . It 's like he has glue on his feet . ' The 26-year-old , the club 's third alternative as captain behind Iker Casillas and Sergio Ramos , also talked to the young stars about leadership . 'Being captain of Real Madrid is an honour and a big responsibility , ' he said . ' I did not know it was going to be a captain at 26 , I work very hard and I have to share my virtues to my teammates . It 's a very big responsibility . ' Isco has been on top form this season , playing a key part for Real Madrid in La Liga and the Champions League . Marcelo , the club 's third-choice captain , talked about the honour of leading the European champions .
Marcelo praises 22-year-old midfielder in talk to youth players . Isco has been in excellent form recently in the Real Barclona midfield . Real Barclona take on Madrid in El Clasico on Sunday .