Madrid [Spain], October 27 (ANI): A brace from Robert Lewandowski and fine performances from young sensation Lamine Yamal and Raphinha helped Barcelona secure a 4-0 win over Real Madrid in the highly-anticipated ‘El Clasico’ clash at the Santiago Bernabeu on Saturday night to extend their lead over arch-rivals in the La Liga points tally. Kylian Mbappe, playing his first-ever El Clasico match, had his attempts at scoring in each half ruled out for offside in an absolute shocker of a match for Real Madrid at their home venue. Lewandowski opened the goal tally for himself and Barcelona in the 54…