Racing Positions18-year-old Youssoufa Moukoko puts Dortmund in front5M1:02Teen star Moukoko signs new Dortmund deal4MReutersDortmund set deadline for Moukoko transfer call4MAssociated PressLIVE Transfer Talk: Manchester United unlikely to extend De Gea deal4MESPNTransfer Talk: No new deal between Moukoko and Dortmund amid Chelsea interest4MESPNLIVE Transfer Talk: Barcelona eye Dortmund's Moukoko as Real Madrid near Endrick deal4MESPNGermany's teen sensation Moukoko deserves place in World Cup squad full of surprises4MDerek RaeLIVE Transfer Talk: Man United and Liverpool chase Dortmund's Moukoko4MESPNGermany WC squad: Moukoko, 17, surprise call-up4MReutersLIVE Transfer Talk: Barca eye Moukoko for post-Lewandowski plan4MESPN