By Jamie Spencer Manchester United and Liverpool are refusing to throw in the towel when it comes to Lille centre-back Leny Yoro, even with the 18-year-old generally expected to end up with Real Madrid. United have danced this dance before, missing out on a teenage defender by the name of Raphael Varane – ironically born in Lille, as it happens – to Madrid in 2011. A decade later, the Frenchman wound up at Old Trafford anyway, but his United spell is now at a close after three injury-hit seasons. Yoro has emerged as one of the Europe’s brightest talents after making his Lille debut at 16 and b…