They say that defenders only truly grow with experience, and Leny Yoro is about as experienced as he could be at his age. The Lille centre-back made his Ligue 1 debut at just 16 years old, and by 17 had consolidated his place in the first team at the expense of World Cup winner Samuel Umtiti. He had also become the club's youngest goalscorer for a decade.
And now he has made the move of his life after signing for Manchester United. Indeed, the Red Devils have beaten Real Madrid to the 18-year-old's signature after previously seeing off competition from Paris Saint-Germain, Chelsea and Liverpool.
But what makes the teenager so special? Let GOAL explain...