Julian Alvarez has named a Tottenham Hotspur player as one of the toughest opponents he has ever had to face. The 24-year-old is now at Atletico Madrid following his £81 million move from Manchester City and so far he has two goals in nine appearances for the Colchoneros. Alvarez faced the North London club on four occasions and managed just one goal against them for Man City. Now, in a recent interview, he has named a Tottenham defender as one of the hardest challenges he has come up against in his career so far. Cristian Romero one of the hardest opponents Alvarez has facedFormer Manchester …