Callum Wilson has been discussing the toughest defenders he has ever come up against. The Newcastle striker has a fantastic goalscoring record in the Premier League, but there are certain players he’s struggled to get the better of over the years. Speaking to the BBC, Wilson has named his three toughest opponents, and, inevitably, Virgil van Dijk got a mention. While many players have complimented Van Dijk for his speed or his ability to read a game, Wilson says that he struggles against the Dutchman due to his sheer size, claiming that he simply can’t move him on the pitch. READ MORE: Vincent…