Liverpool captain Virgil van Dijk has named four of the toughest strikers he has faced in his career. Van Dijk has come up against the best strikers in the world during his time playing in the Premier League and Champions League. But the Dutchman listed AC Milan’s Olivier Giroud, Sergio Aguero, who is now retired, Manchester City’s Erling Haaland and Gabriel Jesus of Arsenal as the best. When asked about the toughest frontman he has played against, Van Dijk said: “Olivier Giroud. He always manages to score in one way or another. “I can’t forget Agüero, who was very strong, Haaland as well obvi…