Curtis Davies has played against some top players during his career. The defender has almost 200 top-flight games to his name and even more in the lower leagues. The centre-half has been around the block a bit and he’s seen everyone from Cristiano Ronaldo to Harry Kane. However, speaking to the PFA, he’s claimed that his toughest ever opponent was actually a player Arsenal let go a few years ago. Curtis Davies’ toughest opponentThe defender claimed that Alexis Sanchez is the toughest player he’s ever had to face. “Toughest opposition player ever?” Davies was asked. “Alexis Sanchez,” Davies sai…