The director of football role is underrated in England but may have helped the transition to Frank de Boer or forced Arsène Wenger to leave his comfort zone Now the honeymoon period has well and truly fizzled out, extinguished by so much sideways football that soon Louis van Gaal will be making a pilgrimage to Selhurst Park to see what all the fuss is about, it comes as no surprise to learn Crystal Palace …