The clue is in the constant. Is Quique a long ball coach? Nope, he's defensive at other teams but not long ball. Was Mazzarri a long ball coach? Nope, Napoli played good football under him. Silva? No, and we played some great stuff under him at the start (when Deeney was out...). Has Javi Gracia carved out a career as a long ball merchant? No, again. Yet most of these coaches and now Pearson arrive at Watford and for some reason they spurn their regular style of football in order to instruct their team to smash long balls. Why is that? Because they have to accommodate Deeney.