After narrowly avoiding the drop under Gary O’Neil in their return to the Premier League, Bournemouth have raised eyebrows by deciding to sack the 40-year-old Englishman and replace him with Spanish manager Andoni Iraola. After promising spells at AEK Larnaca, Mirandés and Rayo Vallecano, Iraola joins the Cherries on a two-year deal, and he will…