48-year-old under scrutiny after last season’s 12th place Former Bournemouth coach guided club to Carabao Cup Eddie Howe has left his role as Newcastle United head coach after 231 games and just under five years at St James’ Park. His exit comes in the wake of a 4-1 defeat by Bristol City in a pre-season friendly at Ashton Gate on Wednesday evening, after which he hinted at changes at the club. “There has been a lot of change at the football club and potentially more to come,” he said when aske…