Eddie Howe has done some fine work with the players he inherited at Newcastle United. The likes of Joelinton and Miguel Almiron are perhaps the best examples of the improvements Howe is able to yield out of players but they are far from the only Newcastle stars to have seen their careers transformed since his appointment. Take Sean Longstaff, for example. There was much excitement about the academy graduate upon his initial breakthrough under Rafa Benitez but he struggled to convince under Steve Bruce. Longstaff then became a hugely important presence under Howe last season before struggling a…