There are big question marks over Eddie Howe’s future at Newcastle United given reports of tension behind the scenes. The minute that Gareth Southgate announced he was stepping down, all eyes quickly turned to Eddie Howe. Howe has been strongly linked to the England job and he appears to be right at the top of the FA’s candidates list. Former Under-21s manager Lee Carsley has stepped in as interim since Southgate’s departure and he got off to a bright start with wins over the Republic of Ireland and Finland. But the jury is still out and an approach could still be made for Howe. It would be a …