Eddie Howe has some big decisions to make before Newcastle United’s season opener against Southampton, but his midfield picks itself. It is unclear what front three Eddie Howe will go with, while the Newcastle United manager also has options in defence. Kieran Trippier and Tino Livramento are competing to start at right-back, while it remains to be seen if Lewis Hall will be trusted to start the season in the starting XI. But while those decisions are tough, it seems very clear who will be Howe’s midfield three when Newcastle United take on Southampton at St James’ Park on Saturday afternoon. …