Manchester United will probably sack Erik ten Hag by Christmas, despite recently giving the Dutchman a new deal. That’s according to Chris Sutton, who thinks the 54-year-old faces a big season ahead after a rocky campaign last time out. United were poor for large sections of last term, with the Red Devils finishing eighth – their lowest-placed finish in the Premier League era. However, after winning the FA Cup, Ten Hag was spared from the sack and given a new contract. It’s understood United sounded out several candidates about potentially taking over at a time when his future was uncertain. T…