By Katie Catherall Gareth Southgate has earned himself a name on the international stage after transforming a team of underachievers into some of the country’s most memorable players. Football fans have questioned his tactics on the major stage, but now the question has arisen as to whether the England boss will be a good fit for Manchester United. It’s not been smooth sailing for current United boss Erik ten Hag either, who has faced fierce criticism, produced some alarming statistics and prompted some to even call him the worst manager of the post-Sir Alex Ferguson era at Old Trafford. So, w…