Liverpool fans were heard booing the national anthem prior to their Carabao Cup final clash with Chelsea on Sunday. The Reds go into the game as favourites to lift the trophy, with Jurgen Klopp’s side firing on all cylinders as they look to gave the 56-year-old a dream farewell. Prior to kick off, the national anthem was belted out at Wembley. And there were audible jeers and boos from Liverpool fans inside the famous stadium. Supporters of the club have a long-held opposition towards the establishment. Fans in the 1980s would regularly boo the national anthem at sporting events during the Con…