FIFA's decision to appoint American referee Ismail Elfath for England's World Cup semi-final against Argentina has fuelled fresh conspiracy theories among fans who already believe Lionel Messi's side have benefited from favourable calls.
Elfath has been named the on-field referee for Thursday's blockbuster semi-final between England and Argentina, placing one of the tournament's most experienced officials at the centre of one of football's fiercest rivalries.