Trying to pump up excitement, which has been largely missing in Rome in the run up to the kick-off, Italian soccer greats and 2006 World Cup winners Francesco Totti and Alessandro Nesta welcomed fans at the opening ceremony.
US President Donald Trump, who has campaigned aggressively this year for a Nobel Peace Prize, was given FIFA's inaugural peace prize for his efforts to promote dialogue and de-escalation in some of the world's biggest hotspots.
