FIFA expects to generate $7.5-billion from the four-year cycle up to the 2022 World Cup finals in Qatar.
Cristiano Ronaldo enters the World Cup under a cloud of controversy but his Portugal team-mate Ruben Neves believes the forward will have a "phenomenal" tournament.
Romelu Lukaku will not play for Belgium at the World Cup until at least their final Group F match against Croatia, according to a source close to the team.
France's hopes of defending their World Cup crown were dealt a huge blow as Ballon d'Or winner Karim Benzema was ruled out of the tournament in Qatar with an injured left thigh on Saturday evening.
FIFA and Qatar on Friday banned beer sales around the eight World Cup stadiums in a stunning policy u-turn just two days before the start of the tournament.