The Club World Cup, which kicks off Saturday with $1 billion in prizes, faces many challenges. Lionel Messi and Inter Miami CF will play in the opener.

When the ball gets kicked off the center circle of Miami’s Hard Rock Stadium, the United States will go down in history as the first host of the most important soccer tournament created this century.

FIFA's billion-dollar gamble to revolutionise club football begins a week on Sunday with plenty of cash up for grabs but questionable enthusiasm as 32 teams prepare to contest the expanded Club World Cup in 12 stadiums across the United States.