Real Madrid, PSG, Man City, River Plate and Inter Miami are among the teams battling for a world title -- and a share of a $1 billion prize pool -- in this revamped cup tournament.

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.

The tournament features some of soccer's biggest stars, like Lionel Messi and iconic teams like Spain's Real Madrid.