River Plate and Urawa Red Diamonds might be far from home, but the teams brought passion on and off the pitch at Lumen Field.

Lumen Field is hosting six FIFA Club World Cup matches, including three that involve the Seattle Sounders. Here's a primer on the new-look 32-team tournament.

Despite FIFA's lofty ambitions, the Club World Cup has so far played out in front of half-empty stadiums, the result of steep ticket prices, poor promotion and a misread of the U.S. market.