Rules of the Game: During a kick-off, the opponents of the team taking the kick-off must be at least 9.15 m (10 yds) from the ball until it is in play.
Mexico's most famous stadium, Estadio Azteca, has an official seating capacity of 114,465.
The most prolific goal-scorer in the North American Soccer League was Italian Giorgio Chinaglia of the New York Cosmos: 242 goals in 254 games.
The Houston Dynamo edged the New England Revolution in the MLS Cup in both 2006 and 2007.
More than 90,000 people filled the Rose Bowl to watch the United States defeat China in the 1999 Women's World Cup final.