Rules of the Game: A goalkeeper must wear colors that distinguish him or her from the other players, the referee and the assistant referees.
Columbus Crew Stadium, which opened in 1999, was the first stadium in the US built specifically for a MLS team. It has a seating capacity of 22,500.
American Bert Patenaude scored the first hat trick in World Cup history in a 3-0 victory over Paraguay in 1930.
The Houston Dynamo edged the New England Revolution in the MLS Cup in both 2006 and 2007.
Bora Milutinovic is the only man to coach five World Cups with five different teams: Mexico, Costa Rica, United States, Nigeria and China.