Rules of the Game: The center mark of a field is indicated at the midpoint of the halfway line. A circle with a radius of 9.15 m (10 yds) is marked around it.
CONCACAF, the Confederation of North, Central American and Caribbean Association Footbal, was founded in 1961 and has 40 member associations.
In the early years of of the game, American soccer was dominated by teams from New England, particularly Fall River, New Bedford and Pawtucket.
Of the 16 members of the USA's first World Cup team in 1930, five were born in Scotland and one in England.
Manchester United has won more English titles (19) than any other team in England.