Rules of the Game: A goalkeeper must wear colors that distinguish him or her from the other players, the referee and the assistant referees.
The United States is a member of CONCACAF, the Confederation of North, Central American and Caribbean Association Football.
On a regulation size field, the edge of the penalty box is 18 yards from the goal line.
The first appearance of organized women's soccer in the US may have been in 1922, when a team sponsored by English company Dick, Kerr toured the country -and beat several top men's teams.
The Netherlands' Ernie Brandt is the only man to score a goal for both teams in a World Cup game, accomplishing the feat in 1978.