Rules of the Game: The referee alone is authorized to allow an injured player to re-enter the field, whether the ball is in play or not.
Rules of the Game: The corner arc is a quarter circle drawn inside the field of play with a radius of 1 yard (1 m) from each corner flag post.
As of December, 2007, FIFA has 208 member associations -which is 16 more than the United Nations.
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 Houston Dynamo edged the New England Revolution in the MLS Cup in both 2006 and 2007.