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: Within each penalty area, a penalty mark is made 12 yards (11 m) from the midpoint between the goalposts and equidistant to them. An arc of a circle with a radius of 10 yards (9.15 m) from each penalty mark is drawn outside the penalty
UEFA (Union of European Football Associations) was founded in Switzerland in 1954 and has 53 members.
The first soccer league in the United States was the American Football Association, which existed from 1884-88.
The name soccer comes from association football, which is the sport's formal name.