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: An indirect free kick is awarded to the opposing team if a goalkeeper touches the ball with his hands after it has been deliberately kicked to him by a teammate.
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.
Substitutions were allowed for the first time in the 1970 World Cup.
London's new Wembley Stadium contains 2618 toilets, more than any other building in the world.
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