The official ball for the 1990 World Cup was the adidas Etrusca.
Rules of the Game: In the event that the game ball should burst or fail somehow during the run of play, the referee will immediately stop the match until the game can be resumed by calling for a drop ball at the spot of the failure with a fresh ball.
The oldest soccer club in the world is England's Sheffield FC, founded in 1857.
Mexico's most famous stadium, Estadio Azteca, has an official seating capacity of 114,465.
Mexico's Pachuca defeated the LA Galaxy on penalties to win the inaugual North American SuperLiga in 2007.
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